<SEC-DOCUMENT>0001587732-26-000035.txt : 20260805
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<ACCEPTANCE-DATETIME>20260805162439
ACCESSION NUMBER:		0001587732-26-000035
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		63
CONFORMED PERIOD OF REPORT:	20260630
FILED AS OF DATE:		20260805
DATE AS OF CHANGE:		20260805

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ONE Gas, Inc.
		CENTRAL INDEX KEY:			0001587732
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				463561936
		STATE OF INCORPORATION:			OK
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36108
		FILM NUMBER:		261244005

	BUSINESS ADDRESS:	
		STREET 1:		15 EAST FIFTH STREET
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
		BUSINESS PHONE:		918-947-7000

	MAIL ADDRESS:	
		STREET 1:		15 EAST FIFTH STREET
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>ogs-20260630.htm
<DESCRIPTION>10-Q
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Employer Identification No.)</span></td></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"/></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityAddressAddressLine1" id="f-9">15 East Fifth Street</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityAddressCityOrTown" id="f-10">Tulsa,</ix:nonNumeric></span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span 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Code)</span></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Registrant&#8217;s telephone number, including area code&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:CityAreaCode" id="f-13">(918)</ix:nonNumeric> <ix:nonNumeric contextRef="c-1" name="dei:LocalPhoneNumber" id="f-14">947-7000</ix:nonNumeric> </span></div><div style="margin-top:6pt;text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:120%">Securities registered pursuant to Section 12(b) of the Act:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.896%"><tr><td style="width:1.0%"/><td style="width:35.370%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.741%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.223%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:1.988%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:40.078%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Title of each class</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Trading Symbol</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Name of each exchange on which registered</span></td></tr><tr style="height:14pt"><td colspan="3" rowspan="2" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:Security12bTitle" id="f-15">Common Stock, par value $0.01 per share</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" rowspan="2" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:TradingSymbol" id="f-16">OGS</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen" id="f-17">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">NYSE Texas</span></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.&#160;&#160;   <ix:nonNumeric contextRef="c-1" name="dei:EntityCurrentReportingStatus" id="f-18">Yes</ix:nonNumeric>  </span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#9746;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">     No  &#9744;</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (&#167; 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).&#160;    <ix:nonNumeric contextRef="c-1" name="dei:EntityInteractiveDataCurrent" id="f-19">Yes</ix:nonNumeric>  </span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#9746;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">     No  &#9744;</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:57.240%"><tr><td style="width:1.0%"/><td style="width:26.584%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:3.434%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:62.145%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:3.437%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityFilerCategory" format="ixt-sec:entityfilercategoryen" id="f-20">Large accelerated filer</ix:nonNumeric></span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9746;</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accelerated filer</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#9744;</span></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Non-accelerated filer</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#9744;</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Smaller reporting company</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntitySmallBusiness" format="ixt-sec:boolballotbox" id="f-21">&#9744;</ix:nonNumeric></span></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Emerging growth company</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox" id="f-22">&#9744;</ix:nonNumeric></span></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     &#9744;</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes &#160;<ix:nonNumeric contextRef="c-1" name="dei:EntityShellCompany" format="ixt-sec:boolballotbox" id="f-23">&#9744;</ix:nonNumeric>&#160;&#160;&#160;&#160;&#160;&#160;No&#160;&#160;</span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#9746;</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">On July&#160;24, 2026, the Company had <ix:nonFraction unitRef="shares" contextRef="c-2" decimals="INF" name="dei:EntityCommonStockSharesOutstanding" format="ixt:num-dot-decimal" scale="0" id="f-24">62,856,270</ix:nonFraction> shares of common stock outstanding.</span></div><div style="text-align:center"><span><br/></span></div><div style="height:27pt;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',serif;font-size:10pt;font-weight:400;line-height:120%">1</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_19"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span><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 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 style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">This page intentionally left blank.</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 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 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="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',serif;font-size:10pt;font-weight:400;line-height:120%">2</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_22"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ONE Gas, Inc.</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"> TABLE OF CONTENTS</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:12.350%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:76.531%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.819%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Part I.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_268">Financial Information</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Page No.</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 1.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Consolidated <a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_271">Financial Statements (Unaudited)</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_271">6</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_277">Consolidated Statements of Income</a> - Three and Six Months Ended June&#160;30, 2026 and 2025</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_277">6</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_280">Consolidated Statements of Comprehensive Income</a> - Three and Six Months Ended June&#160;30, 2026 and 2025</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_280">7</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_283">Consolidated Balance Sheets</a> - June&#160;30, 2026 and December 31, 2025</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_283">8</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_286">Consolidated Statements of Cash Flows</a> - Six Months Ended June 30, 2026 and 2025</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_286">10</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_292">Consolidated Statements of Equity</a> - Three and Six Months Ended June&#160;30, 2026 and 2025</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_289">11</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_295">Notes to Consolidated Financial Statements</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_295">12</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 2.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_79">Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_79">26</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 3.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_259">Quantitative and Qualitative Disclosures About Market Risk</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_259">38</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 4.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_589">Controls and Procedures</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_589">38</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Part II.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_592">Other Information</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_592">38</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 1.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_595">Legal Proceedings</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_595">38</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 1A.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_598">Risk Factors</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_598">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 2.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_601">Unregistered Sales of Equity Securities and Use of Proceeds</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_601">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 3.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_604">Defaults Upon Senior Securities</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_604">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 4.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_607">Mine Safety Disclosures</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_607">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 5.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_610">Other Information</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_610">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Item 6.</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_613">Exhibits</a></span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_613">39</a></span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Signature</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_622">41</a></span></div></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">As used in this Quarterly Report, references to &#8220;we,&#8221; &#8220;our,&#8221; &#8220;us,&#8221; or the &#8220;Company&#8221; refer to ONE Gas, Inc., an Oklahoma corporation, and its predecessors and subsidiaries, unless the context indicates otherwise.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">The statements in this Quarterly Report that are not historical information, including statements concerning plans and objectives of management for future operations, economic performance or related assumptions, are forward-looking statements. Forward-looking statements may include words such as &#8220;will,&#8221; &#8220;anticipate,&#8221; &#8220;estimate,&#8221; &#8220;expect,&#8221; &#8220;project,&#8221; &#8220;intend,&#8221; &#8220;plan,&#8221; &#8220;believe,&#8221; &#8220;should,&#8221; &#8220;goal,&#8221; &#8220;forecast,&#8221; &#8220;guidance,&#8221; &#8220;could,&#8221; &#8220;may,&#8221; &#8220;continue,&#8221; &#8220;might,&#8221; &#8220;potential,&#8221; &#8220;scheduled,&#8221; &#8220;likely,&#8221; and other words and terms of similar meaning. Although we believe that our expectations regarding future events are based on reasonable assumptions, we can give no assurance that such expectations and assumptions will be achieved. Important factors that could cause actual results to differ materially from those in the forward-looking statements are described under Part I, Item 2, Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations, &#8220;Forward-Looking Statements,&#8221; and Part II, Item 1A, &#8220;Risk Factors&#8221; in this Quarterly Report and under Part I, Item 1A, &#8220;Risk Factors,&#8221; in our Annual Report.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">3</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_25"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">AVAILABLE INFORMATION</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We make available, free of charge, on our website (www.onegas.com) our Annual Reports, Quarterly Reports, Current Reports on Form 8-K, amendments to those reports filed or furnished to the SEC pursuant to Section 13(a) or 15(d) of the Exchange Act and reports of holdings of our securities filed by our officers and directors under Section 16 of the Exchange Act. Such materials are available as soon as reasonably practicable after filing such material electronically or otherwise furnishing it to the SEC, which also makes these materials available on its website (www.sec.gov). Our Code of Business Conduct and Ethics, Corporate Governance Guidelines, Certificate of Incorporation, by-laws, the written charters of our Audit Committee, Executive Compensation Committee, and Corporate Governance Committee, and our Sustainability Report are also available on our website, and copies of these documents are available upon request.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In addition to filings with the SEC and materials posted on our website, we also use social media platforms as channels of information distribution to reach investors and other stakeholders. Information contained on our website and posted on or disseminated through our social media accounts is not incorporated by reference into this report.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">4</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_28"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:96.198%"><tr><td style="width:1.0%"/><td style="width:27.623%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:70.177%"/><td style="width:0.1%"/></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">GLOSSARY - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">The abbreviations, acronyms and industry terminology used in this Quarterly Report are defined as follows:</span></div></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">AAO</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Authority Order</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ADIT</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated deferred income taxes</span></td></tr><tr><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"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Annual Report</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Annual Report on Form 10-K for the year ended December 31, 2025</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ASC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Standards Codification</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ASU</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Standards Update</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">At-the-market equity program</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ONE Gas&#8217; equity distribution agreement, under which we may issue and sell shares of our common stock, having an aggregate offering price up to $225 million</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Bcf</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Billion cubic feet</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">bps</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Basis points</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">CAA</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Federal Clean Air Act, as amended</span></td></tr><tr><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"/></tr><tr><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"/></tr><tr><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"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">CODM</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Chief operating decision maker</span></td></tr><tr><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"/></tr><tr><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"/></tr><tr><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"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">EDIT</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Excess deferred income taxes resulting from a change in enacted tax rates</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">EPS</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Earnings per share</span></td></tr><tr><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"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Exchange Act</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securities Exchange Act of 1934, as amended</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">FASB</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Financial Accounting Standards Board</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">GAAP</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounting principles generally accepted in the United States of America</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">GRIP</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Gas Reliability Infrastructure Program</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">GSRS</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Gas System Reliability Surcharge</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">HDD</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Heating degree day is a measure designed to reflect the demand for energy needed for heating based on the extent to which the daily average temperature falls below a reference temperature for which no heating is required, usually 65 degrees Fahrenheit</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">IRS</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">United States Internal Revenue Service</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">IT</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Information Technology</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">KCC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Corporation Commission</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">KDHE</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Department of Health and Environment</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">KGSS-I</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Gas Service Securitization I, L.L.C.</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Manufactured gas plant</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MMcf</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Million cubic feet</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s Investors Service, Inc.</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">NPRM</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Notice of proposed rulemaking</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">NYSE</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">New York Stock Exchange</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">NYSE Texas</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">NYSE Texas, Inc.</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">OCC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Oklahoma Corporation Commission</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ONE Gas</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ONE Gas, Inc.</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ONE Gas Credit Agreement</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">ONE Gas&#8217; $1.5 billion revolving credit agreement, amended and restated on October 30, 2025</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">PBRC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Performance-Based Rate Change</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">PHMSA</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">United States Department of Transportation Pipeline and Hazardous Materials Safety Administration</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">PIPES Act</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Protecting Our Infrastructure of Pipelines and Enhancing Safety (PIPES) Act of 2020</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Quarterly Report(s)</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Quarterly Report(s) on Form 10-Q</span></td></tr><tr><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"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">RRC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Railroad Commission of Texas</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Standard &amp; Poor&#8217;s Ratings Services</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">SEC</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securities and Exchange Commission</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">SOFR</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Secured Overnight Financing Rate</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securities Act</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securities Act of 1933, as amended</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitized Utility Tariff Bonds</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Series 2022-A Senior Secured Securitized Utility Tariff Bonds, Tranche A</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Senior Notes</span></td><td colspan="3" style="padding:1.5pt 1pt 1.5pt 5.5pt;text-align:left;text-indent:-4.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">ONE Gas&#8217; registered unsecured notes consisting of $550 million of 5.10 percent senior notes due April 2029, $300 million of 2.00 percent senior notes due May 2030, $300 million of 4.25 percent senior notes due September 2032, $600 million of 4.658 percent senior notes due February 2044, and $400 million of 4.50 percent senior notes due November 2048</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">TCEQ</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%">Texas Commission on Environmental Quality</span></td></tr><tr><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"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Term SOFR</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">The SOFR for a specific loan term</span></td></tr><tr><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"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">WNA</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Weather normalization adjustment(s)</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">XBRL</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">eXtensible Business Reporting Language</span></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">5</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_268"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">PART I - FINANCIAL INFORMATION</span></div><div id="i94c0cebfef024ece8e79580079334c43_271"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1.  CONSOLIDATED FINANCIAL STATEMENTS</span></div><div style="padding-left:72pt;text-indent:-72pt"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_277"></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.777%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.969%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.601%"/><td style="width:0.1%"/><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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED STATEMENTS OF INCOME</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><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="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended<br/>June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended<br/>June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Unaudited)</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars, except per share amounts)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total revenues</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:RegulatedOperatingRevenue" format="ixt:num-dot-decimal" scale="3" id="f-30">411,639</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" name="us-gaap:RegulatedOperatingRevenue" format="ixt:num-dot-decimal" scale="3" id="f-31">423,741</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:RegulatedOperatingRevenue" format="ixt:num-dot-decimal" scale="3" id="f-32">1,243,350</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:RegulatedOperatingRevenue" format="ixt:num-dot-decimal" scale="3" id="f-33">1,358,931</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" 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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Cost of natural gas</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="f-34">90,287</ix:nonFraction></span><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" 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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span 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taxes</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="f-70">9,982</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" 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style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-3" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="f-78">0.74</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span 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id="f-80">2.79</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-5" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="f-81">2.52</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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id="f-82">0.74</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-4" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="f-83">0.53</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-5" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="f-89">60,095</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Diluted</span></td><td colspan="2" 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style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-5" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="f-93">60,361</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt 0 7.75pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-3" decimals="2" name="us-gaap:CommonStockDividendsPerShareDeclared" scale="0" id="f-94">0.68</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-5" decimals="2" name="us-gaap:CommonStockDividendsPerShareDeclared" scale="0" id="f-97">1.34</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 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"/></tr></table><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">See accompanying Notes to Consolidated Financial Statements.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">6</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_280"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"/><td style="width:54.782%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.635%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.388%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.635%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.635%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.388%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.637%"/><td style="width:0.1%"/><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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><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="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="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Unaudited)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid 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0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" id="f-104">1</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" id="f-105">1</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net unrealized holding gain (loss) on available-for-sale securities, net of tax of $<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" scale="3" id="f-106">22</ix:nonFraction>, $(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" sign="-" 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name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" scale="3" id="f-112">268</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" scale="3" id="f-113">171</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total other comprehensive income (loss), net of tax</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="f-114">86</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt 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1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="f-117">170</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Comprehensive income</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="f-118">46,722</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="f-119">32,079</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="f-120">175,212</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="f-121">151,622</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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"/></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">See accompanying Notes to Consolidated Financial Statements.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">7</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_283"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"/><td style="width:72.282%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.841%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.535%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.842%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED BALANCE SHEETS</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Unaudited)</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets</span></td><td colspan="9" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Property, plant and equipment</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="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Property, plant and equipment</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService" format="ixt:num-dot-decimal" scale="3" id="f-122">9,998,502</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService" format="ixt:num-dot-decimal" scale="3" id="f-123">9,734,150</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated depreciation and amortization</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" format="ixt:num-dot-decimal" scale="3" id="f-124">2,678,316</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" 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style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.561%"><tr><td style="width:1.0%"/><td style="width:72.321%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.822%"/><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:11.823%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED BALANCE SHEETS</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(Continued)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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format="ixt:num-dot-decimal" scale="3" id="f-204">77,911</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:OtherLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="f-205">106,400</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total current liabilities</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="f-206">1,376,455</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="f-207">1,531,858</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Deferred credits and other liabilities</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Deferred income taxes</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" format="ixt:num-dot-decimal" scale="3" id="f-208">1,012,944</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" format="ixt:num-dot-decimal" scale="3" id="f-209">963,874</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-210">433,135</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 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style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:OtherLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-212">110,980</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:OtherLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-213">109,571</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-214">1,557,059</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-215">1,525,065</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Commitments and contingencies</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total liabilities and equity</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LiabilitiesAndStockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="f-216">8,812,203</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:LiabilitiesAndStockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="f-217">8,853,084</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">See accompanying Notes to Consolidated Financial Statements.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">9</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_286"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:76.092%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.011%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.013%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="12" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED STATEMENTS OF CASH FLOWS</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended<br/>June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Unaudited)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Operating activities</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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 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0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:ProvisionForDoubtfulAccounts" format="ixt:num-dot-decimal" scale="3" id="f-227">4,085</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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"/></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"/></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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Changes in assets and liabilities:</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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounts receivable</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInReceivables" format="ixt:num-dot-decimal" scale="3" id="f-228">205,744</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Asset removal costs</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" sign="-" name="ogs:IncreaseDecreaseAssetRemovalCosts" format="ixt:num-dot-decimal" scale="3" id="f-236">27,861</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" 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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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other assets and liabilities - current</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" format="ixt:num-dot-decimal" scale="3" 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Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:RepaymentsOfOtherLongTermDebt" scale="3" id="f-266">7</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:RepaymentsOfOtherLongTermDebt" scale="3" id="f-267">8</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Repayment of securitized utility tariff bonds</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="ogs:RepaymentsOfSecuritizedUtilityTariffBonds" format="ixt:num-dot-decimal" scale="3" id="f-268">15,356</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span 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style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Tax withholdings related to net share settlements of stock compensation</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="f-272">4,161</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td 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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:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Cash paid (received) for state income taxes</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:IncomeTaxPaidStateAndLocalAfterRefundReceived" format="ixt:num-dot-decimal" scale="3" id="f-286">1,150</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:IncomeTaxPaidStateAndLocalAfterRefundReceived" scale="3" id="f-287">715</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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"/></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"/></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"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Cash paid (received) 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style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:IncomeTaxPaidFederalAfterRefundReceived" format="ixt:num-dot-decimal" scale="3" id="f-289">7,013</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 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"/></tr></table><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">See accompanying Notes to Consolidated Financial Statements.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">10</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_289"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:33.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.619%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.575%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">ONE Gas, Inc.</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">CONSOLIDATED STATEMENTS OF EQUITY</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Unaudited)</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Common Stock Issued</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Common Stock</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Paid-in Capital</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Retained Earnings</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Accumulated Other Comprehensive Income/(Loss)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total Equity</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2026</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-52" decimals="-3" name="us-gaap:StockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="f-423">879,866</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-53" decimals="-3" name="us-gaap:StockholdersEquity" scale="3" id="f-424">44</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-9" decimals="-3" name="us-gaap:StockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="f-425">3,184,335</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">See accompanying Notes to Consolidated Financial Statements.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">11</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_295"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ONE Gas, Inc.</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">NOTES TO CONSOLIDATED FINANCIAL STATEMENTS</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_298"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">1.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:SignificantAccountingPoliciesTextBlock" id="f-426" continuedAt="f-426-1" escape="true">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_304"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:BasisOfAccountingPolicyPolicyTextBlock" id="f-427" escape="true"><ix:continuation id="f-426-1" continuedAt="f-426-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Basis of Presentation</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Our accompanying unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC. These statements also have been prepared in accordance with GAAP and reflect all adjustments that, in our opinion, are necessary for a fair statement of the results for the interim periods presented. All such adjustments are of a normal recurring nature. The 2025 year-end consolidated balance sheet data was derived from audited consolidated financial statements but does not include all disclosures required by GAAP. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and footnotes in our Annual Report. Our significant accounting policies are described in Note 1 of our Notes to Consolidated Financial Statements in our Annual Report. The preparation of these financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts and disclosures in the financial statements. Although management believes these estimates are reasonable, actual results could differ materially from these estimates. Due to the seasonal nature of our business, the results of operations for the six months ended June&#160;30, 2026, are not necessarily indicative of the results that may be expected for a 12-month period.</span></div></ix:continuation></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_307"></div><ix:continuation id="f-426-2" continuedAt="f-426-3"><div style="text-align:justify"><ix:nonNumeric contextRef="c-1" name="us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" id="f-428" continuedAt="f-428-1" escape="true"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Organization and Nature of Operations</span></ix:nonNumeric><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"><ix:continuation id="f-428-1">&#160;-&#160;We provide natural gas distribution services to approximately <ix:nonFraction unitRef="customers" contextRef="c-6" decimals="0" name="ogs:NumberOfNaturalGasDistributionServicesCustomers" format="ixt:num-dot-decimal" scale="6" id="f-429">2.3</ix:nonFraction>&#160;million customers in Oklahoma, Kansas, and Texas through our three divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. We primarily serve residential, commercial, and transportation customers in all three states.</ix:continuation> </span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_313"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:SegmentReportingPolicyPolicyTextBlock" id="f-430" escape="true"><ix:continuation id="f-426-3" continuedAt="f-426-4"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Segments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We operate in one reportable business segment: regulated public utilities that deliver natural gas primarily to residential, commercial, and transportation customers. Our CODM assesses our reportable segment&#8217;s financial performance by net income and other measures. We define reportable business segments as components of an organization for which discrete financial information is available and operating results are evaluated on a regular basis by the CODM in order to assess performance and allocate resources. Our CODM is our Chief Executive Officer. Characteristics relied upon in making the determination of one reportable segment for our organization include the similar nature of services we provide, the functional alignment of our organizational structure, and the reports that are regularly reviewed by the CODM for the purpose of assessing performance and allocating resources. Our management is functionally aligned and centralized, with performance evaluated based upon results of the entire distribution business. Capital allocation decisions are driven by asset integrity management, operating efficiency, growth opportunities, and government-requested pipeline relocations, not geographic location or regulatory jurisdiction.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our accounting policies are the same as those described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. For the three and six months ended June 30, 2026, and 2025, we had <ix:nonNumeric contextRef="c-5" name="us-gaap:SegmentReportingDisclosureOfMajorCustomers" id="f-431"><ix:nonNumeric contextRef="c-1" name="us-gaap:SegmentReportingDisclosureOfMajorCustomers" id="f-432"><ix:nonNumeric contextRef="c-4" name="us-gaap:SegmentReportingDisclosureOfMajorCustomers" id="f-433"><ix:nonNumeric contextRef="c-3" name="us-gaap:SegmentReportingDisclosureOfMajorCustomers" id="f-434">no</ix:nonNumeric></ix:nonNumeric></ix:nonNumeric></ix:nonNumeric> single external customer from which we received 10 percent or more of our gross revenues.</span></div></ix:continuation></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_331"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:PropertyPlantAndEquipmentPolicyTextBlock" id="f-435" escape="true"><ix:continuation id="f-426-4" continuedAt="f-426-5"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Property, Plant and Equipment and Asset Removal Costs -</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Accounts payable for construction work in progress and asset removal costs decreased by approximately $<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" scale="6" id="f-436">2.8</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" scale="6" id="f-437">9.1</ix:nonFraction>&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively. Invoices for capital expenditures or asset removal costs are included in our consolidated statements of cash flows when paid.</span></div></ix:continuation></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_334"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:TradeAndOtherAccountsReceivablePolicy" id="f-438" escape="true"><ix:continuation id="f-426-5" continuedAt="f-426-6"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounts Receivable, Net</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Accounts receivable represent valid claims against nonaffiliated customers for natural gas sold or services rendered. We assess the creditworthiness of our customers. Those customers who do not meet minimum standards may be required to provide security, including deposits and other forms of collateral, when appropriate and allowed by our tariffs. With approximately <ix:nonFraction unitRef="customers" contextRef="c-6" decimals="0" name="ogs:NumberOfNaturalGasDistributionServicesCustomers" format="ixt:num-dot-decimal" scale="6" id="f-439">2.3</ix:nonFraction>&#160;million customers across three states, we are not exposed materially to a concentration of credit risk. We maintain an allowance for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends, consideration of the current environment, and other information. We recover natural gas costs related to accounts written off when they are deemed uncollectible through the purchased-gas cost adjustment mechanisms in each of our jurisdictions. At June&#160;30, 2026 and December 31, 2025, our allowance for doubtful accounts was $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" scale="6" id="f-440">13.0</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" scale="6" id="f-441">12.7</ix:nonFraction>&#160;million, respectively.</span></div></ix:continuation></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_382"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock" id="f-442" continuedAt="f-442-1" escape="true"><ix:continuation id="f-426-6" continuedAt="f-426-7"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards Update</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;- In September 2025, the FASB issued ASU-2025-06, "Intangibles&#8212;Goodwill and Other&#8212;Internal-Use Software (Subtopic 350-40)." The amendments in this standard address requests from stakeholders to better align the guidance for capitalization of internal-use software costs with how software is developed. This ASU removes all references to the software developmental stages so that the guidance is neutral to different software development methods. The amendments in this update are effective for all entities for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div></ix:continuation></ix:nonNumeric><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',serif;font-size:10pt;font-weight:400;line-height:120%">12</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span><br/></span></div><ix:continuation id="f-442-1"><ix:continuation id="f-426-7"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In November 2024, the FASB issued ASU-2024-03, &#8220;Disaggregation of Income Statement Expenses (Subtopic 220-40).&#8221; The amendments in this standard address requests from investors for more detailed information about the types of expenses commonly presented in income statements and will require a footnote disclosure to disaggregate, in a tabular presentation, each relevant expense category on the face of the income statement that includes any of the following natural expenses: purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depreciation, depletion, and amortization recognized as part of oil- and gas-producing activities or other types of depletion expenses. The amendments in this update are effective for annual periods beginning after December 15, 2026 and interim periods within annual periods beginning after December 15, 2027. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div></ix:continuation></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_388"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">2.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:RevenueFromContractWithCustomerTextBlock" id="f-443" continuedAt="f-443-1" escape="true">REVENUE</ix:nonNumeric></span></div><div><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" id="f-444" escape="true"><ix:continuation id="f-443-1" continuedAt="f-443-2"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth our revenues disaggregated by source for the periods indicated:</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.245%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><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:11.765%"/><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:11.765%"/><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:11.770%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><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="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid 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scale="3" id="f-453">10,876</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-63" decimals="-3" name="us-gaap:RegulatedOperatingRevenueGas" format="ixt:num-dot-decimal" scale="3" id="f-454">13,205</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 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</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">13</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_391"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">3.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" id="f-483" continuedAt="f-483-1" escape="true">REGULATORY ASSETS AND LIABILITIES</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_394"></div><ix:continuation id="f-483-1" continuedAt="f-483-2"><ix:nonNumeric contextRef="c-1" name="ogs:SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock" id="f-484" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The tables below present a summary of regulatory assets and liabilities, net of amortization, for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.157%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:10.449%"/><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:11.765%"/><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:11.769%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt 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style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:RegulatoryLiabilityCurrent" format="ixt:num-dot-decimal" scale="3" id="f-521">24,702</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td 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name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="f-523">457,837</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:Netregulatoryassetsandliabilitiescurrent" format="ixt:num-dot-decimal" scale="3" id="f-524">58,665</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" sign="-" name="ogs:Netregulatoryassetsandliabilitiesnoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-525">182,431</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" sign="-" name="us-gaap:NetRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-526">123,766</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.841%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.765%"/><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:11.765%"/><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:11.769%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2025</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" 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costs</span></td><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-89" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="f-527">10,692</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-89" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:fixed-zero" scale="3" id="f-528">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-89" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-529">10,692</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and postemployment benefit costs, net</span></td><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-90" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="f-530">10,929</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-90" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-531">221,809</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-90" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-532">232,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Reacquired debt costs</span></td><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-91" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-535">1,989</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP remediation costs</span></td><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-92" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="f-536">1,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-92" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-537">29,105</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-95" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-546">2,954</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-95" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-547">6,986</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" 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name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:fixed-zero" scale="3" id="f-558">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-98" decimals="-3" name="us-gaap:RegulatoryLiabilities" scale="3" id="f-559">165</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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format="ixt:num-dot-decimal" scale="3" id="f-561">6,634</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-99" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="f-562">6,870</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-564">451,620</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="f-565">508,897</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span 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0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" sign="-" name="ogs:Netregulatoryassetsandliabilitiesnoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-567">195,395</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" sign="-" name="us-gaap:NetRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="f-568">203,168</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Regulatory assets in our consolidated balance sheets, as authorized by various regulatory authorities, are probable of recovery. Base rates and certain riders are designed to provide a recovery of costs during the period such rates are in effect, but do not generally provide for a return on investment for amounts we have deferred as regulatory assets. All of our regulatory assets are subject to review by the respective regulatory authorities during future regulatory proceedings.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_397"></div><ix:continuation id="f-483-2" continuedAt="f-483-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Other regulatory assets and liabilities</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Purchased-gas costs represent the natural gas costs that have been over- or under-recovered from customers through the purchased-gas cost adjustment mechanisms, and includes natural gas utilized in our operations and premiums paid and any cash settlements received from our purchased natural gas call options or swap agreements.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The OCC, KCC, and regulatory authorities in Texas have approved the recovery of pension costs and other postemployment benefits costs through rates for Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. The costs recovered through rates are based on the net periodic benefit cost for defined benefit pension and other postemployment costs. Differences, if any, between the net periodic benefit cost (credit), net of deferrals, and the amount recovered through rates are reflected in earnings. We historically have recovered defined benefit pension and other postemployment benefit costs through </span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">14</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><ix:continuation id="f-483-3" continuedAt="f-483-4"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">rates. We believe it is probable that regulators will continue to include the net periodic pension and other postemployment benefit costs in our cost of service.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We amortize reacquired debt costs in accordance with the accounting guidelines prescribed by the OCC and the KCC.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">See Note 12 for additional information regarding our regulatory assets for MGP remediation costs.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Ad-valorem tax represents the difference in Kansas Gas Service&#8217;s taxes incurred each year above or below the amount approved in base rates. This difference is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#8217; bills to refund the over-collected revenue or bill the under-collected revenue over the subsequent 12 months.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Weather normalization represents revenue over- or under-recovered through the WNA rider in Kansas. This amount is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#8217; bills for 12 months to refund the over-collected revenue or bill the under-collected revenue.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The customer credit deferrals and the noncurrent regulatory liability for income tax rate changes represent deferral of the effects of enacted federal and state income tax rate changes on our ADIT and the effects of these changes on our rates.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_403"></div><ix:continuation id="f-483-4"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%">The amortization of regulatory assets and liabilities resulted in recovery (return) through rates of approximately  $(<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:AmortizationOfRateDeferral" scale="6" id="f-569">0.9</ix:nonFraction>)&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" sign="-" name="us-gaap:AmortizationOfRateDeferral" scale="6" id="f-570">1.4</ix:nonFraction> million for the three months ended June&#160;30, 2026 and 2025, respectively, and approximately $(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:AmortizationOfRateDeferral" scale="6" id="f-571">0.9</ix:nonFraction>)&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" sign="-" name="us-gaap:AmortizationOfRateDeferral" scale="6" id="f-572">7.4</ix:nonFraction>&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_409"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ShortTermDebtTextBlock" id="f-573" escape="true"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">4.&#160;&#160;&#160;&#160;CREDIT FACILITY AND SHORT-TERM DEBT</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement provides for a $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="9" id="f-574">1.5</ix:nonFraction>&#160;billion revolving unsecured credit facility, which includes a $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:LineofCreditFacilitySublimit" scale="6" id="f-575">20</ix:nonFraction>&#160;million letter of credit subfacility and a $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:BridgeLoan" scale="6" id="f-576">60</ix:nonFraction>&#160;million swingline subfacility. Under the terms of the agreement, the Company may, subject to satisfaction of customary conditions and receipt of commitments from new or existing lenders, request an increase in total commitments of up to an additional $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" scale="6" id="f-577">750</ix:nonFraction>&#160;million. Proceeds from the agreement may be used for working capital, capital expenditures, acquisitions and mergers, the issuance of letters of credit, and other general corporate purposes.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement contains certain financial, operational, and legal covenants. Among other things, these covenants include maintaining ONE Gas&#8217; total debt-to-capital ratio, excluding the debt of KGSS-I, of no more than <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:ApprovedDebtToCapitalRatio" format="ixt:num-dot-decimal" scale="-2" id="f-578">70</ix:nonFraction> percent at the end of any calendar quarter. At June&#160;30, 2026, our total debt-to-capital ratio, excluding KGSS-I, was <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" format="ixt:num-dot-decimal" scale="-2" id="f-579">47.1</ix:nonFraction> percent and we were in compliance with all covenants under the ONE Gas Credit Agreement. We may reduce the unutilized portion of the ONE Gas Credit Agreement in whole or in part without premium or penalty. The ONE Gas Credit Agreement contains customary events of default. Upon the occurrence of certain events of default, our obligations under the ONE Gas Credit Agreement may be accelerated and the commitments may be terminated.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had approximately $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" scale="6" id="f-580">2.4</ix:nonFraction>&#160;million in letters of credit issued and <ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:LineOfCreditFacilityAmountOutstanding" format="ixt:fixed-zero" scale="0" id="f-581">no</ix:nonFraction> borrowings under the ONE Gas Credit Agreement, with approximately $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity" scale="9" id="f-582">1.5</ix:nonFraction>&#160;billion of remaining credit, which is available to repay our commercial paper borrowings and for other permitted purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Under our commercial paper program, we may issue unsecured commercial paper up to the maximum amount of $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:CommercialPaperMaximumBorrowingCapacity" scale="9" id="f-583">1.5</ix:nonFraction>&#160;billion to fund short-term borrowing needs. The maturities of the commercial paper vary but may not exceed <ix:nonNumeric contextRef="c-1" name="ogs:CommercialPaperMaximumMaturityTerm" format="ixt-sec:durday" id="f-584">270</ix:nonNumeric> days from the date of issue. Commercial paper is generally sold at par less a discount representing an interest factor. At June&#160;30, 2026 and December&#160;31, 2025, we had $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:CommercialPaper" scale="6" id="f-585">770.8</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:CommercialPaper" scale="6" id="f-586">737.4</ix:nonFraction>&#160;million of commercial paper outstanding with a weighted-average interest rate of <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="us-gaap:ShortTermDebtWeightedAverageInterestRate" format="ixt:num-dot-decimal" scale="-2" id="f-587">4.09</ix:nonFraction> percent and <ix:nonFraction unitRef="number" contextRef="c-7" decimals="INF" name="us-gaap:ShortTermDebtWeightedAverageInterestRate" format="ixt:num-dot-decimal" scale="-2" id="f-588">3.94</ix:nonFraction> percent, respectively.</span></div></ix:nonNumeric><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">15</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_412"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">5.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:LongTermDebtTextBlock" id="f-589" continuedAt="f-589-1" escape="true">LONG-TERM DEBT</ix:nonNumeric></span></div><div><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfDebtInstrumentsTextBlock" id="f-590" escape="true"><ix:continuation id="f-589-1" continuedAt="f-589-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below presents a summary of our long-term debt outstanding for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:52.262%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.911%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.712%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.715%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Interest Rate</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="6" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Senior Notes due:</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="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">April 2029</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="number" contextRef="c-100" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="f-591">5.100</ix:nonFraction>%</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-100" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="f-592">550,000</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-101" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="f-593">550,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">May 2030</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="number" contextRef="c-102" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="f-594">2.000</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 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id="f-596">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">September 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="number" contextRef="c-104" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="f-597">4.250</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span 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scale="3" id="f-604">400,000</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-109" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="f-605">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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#000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:LongTermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="f-628">2,356,038</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%">(a) Bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing. 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Such events of default would entitle the trustee or the holders of <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" format="ixt:num-dot-decimal" scale="-2" id="f-632">25</ix:nonFraction> percent in aggregate principal amount of the outstanding Senior Notes to declare those Senior Notes immediately due and payable in full.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Depending on the series, we may redeem our Senior Notes at par, plus accrued and unpaid interest to the redemption date, starting one month, three months, or six months before their maturity dates. Prior to these dates, we may redeem these Senior Notes, in whole or in part, at a redemption price equal to the principal amount, plus accrued and unpaid interest and a make-whole premium. The redemption price will never be less than <ix:nonFraction unitRef="number" contextRef="c-1" decimals="INF" name="us-gaap:DebtInstrumentRedemptionPricePercentage" format="ixt:num-dot-decimal" scale="-2" id="f-633">100</ix:nonFraction> percent of the principal amount of the respective Senior Note plus accrued and unpaid interest to the redemption date. Senior Notes are senior unsecured obligations, ranking equally in right of payment with all of our existing and future unsecured senior indebtedness.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Unsecured Term Loan</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - In August 2025, we entered into a 13-month unsecured term loan agreement totaling $<ix:nonFraction unitRef="usd" contextRef="c-112" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" scale="6" id="f-634">250</ix:nonFraction>&#160;million. <ix:nonNumeric contextRef="c-120" name="us-gaap:DebtInstrumentInterestRateTerms" id="f-635">The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026.</ix:nonNumeric> Interest is payable quarterly, and the loan includes customary covenants and default provisions. Proceeds of the term loan will be available for working capital, capital expenditures, acquisitions, mergers, and other general corporate purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">On February 11, 2026, the variable interest rate on our unsecured term loan reset for the new six&#8209;month interest period to 6&#8209;month Term SOFR of <ix:nonFraction unitRef="number" contextRef="c-121" decimals="INF" name="ogs:DebtInstrumentReferenceRate" format="ixt:num-dot-decimal" scale="-2" id="f-636">3.58</ix:nonFraction> percent plus a 90 bps spread, resulting in a <ix:nonFraction unitRef="number" contextRef="c-121" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" format="ixt:num-dot-decimal" scale="-2" id="f-637">4.48</ix:nonFraction> percent all&#8209;in interest rate, a decrease from the prior rate of <ix:nonFraction unitRef="number" contextRef="c-122" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" format="ixt:num-dot-decimal" scale="-2" id="f-638">4.96</ix:nonFraction> percent.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_418"></div><ix:continuation id="f-589-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Securitized Utility Tariff Bonds</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - The KGSS-I Securitized Utility Tariff Bonds are governed by an indenture between KGSS-I and the indenture trustee. The indenture contains certain covenants that restrict KGSS-I&#8217;s ability to sell, transfer, convey, exchange, or otherwise dispose of its assets. KGSS-I&#8217;s assets cannot be used to settle ONE Gas&#8217; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. See Note 14 for additional discussion of the Kansas securitization transaction.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">16</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_427"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">6.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:StockholdersEquityNoteDisclosureTextBlock" id="f-639" continuedAt="f-639-1" escape="true">EQUITY</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_433"></div><ix:continuation id="f-639-1" continuedAt="f-639-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">At-the-Market Equity Program </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">- In February 2026, we entered into an at-the-market equity distribution agreement under which we may issue and sell shares of our common stock with an aggregate offering price up to $<ix:nonFraction unitRef="usd" contextRef="c-123" decimals="-3" name="ogs:AttheMarketEquityProgramAggregateOfferingPriceLimit" scale="6" id="f-640">225</ix:nonFraction>&#160;million. Sales of common stock are made by means of ordinary brokers&#8217; transactions on the NYSE and the NYSE Texas, in block transactions or as otherwise agreed to between us and the sales agent. We are under no obligation to offer and sell common stock under the program. At June&#160;30, 2026, we had $<ix:nonFraction unitRef="usd" contextRef="c-123" decimals="-3" name="ogs:EquityAvailableForIssuance" scale="6" id="f-641">204.4</ix:nonFraction>&#160;million of equity available for issuance under the program. Had we fully settled all <ix:nonFraction unitRef="shares" contextRef="c-6" decimals="0" name="us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue" format="ixt:num-dot-decimal" scale="0" id="f-642">506,607</ix:nonFraction> shares sold under our forward sale agreements, as of June&#160;30, 2026, we would have generated net proceeds of approximately $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-5" name="us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" scale="6" id="f-643">41.5</ix:nonFraction>&#160;million.</span></div><div style="text-align:justify"><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock" id="f-644" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes our outstanding forward sale agreement at June&#160;30, 2026:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:31.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.347%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Maturity</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Original Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Remaining Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Forward Price</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Net Proceeds Available</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Per share)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">At-the-market equity program</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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2026</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-124" 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style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-124" decimals="-3" name="ogs:ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" format="ixt:num-dot-decimal" scale="3" id="f-648">20,430</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Equity forward agreements</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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2026</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-126" decimals="0" name="ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-649">2,500,000</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-126" decimals="0" name="us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue" format="ixt:num-dot-decimal" scale="0" id="f-650">269,300</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-127" decimals="2" name="us-gaap:ForwardContractIndexedToIssuersEquityForwardRate" scale="0" id="f-651">78.21</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-126" decimals="-3" name="us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" format="ixt:num-dot-decimal" scale="3" id="f-652">21,062</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total forward sale agreements</span></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-6" decimals="0" name="ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" format="ixt:num-dot-decimal" scale="0" id="f-653">2,737,307</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-6" decimals="0" 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Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-1" decimals="INF" name="us-gaap:ForwardContractIndexedToIssuersEquityForwardRate" scale="0" id="f-655">81.90</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" format="ixt:num-dot-decimal" scale="3" id="f-656">41,492</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_442"></div><ix:continuation id="f-639-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Dividends Declared </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">- In August 2026, we declared a dividend of $<ix:nonFraction unitRef="usdPerShare" contextRef="c-128" decimals="2" name="us-gaap:CommonStockDividendsPerShareDeclared" scale="0" id="f-657">0.68</ix:nonFraction> per share ($<ix:nonFraction unitRef="usdPerShare" contextRef="c-129" decimals="2" name="ogs:CommonStockDividendsDeclaredAnnualizedBasis" scale="0" id="f-658">2.72</ix:nonFraction> per share on an annualized basis) for shareholders of record as of <ix:nonNumeric contextRef="c-130" name="us-gaap:DividendsPayableDateOfRecordDayMonthAndYear" format="ixt:date-monthname-day-year-en" id="f-659">August 17, 2026</ix:nonNumeric>, payable on <ix:nonNumeric contextRef="c-131" name="us-gaap:DividendPayableDateToBePaidDayMonthAndYear" format="ixt:date-monthname-day-year-en" id="f-660">August 31, 2026</ix:nonNumeric>.</span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_448"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">7.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:ComprehensiveIncomeNoteTextBlock" id="f-661" continuedAt="f-661-1" escape="true">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_454"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" id="f-662" escape="true"><ix:continuation id="f-661-1"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the effect of reclassifications from accumulated other comprehensive income (loss) in our consolidated statements of income for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:44.075%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.794%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.794%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:19.957%"/><td style="width:0.1%"/></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" rowspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Affected Line Item in the Consolidated Statements of Income</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Details About Accumulated Other</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Comprehensive Income (Loss) Components</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:5pt;margin-top:5pt;padding-left:4.5pt;text-indent:-4.5pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and other postemployment benefit plan obligations (a)</span></div></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"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net gain (loss)</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="f-663">4,212</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="f-664">1,834</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="f-665">8,424</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="f-666">3,668</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of unrecognized prior service credit (cost)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 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style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt 0 7.75pt"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" sign="-" name="ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" format="ixt:num-dot-decimal" scale="3" id="f-671">4,305</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:2pt 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) These components of accumulated other comprehensive income (loss) are included in the computation of net periodic benefit cost (credit). See Note 9 for additional detail on our net periodic benefit cost (credit).</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) Regulatory adjustments represent pension and other postemployment benefit credits or costs expected to be recovered through rates and are deferred as part of our regulatory assets. See Note 3 for additional disclosures of regulatory assets and liabilities.</span></div></ix:continuation></ix:nonNumeric><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">17</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_457"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">8.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:EarningsPerShareTextBlock" id="f-699" continuedAt="f-699-1" escape="true">EARNINGS PER SHARE</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="f-699-1"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Basic EPS is calculated by dividing net income by the daily weighted-average number of common shares outstanding during the periods presented, which includes fully vested stock awards that have not yet been issued as common stock. 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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:10.631%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" 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Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="f-701">46,808</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-3" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="f-702">62,959</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-3" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="f-703">0.74</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" 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Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-3" decimals="-3" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" scale="3" id="f-704">194</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted" format="ixt:num-dot-decimal" scale="3" id="f-705">46,808</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-3" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="f-706">63,153</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-3" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="f-707">0.74</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="f-708">32,033</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-4" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="f-709">60,113</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-4" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="f-710">0.53</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-4" decimals="-3" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" scale="3" id="f-711">342</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid 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format="ixt:num-dot-decimal" scale="3" id="f-713">60,455</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-4" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="f-714">0.53</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="15" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="f-715">175,481</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-1" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="f-716">62,936</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-1" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="f-717">2.79</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-1" decimals="-3" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" scale="3" id="f-718">242</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted" format="ixt:num-dot-decimal" scale="3" id="f-719">175,481</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-1" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="f-720">63,178</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-1" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="f-721">2.78</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="f-722">151,452</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-5" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="f-723">60,095</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-5" decimals="2" name="us-gaap:EarningsPerShareBasic" format="ixt:num-dot-decimal" id="f-724">2.52</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-5" decimals="-3" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" scale="3" id="f-725">266</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted" format="ixt:num-dot-decimal" scale="3" id="f-726">151,452</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="c-5" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="f-727">60,361</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="c-5" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="f-728">2.51</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 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"/></tr><tr><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"/></tr><tr><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"/></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"/></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"/></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"/></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"/></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">18</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_463"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">9.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock" id="f-729" continuedAt="f-729-1" escape="true">EMPLOYEE BENEFIT PLANS</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_469"></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfNetBenefitCostsTableTextBlock" id="f-730" escape="true"><ix:continuation id="f-729-1" continuedAt="f-729-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth the components of net periodic benefit cost (credit) for our pension, inclusive of our defined benefit pension plan, supplemental executive retirement plan, and other postemployment benefit plans for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"/><td style="width:47.135%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.841%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.841%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.841%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.842%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Pension Benefits</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"/><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Components of net periodic benefit cost (credit)</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span 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style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-135" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="f-734">2,674</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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format="ixt:num-dot-decimal" scale="3" id="f-754">2,854</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Other Postemployment Benefits</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"/><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid 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0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-137" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="f-756">123</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-138" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="f-757">222</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-139" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="f-758">246</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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format="ixt:num-dot-decimal" scale="3" id="f-761">4,040</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-139" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="f-762">4,138</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-136" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" format="ixt:num-dot-decimal" scale="3" id="f-763">2,194</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-137" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" format="ixt:num-dot-decimal" scale="3" id="f-764">2,212</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-138" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" format="ixt:num-dot-decimal" scale="3" id="f-765">4,388</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-139" decimals="-3" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="f-770">62</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit cost (credit)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-136" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="f-771">70</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-137" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="f-772">51</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-138" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="f-773">142</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-139" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="f-774">102</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.</span></td><td colspan="3" style="display:none"/></tr></table></div></ix:continuation></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_472"></div><ix:continuation id="f-729-2" continuedAt="f-729-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We recover qualified pension benefit plan and other postemployment benefit plan costs through rates charged to our customers. Certain regulatory authorities require that the recovery of these costs be based on specific guidelines. The difference between these regulatory-based amounts and the periodic benefit cost calculated pursuant to GAAP is deferred as a regulatory asset or liability and amortized to expense over periods in which this difference will be recovered in rates, as authorized by the applicable regulatory authorities. For the&#160;six months ended&#160;June&#160;30, 2026 and 2025, regulatory deferrals related to net periodic benefit cost (credit) were $(<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" sign="-" name="ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts" scale="6" id="f-775">2.2</ix:nonFraction>)&#160;million and $(<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" sign="-" name="ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts" scale="6" id="f-776">0.5</ix:nonFraction>)&#160;million, respectively.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We capitalize all eligible service cost and non-service (credit) components under the accounting requirements of ASC Topic 980 (Regulated Operations) for rate-regulated entities. Capitalized non-service (credits) reflected in pension and other postemployment benefit costs, net within regulatory assets in our consolidated balance sheets were $(<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:CapitalizedNonServiceCostComponents" scale="6" id="f-777">5.1</ix:nonFraction>)&#160;million and $(<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="ogs:CapitalizedNonServiceCostComponents" scale="6" id="f-778">6.8</ix:nonFraction>)&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively. See Note 3 of the Notes to Consolidated Financial Statements in this Quarterly Report for additional information.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Nonqualified Deferred Compensation Plan</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We have a nonqualified deferred compensation plan with obligations of $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent" scale="6" id="f-779">24.6</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent" scale="6" id="f-780">21.9</ix:nonFraction>&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, which are reported within other deferred credits in our consolidated balance sheets. These obligations represent the amount owed to plan participants and are treated as if invested in specified deemed investment options. A significant portion of the obligation is indirectly funded with key-person corporate-owned life insurance policies to offset costs associated with our nonqualified deferred compensation plan and the supplemental executive retirement plan. These corporate-owned life insurance policies are measured at cash surrender value of $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:CashSurrenderValueOfLifeInsurance" scale="6" id="f-781">49.2</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:CashSurrenderValueOfLifeInsurance" scale="6" id="f-782">46.2</ix:nonFraction>&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, and are reported within other assets in our consolidated balance sheets. </span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">19</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><ix:continuation id="f-729-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Gains (losses) on the corporate-owned life insurance policies are recognized in other income (expense), net within our consolidated statements of income; see Note 11 for additional detail of our other income (expense), net. Deferred compensation expense (income) associated with the nonqualified deferred compensation plan which is recognized in operations and maintenance expense within our consolidated statements of income were $<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense" scale="6" id="f-783">2.1</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense" scale="6" id="f-784">1.1</ix:nonFraction>&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_478"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">10.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:IncomeTaxDisclosureTextBlock" id="f-785" continuedAt="f-785-1" escape="true">INCOME TAXES</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_484"></div><ix:continuation id="f-785-1" continuedAt="f-785-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We use an estimated annual effective tax rate for purposes of determining the income tax provision during interim reporting periods. In calculating our estimated annual effective tax rate, we consider forecasted annual pre-tax income and estimated permanent book versus tax differences, as well as tax credits. Adjustments to the effective tax rate and estimates will occur as information and assumptions change.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had no uncertain tax positions. We are no longer subject to income tax examination for years prior to 2022. Changes in tax laws or tax rates are recognized in the financial reporting period that includes the enactment date.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In April 2026, we received $<ix:nonFraction unitRef="usd" contextRef="c-140" decimals="-3" name="ogs:IRS2022FederalIncomeTaxReturn" scale="6" id="f-786">64.3</ix:nonFraction>&#160;million from the IRS, consisting of a $<ix:nonFraction unitRef="usd" contextRef="c-140" decimals="-3" name="ogs:IRS2022IncomeTaxReturnFederalIncomeTax" scale="6" id="f-787">55.6</ix:nonFraction>&#160;million federal income tax refund and $<ix:nonFraction unitRef="usd" contextRef="c-140" decimals="-3" name="ogs:IRS2022IncomeTaxReturnInterest" scale="6" id="f-788">8.7</ix:nonFraction>&#160;million of interest. The refund relates to the amendment of our 2022 federal income tax return following the issuance of Revenue Procedure 2024&#8209;15 in 2024, which allows for the deferral of income taxes on securitization bond proceeds received from a qualifying state financing entity.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_490"></div><ix:continuation id="f-785-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Income tax expense reflects credits for the amortization of the regulatory liability associated with EDIT that was returned to customers of $<ix:nonFraction unitRef="usd" contextRef="c-3" decimals="-3" name="ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" scale="6" id="f-789">3.3</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-4" decimals="-3" name="ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" scale="6" id="f-790">2.1</ix:nonFraction>&#160;million for the three months ended June 30, 2026 and 2025, respectively, and $<ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" scale="6" id="f-791">12.8</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" scale="6" id="f-792">10.2</ix:nonFraction>&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_493"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">11.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock" id="f-793" continuedAt="f-793-1" escape="true">OTHER INCOME AND OTHER EXPENSE</ix:nonNumeric></span></div><div style="text-indent:-18pt"><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" id="f-794" escape="true"><ix:continuation id="f-793-1"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the components of other income and other expense for the periods indicated:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:61.473%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:8.259%"/><td style="width:0.1%"/><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="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit (cost) credit other than service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="c-141" decimals="-3" sign="-" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="f-795">972</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-142" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" scale="3" id="f-796">356</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;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',serif;font-size:9pt;font-weight:400;line-height:120%">(a) See Note 10 for additional detail.</span></div></ix:nonNumeric><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_502"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">12.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:CommitmentsAndContingenciesDisclosureTextBlock" id="f-819" continuedAt="f-819-1" escape="true">COMMITMENTS AND CONTINGENCIES</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_508"></div><ix:continuation id="f-819-1" continuedAt="f-819-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Matters</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to multiple laws and regulations regarding protection of the environment and natural and cultural resources, which affect many aspects of our present and future operations. Regulated activities include, but are not limited to, those involving air emissions, storm water and wastewater discharges, handling and disposal of solid and hazardous wastes, wetland preservation, plant and wildlife protection, hazardous materials use, storage and transportation, and pipeline and facility construction. These laws and regulations require us to obtain and/or comply with a wide variety of environmental clearances, registrations, licenses, permits, and other approvals. Failure to comply with these laws, regulations, licenses, and permits or the discovery of presently unknown environmental conditions may expose us to fines, penalties, and/or interruptions in our operations that could be material to our results of operations. In addition, emission controls and/or other regulatory or permitting mandates under the CAA and other similar federal and state laws could require unexpected capital expenditures. We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional statutes or regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">20</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span><br/></span></div><ix:continuation id="f-819-2" continuedAt="f-819-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We own or retain legal responsibility for certain environmental conditions at <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" scale="0" id="f-820">12</ix:nonFraction> former MGP sites in Kansas. These sites contain contaminants generally associated with MGP sites and are subject to control or remediation under various environmental laws and regulations. A consent agreement with the KDHE governs all environmental investigation and remediation work at these sites. The terms of the consent agreement require us to investigate these sites and set remediation activities based upon the results of the investigations and risk analysis. Remediation typically involves the management of contaminated soils and may involve removal of structures and monitoring and/or remediation of groundwater. We have completed or are addressing removal of the source of soil contamination at all <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" scale="0" id="f-821">12</ix:nonFraction> sites and continue to monitor groundwater at <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:Numberofsiteswithongoinggroundwatermonitoring" format="ixt-sec:numwordsen" scale="0" id="f-822">seven</ix:nonFraction> of the <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" scale="0" id="f-823">12</ix:nonFraction> sites according to plans approved by the KDHE. Regulatory closure has been achieved at <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" format="ixt-sec:numwordsen" scale="0" id="f-824">five</ix:nonFraction> of the <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" scale="0" id="f-825">12</ix:nonFraction> sites, but these sites remain subject to potential future requirements that may result in additional costs.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We have an AAO that allows Kansas Gas Service to defer and seek recovery of costs necessary for investigation and remediation at, and nearby, these <ix:nonFraction unitRef="number" contextRef="c-6" decimals="INF" name="ogs:NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" scale="0" id="f-826">12</ix:nonFraction> former MGP sites that are incurred after January 1, 2017. In January 2025, Kansas Gas Service requested to increase the cap on the AAO to $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsMaximum" scale="6" id="f-827">32.0</ix:nonFraction> million from $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsOriginalMaximum" scale="6" id="f-828">15.0</ix:nonFraction> million. The original $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsOriginalMaximum" scale="6" id="f-829">15.0</ix:nonFraction>&#160;million cap approved in 2017 was the result of a unanimous settlement agreement and contained additional reporting requirements and obligations. In May 2025, Kansas Gas Service, the KCC staff, and the Citizens&#8217; Utility Ratepayer Board filed a unanimous settlement agreement with the KCC agreeing to increase the cap to $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsMaximum" scale="6" id="f-830">32.0</ix:nonFraction> million and to leave all of the other provisions of the 2017 settlement agreement in place. The KCC issued an order approving the settlement agreement in July 2025.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the AAO, costs approved for recovery in a future rate proceeding are to be amortized over a 15-year period. The unamortized amounts are not included in rate base or accumulate carrying charges. Following a determination that future investigation and remediation work approved by the KDHE exceeds $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsMaximum" scale="6" id="f-831">32.0</ix:nonFraction> million, net of any related insurance recoveries, Kansas Gas Service is required to file an application with the KCC for approval to increase the $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:DeferredMGPCostsMaximum" scale="6" id="f-832">32.0</ix:nonFraction> million cap. At June&#160;30, 2026 and December&#160;31, 2025, we have deferred $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" scale="6" id="f-833">30.3</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="ogs:RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" scale="6" id="f-834">30.1</ix:nonFraction>&#160;million, respectively, for accrued investigation and remediation costs, net of insurance proceeds, pursuant to our AAO. </span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We also own or retain legal responsibility for certain environmental conditions at a former MGP site in Texas. At the request of the TCEQ, we began investigating the level and extent of contamination associated with the site under their Texas Risk Reduction Program. A preliminary site investigation revealed that this site contains contaminants generally associated with MGP sites and is subject to control or remediation under various environmental laws and regulations. At June&#160;30, 2026, estimated costs associated with expected remediation activities for this site are not material.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our expenditures for environmental evaluation, mitigation, remediation and compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025. The reserve for remediation of our MGP sites was $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:AccrualForEnvironmentalLossContingencies" scale="6" id="f-835">13.0</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:AccrualForEnvironmentalLossContingencies" scale="6" id="f-836">13.7</ix:nonFraction>&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Environmental issues may exist with respect to these MGP sites that are unknown to us. Accordingly, future costs are dependent on the final determination and regulatory approval of any remedial actions, the complexity of the site, level of remediation required, changing technology and governmental regulations, and to the extent not recovered by insurance or recoverable in rates from our customers, such costs could be material to our financial condition, results of operations, or cash flows.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are subject to environmental regulation by federal, state, and local authorities. Due to the inherent uncertainties surrounding the development of federal and state environmental laws and regulations, we cannot determine with specificity the impact such laws and regulations may have on our existing and future facilities. With the trend toward stricter standards, greater regulation, and more extensive permit requirements for the types of assets operated by us, our environmental expenditures could increase in the future. Such expenditures may not be fully recovered by insurance or recoverable in rates from our customers, and those costs may adversely affect our financial condition, results of operations, and cash flows.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_514"></div><ix:continuation id="f-819-3" continuedAt="f-819-4"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Footprint&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows for the three and six months ended June 30, 2026, and 2025.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">21</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span><br/></span></div><ix:continuation id="f-819-4" continuedAt="f-819-5"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Pipeline Safety</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to regulation under federal pipeline safety statutes and any analogous state regulations. These include safety requirements for the design, construction, operation, and maintenance of pipelines, including transmission and distribution pipelines. At the federal level, we are regulated by PHMSA. PHMSA regulations require the following for certain pipelines: inspection and maintenance plans; integrity management programs, including the determination of pipeline integrity risks and periodic assessments on certain pipeline segments; an operator qualification program, which includes certain trainings; a public awareness program that provides certain information; and a control room management plan.</span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_517"></div><ix:continuation id="f-819-5"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">PHMSA promulgates various regulations related to pipeline safety. As part of the Consolidated Appropriations Act, 2021, the PIPES Act reauthorized PHMSA through 2023 and directed the agency to move forward with several regulatory actions. Outstanding regulatory actions include the &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; and &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rulemakings. On May 28, 2026, PHMSA hosted a meeting of the Gas Pipeline Advisory Committee to cover the proposed &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; rule. PHMSA is anticipating publishing the final rule to the Federal Register in December of 2026. The &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rule would require operators of new and existing transmission and distribution pipeline facilities to conduct certain leak detection and repair programs and require facility inspection and maintenance plans to align with those regulations. On January 20, 2025, an executive order began a regulatory freeze on all rulemakings that were not yet effective pending further review. On July 8, 2026, PHMSA published the NPRM for Gas Transmission Pipelines Repair Criteria in the Federal Register. This rule proposes to modernize and clarify anomaly response criteria. To the extent such rulemakings impose more stringent requirements on our facilities, we may be required to incur expenditures that may be material.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Regulatory&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Several regulatory initiatives impacted the earnings and future earnings potential of our business. See additional information regarding our regulatory initiatives in the &#8220;Regulatory Activities&#8221; section of Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Legal Proceedings</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are a party to various litigation matters and claims that have arisen in the normal course of our operations. While the results of litigation and claims cannot be predicted with certainty, we believe the reasonably possible losses from such matters, individually and in the aggregate, are not material. Additionally, we believe the probable outcome of such matters will not have a material adverse effect on our results of operations, financial position, or cash flows.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Purchase Commitment</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - During the second quarter of 2026, the Company entered into a commitment to purchase approximately $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:PurchaseObligation" scale="6" id="f-837">24.8</ix:nonFraction>&#160;million of materials related to the construction of a natural gas pipeline. Delivery of the materials is expected to occur in 2027. At June&#160;30, 2026, the Company had outstanding contractual commitments of approximately $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted" scale="6" id="f-838">19.8</ix:nonFraction>&#160;million related to this agreement and made a prepayment of $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="ogs:PurchaseCommitmentAmountPaid" scale="6" id="f-839">5.0</ix:nonFraction>&#160;million under the agreement, which is reported in current prepaid expenses on our consolidated balance sheets.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">22</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_520"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">13.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:FairValueDisclosuresTextBlock" id="f-840" continuedAt="f-840-1" escape="true">DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS</ix:nonNumeric></span></div><div style="padding-left:36pt;text-indent:-36pt"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_523"></div><ix:continuation id="f-840-1" continuedAt="f-840-2"><ix:nonNumeric contextRef="c-1" name="us-gaap:DerivativesReportingOfDerivativeActivity" id="f-841" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounting Treatment</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:22.326%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.728%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:34.039%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.728%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:34.479%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"/><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Recognition and Measurement</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Accounting Treatment</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Balance Sheet</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income Statement</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Normal purchases and<br/>normal sales</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Fair value not recorded</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value not recognized in earnings</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Recorded at fair value</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value recognized in, and recoverable through, the purchased-gas cost adjustment mechanisms</span></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:FairValueMeasurementPolicyPolicyTextBlock" id="f-842" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Measurements</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We define fair value as the price that would be received from the sale of an asset or the transfer of a liability in an orderly transaction between market participants at the measurement date. We use the market and income approaches to determine the fair value of our assets and liabilities and consider the markets in which the transactions are executed. We measure the fair value of a group of financial assets and liabilities consistent with how a market participant would price the net risk exposure at the measurement date.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Hierarchy</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At each balance sheet date, we utilize a fair value hierarchy to classify fair value amounts recognized or disclosed in our consolidated financial statements based on the observability of inputs used to estimate such fair value. The levels of the hierarchy are described below:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 2 - Significant observable pricing inputs other than quoted prices included within Level 1 that are, either directly or indirectly, observable as of the reporting date. Essentially, this represents inputs that are derived principally from or corroborated by observable market data; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 3 - May include one or more unobservable inputs that are significant in establishing a fair value estimate. These unobservable inputs are developed based on the best information available and may include our own internal data.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We recognize transfers into and out of the levels as of the end of each reporting period.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Determining the appropriate classification of our fair value measurements within the fair value hierarchy requires management&#8217;s judgment regarding the degree to which market data is observable or corroborated by observable market data. We categorize derivatives for which fair value is determined using multiple inputs within a single level, based on the lowest level input that is significant to the fair value measurement in its entirety.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_526"></div><ix:continuation id="f-840-2" continuedAt="f-840-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Derivative Instruments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> -&#160;Our derivatives are comprised of over-the-counter natural gas fixed-price swaps and call options. </span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Swaps - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2027 with a total notional amount of <ix:nonFraction unitRef="bcf" contextRef="c-161" decimals="2" name="us-gaap:DerivativeNonmonetaryNotionalAmount" scale="0" id="f-843">11.70</ix:nonFraction> Bcf. At December&#160;31, 2025, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2026 with a total notional amount of <ix:nonFraction unitRef="bcf" contextRef="c-162" decimals="2" name="us-gaap:DerivativeNonmonetaryNotionalAmount" scale="0" id="f-844">5.02</ix:nonFraction> Bcf.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Options</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At June&#160;30, 2026, we did not hold any natural gas call options. At December&#160;31, 2025, we held purchased natural gas call options for the heating season ending March 2026 with total notional amount of <ix:nonFraction unitRef="bcf" contextRef="c-163" decimals="2" name="us-gaap:DerivativeNonmonetaryNotionalAmount" scale="0" id="f-845">0.50</ix:nonFraction> Bcf, for which we paid premiums of $<ix:nonFraction unitRef="usd" contextRef="c-163" decimals="-3" name="ogs:Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" scale="6" id="f-846">0.5</ix:nonFraction>&#160;million.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We have not designated any of our derivative instruments as accounting hedges. These contracts are included in, and recoverable through, our purchased-gas cost adjustment mechanisms. Additionally, premiums paid, changes in fair value and any settlements received associated with these contracts are deferred as part of our unrecovered purchased-gas costs in our consolidated balance sheets. There were <ix:nonFraction unitRef="usd" contextRef="c-1" decimals="-3" name="ogs:FairValueAssetsTransfersbetweenLevels" format="ixt:fixed-zero" scale="0" id="f-847"><ix:nonFraction unitRef="usd" contextRef="c-5" decimals="-3" name="ogs:FairValueAssetsTransfersbetweenLevels" format="ixt:fixed-zero" scale="0" id="f-848">no</ix:nonFraction></ix:nonFraction> transfers between levels for the periods presented.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">23</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span><br/></span></div><ix:continuation id="f-840-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Other Financial Instruments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> -</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The approximate fair value of cash and cash equivalents, restricted cash and cash equivalents, accounts receivable, and accounts payable is equal to book value, due to the short-term nature of these items. The fair value of our commercial paper was determined using quoted prices in an active market.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="c-1" name="us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" id="f-849" escape="true"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables summarize, by level within the fair value hierarchy, our derivative and other assets and liabilities that were accounted for at fair value on a recurring basis at June&#160;30, 2026 and December 31, 2025:</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.683%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.770%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 1</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Netting (c)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" 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Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(d) The fair value is included in other current assets in our consolidated balance sheets.</span></div></ix:nonNumeric><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The estimated fair value of our long-term debt, including current maturities, was $<ix:nonFraction unitRef="usd" contextRef="c-6" decimals="-3" name="us-gaap:LongTermDebtFairValue" scale="9" id="f-890">2.5</ix:nonFraction>&#160;billion and $<ix:nonFraction unitRef="usd" contextRef="c-7" decimals="-3" name="us-gaap:LongTermDebtFairValue" scale="9" id="f-891">2.5</ix:nonFraction>&#160;billion at June&#160;30, 2026 and December&#160;31, 2025, respectively. The estimated fair value of our long-term debt was determined using quoted market prices and is classified as Level 2.</span></div></ix:continuation><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">24</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_532"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">14.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="c-1" name="us-gaap:VariableInterestEntityDisclosureTextBlock" id="f-892" continuedAt="f-892-1" escape="true">VARIABLE INTEREST ENTITY</ix:nonNumeric></span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_535"></div><ix:continuation id="f-892-1" continuedAt="f-892-2"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">KGSS-I is a special-purpose, wholly owned subsidiary of ONE Gas that was formed for the purpose of issuing securitized bonds to recover extraordinary costs incurred by Kansas Gas Service resulting from Winter Storm Uri. KGSS-I&#8217;s assets cannot be used to settle ONE Gas&#8217; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. The Securitized Utility Tariff Bonds have a scheduled final payment date of August 1, 2032. See Note 5 for additional information about the securitization financing.</span></div></ix:continuation><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_538"></div><ix:continuation id="f-892-2" continuedAt="f-892-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">KGSS-I is considered to be a variable interest entity. As a result, KGSS-I is included in the consolidated financial statements of ONE Gas. No gain or loss was recognized upon initial consolidation.</span></div></ix:continuation><div style="text-indent:-18pt"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_541"></div><ix:nonNumeric contextRef="c-204" name="us-gaap:ScheduleOfVariableInterestEntitiesTextBlock" id="f-893" escape="true"><ix:continuation id="f-892-3"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the impact of KGSS-I on our consolidated balance sheets:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:72.438%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.767%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 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the impact of KGSS-I on our consolidated statements of income:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.683%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.770%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</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"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-204" decimals="-3" name="ogs:VariableInterestEntityMeasureOfActivityNetIncome" scale="3" id="f-948">72</ix:nonFraction></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="c-207" decimals="-3" name="ogs:VariableInterestEntityMeasureOfActivityNetIncome" scale="3" id="f-949">72</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div></ix:continuation></ix:nonNumeric><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',serif;font-size:10pt;font-weight:400;line-height:120%">25</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_79"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 2.&#160;&#160;&#160;&#160;MANAGEMENT&#8217;S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following discussion and analysis should be read in conjunction with our unaudited consolidated financial statements and the Notes to Consolidated Financial Statements in this Quarterly Report, as well as our Annual Report. We have disclosed non-GAAP financial measures of adjusted net income and adjusted net income per share. Management and the Board of Directors use these non-GAAP financial measures, in addition to GAAP financial measures, to evaluate financial performance, specifically impacts from certain regulatory mechanisms designed to mitigate regulatory lag, understand and compare operating results across accounting periods, and for planning and forecasting. These non-GAAP financial measures are additional information and should not be considered as alternatives to, or more meaningful than, the related GAAP financial measures or comparable to similar measures used by other companies.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_85"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">RECENT DEVELOPMENTS</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_100"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Dividend - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In August 2026, we declared a dividend of $0.68 per share ($2.72 per share on an annualized basis) for shareholders of record as of August&#160;17, 2026, payable on August&#160;31, 2026.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_103"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">REGULATORY ACTIVITIES</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_106"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Oklahoma</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - On February 26, 2026, Oklahoma Natural Gas filed its required PBRC application for the year ended December 31, 2025. The filed request included a $28.7 million base rate revenue increase, $2.6 million energy efficiency incentive, and $14.4 million of estimated EDIT to be credited to customers in 2027. At the hearing on June 11, 2026, the administrative law judge recommended approval of the application as filed. Subsequent to the hearing, exceptions to the administrative law judge&#8217;s oral ruling were filed at the OCC as well as an appeal to the Oklahoma Supreme Court. Interim rates subject to refund were implemented on June 26, 2026, in compliance with the PBRC tariff.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_109"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Kansas</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - In July 2026, Kansas Gas Service submitted an application to the KCC requesting an increase of approximately $14.3 million related to its GSRS to be effective October 2026.  The filing includes expanded infrastructure investments as defined by Kansas House Bill 2435.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_112"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Texas</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:112%"> - In March 2026, Texas Gas Service made a GRIP filing for all customers requesting a $36.9 million increase to be effective in July 2026. In June 2026, the RRC approved an increase of $36.9 million, and new rates became effective in July 2026.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> </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',serif;font-size:10pt;font-weight:400;line-height:120%">26</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_124"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">FINANCIAL RESULTS AND OPERATING INFORMATION</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_127"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We operate in one reportable business segment: regulated public utilities that deliver natural gas to residential, commercial, and transportation customers. Our accounting policies are the same as described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. We evaluate our financial performance principally on net income.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_133"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Selected Financial Results - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">For the three months ended June 30, 2026, net income was $46.8 million, or $0.74 per diluted share, compared with $32.0 million, or $0.53 per diluted share, in the same period last year. Adjusted net income was $52.1 million, or $0.82 adjusted net income per diluted share, for the three months ended June 30, 2026 compared with adjusted net income of $32.7 million, or $0.54 adjusted net income per diluted share, in the same period last year. For the six months ended June 30, 2026, net income was $175.5 million, or $2.78 per diluted share, compared with $151.5 million, or $2.51 per diluted share, in the same period last year. Adjusted net income was $185.5 million, or $2.94 adjusted net income per diluted share, for the six months ended June 30, 2026 compared with adjusted net income of $152.8 million, or $2.53 adjusted net income per diluted share, in the same period last year. See the &#8220;Non-GAAP Financial Measures&#8221; section for a reconciliation of the Company&#8217;s GAAP net income and GAAP EPS to adjusted net income and adjusted net income per share.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_136"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth certain selected financial results for our operations for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.976%"><tr><td style="width:1.0%"/><td style="width:31.839%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.614%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.614%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.171%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.171%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.171%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.171%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.171%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.178%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td><td colspan="6" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Financial Results</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="6" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Increase (Decrease)</span></td><td colspan="6" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Increase (Decrease)</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"/><td colspan="24" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Millions of dollars, except percentages</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas sales</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">357.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">369.5&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,127.7</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,239.9&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(11.7)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(112.2)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(9)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">31.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">31.0&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">71.9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">74.8&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2.9)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitization customer charges</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10.9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13.2&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21.9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24.8&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2.3)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(17)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2.9)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(12)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">11.1</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10.0&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">19.5&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1.1</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">11</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">12</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">411.6</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">423.7&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,243.3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,359.0&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(12.1)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(115.7)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(9)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Cost of natural gas</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">90.4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">117.9&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">483.9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">630.4&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(27.5)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(23)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(146.5)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(23)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating costs</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">162.4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">154.6</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">334.2</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">315.2&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">7.8</span><span 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Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19.0</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Depreciation and amortization</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">76.2</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">79.3&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">153.0</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">161.0&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3.1)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8.0)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(5)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating income</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">82.6</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times 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style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">252.4&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10.7</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">15</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Capital expenditures and asset removal costs</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">188.3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">190.1&#160;</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">357.9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">367.8&#160;</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(1.8)</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(1)</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(9.9)</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3)</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td></tr></table></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_145"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Natural gas sales to customers represent revenue from contracts with customers through implied contracts established by our tariffs and rates approved by regulatory authorities, as well as revenues from regulatory mechanisms related to natural gas sales. Natural gas sales also include recovery of the cost of natural gas.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our natural gas sales include fixed and variable charges related to the delivery of natural gas and gas costs that are passed through to our customers in accordance with our cost of natural gas regulatory mechanisms. Fixed charges reflect the portion of our natural gas sales attributable to the monthly fixed customer charge component of our rates, which does not fluctuate based on customer usage in each period. Variable charges reflect the portion of our natural gas sales that fluctuate with the volumes delivered and billed and the effects of weather normalization.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Transportation revenues represent revenue from contracts with customers through implied contracts established by our tariffs and rates approved by regulatory authorities, as well as tariff-based negotiated contracts.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Securitization customer charges represent revenue from contracts with customers through implied contracts established by the financing order approved by the KCC, related to the securitization of extraordinary costs incurred during Winter Storm Uri in the state of Kansas. See Note 14 of the Notes to Consolidated Financial Statements in this Quarterly Report for additional discussion of the securitization transaction in Kansas.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_148"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Other revenues include primarily miscellaneous service charges, which represent implied contracts with customers established by our tariffs and rates approved by regulatory authorities and other revenues from regulatory mechanisms.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Cost of natural gas includes commodity purchases, fuel, storage, transportation, hedging costs, and settlement proceeds for natural gas price volatility mitigation programs approved by our regulators and other gas purchase costs recovered through our cost of natural gas regulatory mechanisms.  Cost of natural gas does not include an allocation of general operating costs or </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',serif;font-size:10pt;font-weight:400;line-height:120%">27</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">depreciation and amortization. These regulatory mechanisms provide a method of recovering natural gas costs on an ongoing basis without a profit. Therefore, although our revenues fluctuate with the cost of natural gas that we pass through to our customers, operating income is not affected by fluctuations in the cost of natural gas.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_160"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Operating income increased $10.7 million for the three months ended June&#160;30, 2026, compared with the same period last year, due primarily to the following: </span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $16.4 million in revenue from new rates;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $1.4 million in residential sales due primarily to net customer growth in Oklahoma and Texas; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $1.3 million in line extension revenue in Oklahoma.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">These increases were partially offset by:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $7.4 million in employee-related costs; </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%;padding-left:14.5pt">an increase of $1.1 million in outside services; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%;padding-left:14.5pt">an increase of $1.1 million in fleet expense.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Operating income increased $19.8 million for the six months ended June&#160;30, 2026, compared with the same period last year, due primarily to the following:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $43.7 million from new rates; </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $3.2 million in residential sales due primarily to net customer growth in Oklahoma and Texas; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $1.8 million from released transportation capacity to other shippers in Kansas.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">These increases were partially offset by:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $13.2 million in employee-related costs;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $3.4 million in outside services; </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">an increase of $1.3 million in fleet expense; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">a decrease of $10.6 million in revenue due to lower sales and transport volumes, net of the impact of weather normalization mechanisms.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Weather across our service territories was 28 percent warmer than the prior year for the three months ended June 30, 2026 and 25 percent warmer than the prior year for the six months ended June 30, 2026. The impact on operating income was mitigated by our weather normalization mechanisms. </span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_166"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Other Factors Affecting Net Income</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Other factors that affected net income for the three months ended June&#160;30, 2026, compared to the same period last year, include an increase of $2.6 million in other income (expense), net due primarily to a credit of $2.4 million due to the change in federal tax regulation for securitization, a $1.7&#160;million increase in the market value of investments associated with our nonqualified deferred compensation plan, partially offset by a $1.3 million</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">decrease in net periodic benefit credit other than service costs. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Other income (expense), net for the six months ended June&#160;30, 2026, compared to the same period last year, increased $33 thousand due primarily to a credit of $2.4 million due to the change in federal tax regulation for securitization, a $0.8 million increase in the market value of investments associated with our nonqualified deferred compensation plan, partially offset by a $2.8 million decrease in net periodic benefit credit other than service costs. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Additionally, net income for the three and six months ended June&#160;30, 2026, compared with the same periods last year, includes decreases in interest expense, net of $4.2 million and $7.5 million, respectively, due primarily to a lower weighted-average interest rate on commercial paper borrowings and the implementation of Texas House Bill 4384.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_172"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">EDIT</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Income tax expense reflects credits for the amortization of the regulatory liability associated with EDIT that were returned to customers of $3.3&#160;million and $2.1&#160;million for the three months ended June&#160;30, 2026 and 2025, respectively, and credits of $12.8&#160;million and $10.2&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_175"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Capital Expenditures and Asset Removal Costs</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Our capital expenditures program includes expenditures for pipeline integrity, extending service to new areas, reinforcing and increasing system capabilities, pipeline replacements, automated meter reading, government-mandated pipeline relocations, fleet, facilities, IT assets, and cybersecurity. It is our practice to maintain and upgrade our infrastructure, facilities, and systems to ensure safe, reliable, and efficient operations. Asset removal </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',serif;font-size:10pt;font-weight:400;line-height:120%">28</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">costs include expenditures associated with the replacement or retirement of long-lived assets that result from the construction, development, and/or normal use of our assets, primarily our pipeline assets.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_184"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Capital expenditures and asset removal costs were $1.8 million and $9.9 million lower for the three and six months ended June 30, 2026, compared with the same periods last year. Our full-year capital expenditures and asset removal costs are expected to be approximately $800&#160;million for 2026.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_181"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Non-GAAP Financial Measures - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:112%">Adjusted net income and adjusted net income per share are calculated as GAAP net income plus the deferral of an equity portion of a carrying cost attributable to shareholders&#8217; investment capitalized for regulatory purposes but not for financial reporting purposes. These carrying costs relate to property, plant and equipment that has been placed in service, but not yet reflected in Texas rates. Property, plant and equipment placed in service may vary by quarter based on the timing and complexity of projects, weather impacts, construction completion schedules, contractor activities, and other operational factors. During the three months ended June 30, 2026, we placed $53.8&#160;million of property, plant and equipment in service eligible for this treatment, compared with $62.6&#160;million in the same period last year. For the six months ended June 30, 2026, we placed $125.3&#160;million of property, plant and equipment in service eligible for this treatment, compared with $125.5&#160;million in the same period last year. Adjusted net income and adjusted net income per share should not be considered in isolation or as a substitute for GAAP net income or GAAP EPS. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Management believes these non&#8209;GAAP measures provide useful information because they offer a more complete view of our overall regulatory economics, reflect the period-specific effects of certain regulatory mechanisms designed to mitigate regulatory lag associated with property, plant and equipment placed in service prior to regulatory action, and reflect the impact of regulatory timing differences that arise under the Company&#8217;s rate-setting framework. These adjustments, net of applicable tax effects, are expected to recur as a result of the Company&#8217;s regulatory framework and are a consistent part of our earnings profile.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table contains a reconciliation of the Company&#8217;s GAAP net income and GAAP EPS to adjusted net income and adjusted net income per share:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:59.133%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.844%"/><td style="width:0.1%"/><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"/></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="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt 0 1.75pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt 0 1.75pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt 0 1.75pt"/><td colspan="12" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars, except per share amounts)</span></td><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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Net income - GAAP</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">46,808</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,033</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">175,481</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">151,452</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other income - deferred carrying cost</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,257</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">653</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,982</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,301</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income taxes</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Adjusted net income - non-GAAP</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">52,065</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,686&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">185,463</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">152,753&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt 0 12.25pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Earnings per share - GAAP</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="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Basic</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.79</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.52</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Diluted</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.78</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.51</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt 0 12.25pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Adjusted net income per share - non-GAAP</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Basic</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.83</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.54</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.95</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.54</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Diluted</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.82</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.54</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.94</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 12.25pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.53</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt 0 12.25pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Average shares </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(thousands)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="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"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Basic</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,959</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,113</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,936</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,095</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Diluted</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,153</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,455</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,178</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 7.75pt 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,361</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) The allowance for earnings on shareholders&#8217; investment capitalized for regulatory purposes but not for financial reporting purposes applied to property, plant and equipment placed in service, but not yet reflected in Texas rates, as authorized by our regulators or state law. Property, plant and equipment placed in service may vary by quarter based on the timing and complexity of projects, weather impacts, construction completion schedules, contractor activities, and other operational factors. During the three months ended June 30, 2026, we placed $53.8 million of property, plant and equipment in service eligible for this treatment, compared with $62.6 million in the same period last year. For the six months ended June 30, 2026, we placed $125.3 million of property, plant and equipment in service eligible for this treatment, compared with $125.5 million in the same period last year.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(b) This deferred carrying cost increases book income but is non-taxable, creating a permanent tax difference.</span></div></td><td colspan="3" style="display:none"/></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">29</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_190"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Selected Operating Information - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth certain selected operating information for the periods indicated:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:24.772%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.381%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:3.696%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.150%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.151%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="24" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Variances</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="24" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="12" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="12" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="12" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Increase (Decrease)</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Average Number of Customers</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">OK</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">KS</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">TX</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">OK</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">KS</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">TX</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">OK</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">679</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,133</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">850&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">600&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">674&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,124&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span 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Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Commercial and 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style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">78&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">51&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">35&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt 0 7.75pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span 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Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">11&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total customers</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">936</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td 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Roman',serif;font-size:9pt;font-weight:400;line-height:100%">933&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">656&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">713&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,302&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(1)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt 0 12.25pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="24" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Variances</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="24" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td></tr><tr><td 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#000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">TX</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">OK</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">KS</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">TX</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">OK</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">KS</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">TX</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">856</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">601</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">678</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,135</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">851&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">601&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">673&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,125&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Commercial and industrial</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">76</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">51</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">35</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">162</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">78&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">51&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">35&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">164&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt 0 7.75pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">11</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">11&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total customers</span></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">937</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">657</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">717</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,311</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">934&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">657&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">712&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,303&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_199"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The increase in the average number of customers for the periods presented is due primarily to the connection of new customers resulting from the extension and expansion of our system in our service areas. For the three months ended June&#160;30, 2026, our average customer count includes approximately 4,800 new customer connections in the period. For the six months ended June&#160;30, 2026, our average customer count includes approximately 9,600 new customer connections in the period. For the year ended December&#160;31, 2025, our average customer count included approximately 23,000 new customer connections.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_202"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table reflects total volumes delivered, excluding the effects of WNA mechanisms on sales volumes:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:47.438%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.765%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:11.767%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Volumes </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:700;line-height:100%">(MMcf)</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas sales</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,373</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">12,589&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">54,367</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">71,510&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Commercial and industrial</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,007</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5,761&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">20,053</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24,987&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">490</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">518&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,363</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,655&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total sales volumes delivered</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">15,870</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,868&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">75,783</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">98,152&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">50,689</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">48,731&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">109,794</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">114,073&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total volumes delivered</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">66,559</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">67,599&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">185,577</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">212,225&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The impact of weather on residential and commercial natural gas sales is mitigated by WNA mechanisms in all jurisdictions.</span></div><div style="text-align:justify"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">30</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the HDDs by state for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:28.139%"/><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:8.110%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.384%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.120%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="39" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="39" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">HDDs</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Normal</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Normal</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual Variance</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual as a percent of Normal</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Oklahoma</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">126</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5h </span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">230</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">164&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5h </span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">230&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(23)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">55</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">71&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Kansas</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">234</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5j </span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">397</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">319&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5j </span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">397&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(27)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">59</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">80&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Texas</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5l </span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">51</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">64&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5l </span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">46&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(50)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">139&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="39" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="39" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">HDDs</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Normal</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Normal</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual Variance</span></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="9" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Actual as a percent of Normal</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Oklahoma</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,080&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,027&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(26)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">76</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">103&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Kansas</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,304</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5d </span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,883</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,929&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,883&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(21)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">80</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">102&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Texas</span></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">710</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#160;5f </span></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">999</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,051&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">994&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(32)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">71</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">%</span></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">106&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Normal HDDs are established through rate proceedings in each of our jurisdictions for use primarily in weather normalization billing calculations. See further discussion on weather normalization in our Regulatory Overview section in Part 1, Item 1, &#8220;Business,&#8221; of our Annual Report. Normal HDDs disclosed above are based on:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Oklahoma</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - A 10-year weighted average as of June 30, 2021, as calculated using 11 weather stations across Oklahoma and weighted on average customer count. </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Kansas</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - A 30-year rolling average for years 1994-2023 calculated using three weather stations across Kansas and weighted on HDDs by weather station and customers.</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:14.5pt">Texas</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - An average of HDDs authorized in our most recent rate proceeding in each jurisdiction and weighted using a rolling 10-year average of actual natural gas distribution sales volumes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Actual HDDs are based on the quarter weighted average of:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">11 weather stations and customers by month for Oklahoma;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">3 weather stations and customers by month for Kansas; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">9 weather stations and natural gas distribution sales volumes for Texas.</span></div><div style="padding-left:36pt"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_208"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">CONTINGENCIES</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_211"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are a party to various litigation matters and claims that have arisen in the normal course of our operations. While the results of litigation and claims cannot be predicted with certainty, we believe the reasonably possible losses from such matters, individually and in the aggregate, are not material. Additionally, we believe the probable outcome of such matters will not have a material adverse effect on our results of operations, financial position or cash flows.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_217"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">LIQUIDITY AND CAPITAL RESOURCES</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">General</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We have relied primarily on operating cash flow, commercial paper, and equity forward agreements for our liquidity and capital resource requirements. We fund operating expenses, working capital requirements, including purchases of natural gas, and capital expenditures primarily with cash from operations, commercial paper, and settlements of equity forward agreements.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our stable cash flow and earnings profile is due to the significant residential component of our customer base, the fixed-charge component of our natural gas sales revenues, and the rate mechanisms that we have in place. Additionally, we have rate mechanisms in place in our jurisdictions that reduce the lag in earning a return on our capital expenditures and provide for recovery of certain changes in our cost of service by allowing for adjustments to rates between rate cases. We anticipate that our cash flow generated from operations and our expected short- and long-term financing arrangements will enable us to maintain our current and planned level of operations and provide us flexibility to finance our infrastructure investments. Our ability to </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',serif;font-size:10pt;font-weight:400;line-height:120%">31</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">access capital markets for debt and equity financing under reasonable terms depends on market conditions, our financial condition, and credit ratings.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Short-term Debt</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">- </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement provides for a $1.5&#160;billion revolving unsecured credit facility, which includes a $20&#160;million letter of credit subfacility and a $60&#160;million swingline subfacility. Under the terms of the agreement, the Company may, subject to satisfaction of customary conditions and receipt of commitments from new or existing lenders, request an increase in total commitments of up to an additional $750&#160;million. Proceeds from the agreement may be used for working capital, capital expenditures, acquisitions and mergers, the issuance of letters of credit, and other general corporate purposes.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement contains certain financial, operational, and legal covenants. Among other things, these covenants include maintaining ONE Gas&#8217; total debt-to-capital ratio, excluding the debt of KGSS-I, of no more than 70 percent at the end of any calendar quarter. At June&#160;30, 2026, our total debt-to-capital ratio, excluding KGSS-I, was 47.1 percent and we were in compliance with all covenants under the ONE Gas Credit Agreement. We may reduce the unutilized portion of the ONE Gas Credit Agreement in whole or in part without premium or penalty. The ONE Gas Credit Agreement contains customary events of default. Upon the occurrence of certain events of default, our obligations under the ONE Gas Credit Agreement may be accelerated and the commitments may be terminated.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had approximately $2.4&#160;million in letters of credit issued and no borrowings under the ONE Gas Credit Agreement, with approximately $1.5&#160;billion of remaining credit, which is available to repay our commercial paper borrowings and for other permitted purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Under our commercial paper program, we may issue unsecured commercial paper up to the maximum amount of $1.5&#160;billion to fund short-term borrowing needs. The maturities of the commercial paper vary but may not exceed 270 days from the date of issue. Commercial paper is generally sold at par less a discount representing an interest factor. At June&#160;30, 2026 and December&#160;31, 2025, we had $770.8&#160;million and $737.4&#160;million of commercial paper outstanding with a weighted-average interest rate of 4.09 percent and 3.94 percent, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Senior Notes</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At June&#160;30, 2026, our long-term debt-to-capital ratio was 40.3 percent, exclusive of KGSS-I debt.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had outstanding $2.2 billion of Senior Notes with none due within the next year. The indenture governing our Senior Notes includes an event of default upon the acceleration of other indebtedness of $100&#160;million or more. Such events of default would entitle the trustee or the holders of 25 percent in aggregate principal amount of the outstanding Senior Notes to declare those Senior Notes immediately due and payable in full.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Depending on the series, we may redeem our Senior Notes at par, plus accrued and unpaid interest to the redemption date, starting one month, three months, or six months before their maturity dates. Prior to these dates, we may redeem these Senior Notes, in whole or in part, at a redemption price equal to the principal amount, plus accrued and unpaid interest and a make-whole premium. The redemption price will never be less than 100 percent of the principal amount of the respective Senior Note, plus accrued and unpaid interest to the redemption date. Our Senior Notes are senior unsecured obligations, ranking equally in right of payment with all of our existing and future unsecured senior indebtedness.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Unsecured Term Loan</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - In August 2025, we entered into a 13-month unsecured term loan agreement totaling $250 million. The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026. Interest is payable quarterly, and the loan includes customary covenants and default provisions. Proceeds of the term loan will be available for working capital, capital expenditures, acquisitions, mergers, and other general corporate purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">On February 11, 2026, the variable interest rate on our unsecured term loan reset for the new six&#8209;month interest period to 6&#8209;month Term SOFR of 3.58 percent plus a 90 bps spread, resulting in a 4.48 percent all&#8209;in interest rate, a decrease from the prior rate of 4.96 percent.</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',serif;font-size:10pt;font-weight:400;line-height:120%">32</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Credit Ratings</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Our credit ratings at June&#160;30, 2026, were:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:77.777%"><tr><td style="width:1.0%"/><td style="width:23.900%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.900%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.900%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.900%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Rating Agency</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Long-term Rating</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Short-term Rating</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Outlook</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">A3</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Prime-2</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Stable</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">A-</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">A-2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Stable</span></td></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We intend to maintain credit metrics at a level that supports our balanced approach to capital investment and a return of capital to shareholders via a dividend that we believe will be competitive with our peer group.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Securitized Utility Tariff Bonds</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At June&#160;30, 2026, we had outstanding $242.5 million of 5.486 percent KGSS-I Securitized Utility Tariff Bonds with $31.4 million due within the next year. The bonds are governed by an indenture between KGSS-I and the indenture trustee. The indenture contains certain covenants that restrict KGSS-I&#8217;s ability to sell, transfer, convey, exchange, or otherwise dispose of its assets. </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div id="i94c0cebfef024ece8e79580079334c43_220"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">At-the-Market Equity Program </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">- In February 2026, we entered into an at-the-market equity distribution agreement under which we may issue and sell shares of our common stock with an aggregate offering price up to $225&#160;million. Sales of common stock are made by means of ordinary brokers&#8217; transactions on the NYSE and the NYSE Texas, in block transactions or as otherwise agreed to between us and the sales agent. We are under no obligation to offer and sell common stock under the program. At June&#160;30, 2026, we had $204.4&#160;million of equity available for issuance under the program. Had we fully settled all 506,607 shares sold under our forward sale agreements, as of June&#160;30, 2026, we would have generated net proceeds of approximately $41.5&#160;million.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_223"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Pension and Other Postemployment Benefit Plans</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> In 2026, our contributions are expected to be approximately $12.7&#160;million to our defined benefit pension plans, and no contributions are expected to be made to our other postemployment benefit plans. We use a December 31 measurement date for our plans. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Information about our pension and other postemployment benefit plans, including anticipated contributions, is included under Note 11 of the Notes to Consolidated Financial Statements in our Annual Report. See Note 9 of the Notes to Consolidated Financial Statements in this Quarterly Report for additional information.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_229"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">CASH FLOW ANALYSIS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We use the indirect method to prepare our consolidated statements of cash flows. Under this method, we reconcile net income to cash flows provided by operating activities by adjusting net income for those items that impact net income but may not result in actual cash receipts or payments and changes in our assets and liabilities not classified as investing or financing activities during the period. Items that impact net income but may not result in actual cash receipts or payments include, but are not limited to, depreciation and amortization, deferred income taxes, share-based compensation expense, and provision for doubtful accounts.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the changes in cash flows by operating, investing and financing activities for the periods indicated:</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:69.221%"/><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 style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:9.867%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="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="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Variance</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;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="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"/><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026 vs. 2025</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;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="9" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Millions of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total cash provided by (used in):</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="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating activities</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 style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">387.3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">448.8&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(61.5)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Investing activities</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="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(329.7)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(348.5)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">18.8</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Financing activities</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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(60.7)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(136.1)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">75.4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in cash, cash equivalents, restricted cash and restricted cash equivalents</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="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3.1)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(35.8)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32.7</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period</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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">33.7</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">78.5&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(44.8)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period</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 style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span id="i756d7100440c4e8ca6761c5aa0e26c89_9-6-1-1-339548"></span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30.6</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">42.7&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(12.1)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Operating Cash Flows</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Changes in cash flows from operating activities are due primarily to changes in sales revenues, natural gas costs, and operating expenses discussed in &#8220;Financial Results and Operating Information,&#8221; and changes in working capital. Changes in natural gas prices and demand for our services or natural gas, whether because of general economic </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',serif;font-size:10pt;font-weight:400;line-height:120%">33</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">conditions, variations in weather not mitigated by WNA mechanisms, changes in supply, or increased competition from other service providers, could affect our earnings and operating cash flows.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Typically, our cash flows from operations are greater in the first half of the year compared to the second half of the year.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Operating cash flows were lower for the six months ended June 30, 2026, compared with the prior period, due primarily to working capital changes related to the recovery of regulatory assets, net.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Investing Cash Flows</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Cash used in investing activities decreased for the six months ended June 30, 2026, compared with the prior period, due primarily to the timing of capital expenditures for system integrity and extension of service to new areas.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Financing Cash Flows</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Cash used in financing activities decreased for the six months ended June 30, 2026, compared with the prior period, due primarily to higher net commercial paper repayments in 2025.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_232"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ENVIRONMENTAL, SAFETY, AND REGULATORY MATTERS</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_235"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Matters</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to multiple laws and regulations regarding protection of the environment and natural and cultural resources, which affect many aspects of our present and future operations. Regulated activities include, but are not limited to, those involving air emissions, storm water and wastewater discharges, handling and disposal of solid and hazardous wastes, wetland preservation, plant and wildlife protection, hazardous materials use, storage, and transportation, and pipeline and facility construction. These laws and regulations require us to obtain and/or comply with a wide variety of environmental clearances, registrations, licenses, permits, and other approvals. Failure to comply with these laws, regulations, licenses, and permits or the discovery of presently unknown environmental conditions may expose us to fines, penalties, and/or interruptions in our operations that could be material to our results of operations. In addition, emission controls and/or other regulatory or permitting mandates under the CAA and other similar federal and state laws could require unexpected capital expenditures. We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional statutes or regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We own or retain legal responsibility for certain environmental conditions at 12 former MGP sites in Kansas. These sites contain contaminants generally associated with MGP sites and are subject to control or remediation under various environmental laws and regulations. A consent agreement with the KDHE governs all environmental investigation and remediation work at these sites. The terms of the consent agreement require us to investigate these sites and set remediation activities based upon the results of the investigations and risk analysis. Remediation typically involves the management of contaminated soils and may involve removal of structures and monitoring and/or remediation of groundwater. We have completed or are addressing removal of the source of soil contamination at all 12 sites and continue to monitor groundwater at seven of the 12 sites according to plans approved by the KDHE. Regulatory closure has been achieved at five of the 12 sites, but these sites remain subject to potential future requirements that may result in additional costs.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We have an AAO that allows Kansas Gas Service to defer and seek recovery of costs necessary for investigation and remediation at, and nearby, these 12 former MGP sites that are incurred after January 1, 2017. In January 2025, Kansas Gas Service requested to increase the cap on the AAO to $32.0 million from $15.0 million. The original $15.0&#160;million cap approved in 2017 was the result of a unanimous settlement agreement and contained additional reporting requirements and obligations. In May 2025, Kansas Gas Service, the KCC staff, and the Citizens&#8217; Utility Ratepayer Board filed a unanimous settlement agreement with the KCC agreeing to increase the cap to $32.0 million and to leave all of the other provisions of the 2017 settlement agreement in place. The KCC issued an order approving the settlement agreement in July 2025.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the AAO, costs approved for recovery in a future rate proceeding are to be amortized over a 15-year period. The unamortized amounts are not included in rate base or accumulate carrying charges. Following a determination that future investigation and remediation work approved by the KDHE exceeds $32.0 million, net of any related insurance recoveries, Kansas Gas Service is required to file an application with the KCC for approval to increase the $32.0 million cap. At June&#160;30, 2026 and December&#160;31, 2025, we have deferred $30.3&#160;million and $30.1&#160;million, respectively, for accrued investigation and remediation costs, net of insurance proceeds, pursuant to our AAO. </span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We also own or retain legal responsibility for certain environmental conditions at a former MGP site in Texas. At the request of the TCEQ, we began investigating the level and extent of contamination associated with the site under their Texas Risk Reduction Program. A preliminary site investigation revealed that this site contains contaminants generally associated with </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',serif;font-size:10pt;font-weight:400;line-height:120%">34</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">MGP sites and is subject to control or remediation under various environmental laws and regulations. At June&#160;30, 2026, estimated costs associated with expected remediation activities for this site are not material.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our expenditures for environmental evaluation, mitigation, remediation, and compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025. The reserve for remediation of our MGP sites was $13.0&#160;million and $13.7&#160;million at June&#160;30, 2026 and December 31, 2025, respectively. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Environmental issues may exist with respect to these MGP sites that are unknown to us. Accordingly, future costs are dependent on the final determination and regulatory approval of any remedial actions, the complexity of the site, level of remediation required, changing technology and governmental regulations, and to the extent not recovered by insurance or recoverable in rates from our customers, such costs could be material to our financial condition, results of operations, or cash flows.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are subject to environmental regulation by federal, state, and local authorities. Due to the inherent uncertainties surrounding the development of federal and state environmental laws and regulations, we cannot determine with specificity the impact such laws and regulations may have on our existing and future facilities. With the trend toward stricter standards, greater regulation, and more extensive permit requirements for the types of assets operated by us, our environmental expenditures could increase in the future. Such expenditures may not be fully recovered by insurance or recoverable in rates from our customers, and those costs may adversely affect our financial condition, results of operations, and cash flows.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_238"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Footprint&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows for the three and six months ended June 30, 2026, and 2025.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Pipeline Safety</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to regulation under federal pipeline safety statutes and any analogous state regulations. These include safety requirements for the design, construction, operation, and maintenance of pipelines, including transmission and distribution pipelines. At the federal level, we are regulated by PHMSA. PHMSA regulations require the following for certain pipelines: inspection and maintenance plans; integrity management programs, including the determination of pipeline integrity risks and periodic assessments on certain pipeline segments; an operator qualification program, which includes certain trainings; a public awareness program that provides certain information; and a control room management plan.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">PHMSA promulgates various regulations related to pipeline safety. As part of the Consolidated Appropriations Act, 2021, the PIPES Act reauthorized PHMSA through 2023 and directed the agency to move forward with several regulatory actions. Outstanding regulatory actions include the &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; and &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rulemakings. On May 28, 2026, PHMSA hosted a meeting of the Gas Pipeline Advisory Committee to cover the proposed &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; rule. PHMSA is anticipating publishing the final rule to the Federal Register in December of 2026. The &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rule would require operators of new and existing transmission and distribution pipeline facilities to conduct certain leak detection and repair programs and require facility inspection and maintenance plans to align with those regulations. On January 20, 2025, an executive order began a regulatory freeze on all rulemakings that were not yet effective pending further review. On July 8, 2026, PHMSA published the NPRM for Gas Transmission Pipelines Repair Criteria in the Federal Register. This rule proposes to modernize and clarify anomaly response criteria. To the extent such rulemakings impose more stringent requirements on our facilities, we may be required to incur expenditures that may be material.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_241"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Regulatory&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Several regulatory initiatives impacted the earnings and future earnings potential of our business. See additional information regarding our regulatory initiatives in the &#8220;Regulatory Activities&#8221; section of Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_244"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">IMPACT OF NEW ACCOUNTING STANDARDS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Information about the impact of new accounting standards, if any, is included in Note 1 of the Notes to Consolidated Financial Statements in this Quarterly Report.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">35</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_247"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">CRITICAL ACCOUNTING ESTIMATES</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of our consolidated financial statements and related disclosures in accordance with GAAP requires us to make estimates and assumptions with respect to values or conditions that cannot be known with certainty that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements. These estimates and assumptions also affect the reported amounts of revenues and expenses during the reporting period. Although we believe these estimates and assumptions are reasonable, actual results could differ from our estimates.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_250"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Information about our estimates and critical accounting policies is included under Item 7, Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations, &#8220;Critical Estimates and Accounting Policies,&#8221; in our Annual Report.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_256"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">FORWARD-LOOKING STATEMENTS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Some of the statements contained and incorporated in this Quarterly Report are forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act.&#160;The forward-looking statements relate to our anticipated financial performance, liquidity, management&#8217;s plans and objectives for our future operations, our business prospects, the outcome of regulatory and legal proceedings, market conditions, and other matters.&#160;We make these forward-looking statements in reliance on the safe harbor protections provided under the Private Securities Litigation Reform Act of 1995.&#160;The following discussion is intended to identify important factors that could cause future outcomes to differ materially from those set forth in the forward-looking statements.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Forward-looking and other statements in this Quarterly Report regarding our environmental, social, and other sustainability plans and goals are not an indication that these statements are necessarily material to investors or required to be disclosed in our filings with the SEC. In addition, historical, current, and forward-looking environmental, social, and sustainability-related statements may be based on standards for measuring progress that are still developing, internal controls and processes that continue to evolve, and assumptions that are subject to change in the future.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Forward-looking statements include the items identified in the preceding paragraph, the information concerning possible or assumed future results of our operations and other statements contained or incorporated in this Quarterly Report identified by words such as &#8220;anticipate,&#8221; &#8220;estimate,&#8221; &#8220;expect,&#8221; &#8220;project,&#8221; &#8220;intend,&#8221; &#8220;plan,&#8221; &#8220;believe,&#8221; &#8220;should,&#8221; &#8220;goal,&#8221; &#8220;forecast,&#8221; &#8220;guidance,&#8221; &#8220;could,&#8221; &#8220;may,&#8221; &#8220;continue,&#8221; &#8220;might,&#8221; &#8220;potential,&#8221; &#8220;scheduled,&#8221; &#8220;likely,&#8221; and other words and terms of similar meaning.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">One should not place undue reliance on forward-looking statements, which are applicable only as of the date of this Quarterly Report.&#160;Known and unknown risks, uncertainties, and other factors may cause our actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by forward-looking statements.&#160;Those factors may affect our operations, costs, liquidity, markets, products, services, and prices.&#160;In addition to any assumptions and other factors referred to specifically in connection with the forward-looking statements, factors that could cause our actual results to differ materially from those contemplated in any forward-looking statement include, among others, 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',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to recover costs, income taxes, and amounts equivalent to the cost of property, plant and equipment, regulatory assets, and our allowed rate of return in our regulated rates or other recovery mechanisms;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">cyber-attacks, which continue to increase in volume and sophistication, or breaches of technology systems that could disrupt our operations or result in the loss or exposure of confidential or sensitive customer, employee, vendor, counterparty, or Company information; further, increased remote working arrangements have required enhancements and modifications to our IT infrastructure (e.g. Internet, Virtual Private Network, remote collaboration systems, etc.), and any failures of the technologies, including those provided by third-party service providers, that facilitate working remotely could limit our ability to conduct ordinary operations or expose us to increased risk or effect of an attack; </span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to manage our operations and maintenance costs;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in regulation of natural gas distribution services, particularly those in Oklahoma, Kansas, and Texas;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the economic climate and, particularly, its effect on the natural gas requirements of our residential and commercial customers;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the length and severity of a pandemic or other health crisis which could significantly disrupt or prevent us from operating our business in the ordinary course for an extended period;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">competition from alternative forms of energy, including, but not limited to, electricity, solar power, wind power, geothermal energy, and biofuels;</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',serif;font-size:10pt;font-weight:400;line-height:120%">36</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">adverse weather conditions and variations in weather, including seasonal effects on demand and/or supply, the occurrence of severe storms in the territories in which we operate, climate change, and the related effects on supply, demand, and costs;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">indebtedness, which could make us more vulnerable to general adverse economic and industry conditions, limit our ability to borrow additional funds and/or place us at a competitive disadvantage compared with competitors;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to secure reliable, competitively priced and flexible natural gas transportation, storage, and supply, including decisions by natural gas producers to reduce production or shut-in producing natural gas wells and expiration of existing supply and transportation and storage arrangements that are not replaced with contracts with similar terms and pricing;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to complete necessary or desirable expansion or infrastructure development projects, which may delay or prevent us from serving our customers or expanding our business;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">operational and mechanical hazards or interruptions;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">adverse labor relations;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the effectiveness of our strategies to reduce earnings lag, revenue protection strategies and risk mitigation strategies, which may be affected by risks beyond our control such as commodity price volatility, counterparty performance or creditworthiness, and interest rate risk;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the capital-intensive nature of our business, and the availability of and access to, in general, funds to meet our debt obligations prior to or when they become due and to fund our operations and capital expenditures, either through (i) cash on hand, (ii) operating cash flow, or (iii) access to the capital markets and other sources of liquidity;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to obtain capital on commercially reasonable terms, or on terms acceptable to us, or at all;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">limitations on our operating flexibility, earnings, and cash flows due to restrictions in our financing arrangements;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">cross-default provisions in our borrowing arrangements, which may lead to our inability to satisfy all of our outstanding obligations in the event of a default on our part;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in the financial markets during the periods covered by the forward-looking statements, particularly those affecting the availability of capital and our ability to refinance existing debt and fund investments and acquisitions to execute our business strategy;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">actions of rating agencies, including the ratings of debt, general corporate ratings, and changes in the rating agencies&#8217; ratings criteria;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in inflation and interest rates;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to recover the costs of upstream transportation, storage, and natural gas purchased for our customers and any related financing required to support our purchase of natural gas supply;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">impact of potential impairment charges;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">volatility and changes in markets for natural gas and our ability to secure additional and sufficient liquidity on reasonable commercial terms to cover costs associated with such volatility;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">possible loss of local distribution company franchises or other adverse effects caused by the actions of municipalities;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">payment and performance by counterparties and customers as contracted and when due, including our counterparties maintaining ordinary course terms of supply and payments;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in existing or the addition of new environmental, safety, tax, cybersecurity, and other laws or regulations to which we and our subsidiaries are subject, including those that may require significant expenditures, significant increases in operating costs or, in the case of noncompliance, substantial fines or penalties;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the effectiveness of our risk-management policies and procedures, and employees violating our risk-management policies;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the uncertainty of estimates, including accruals and costs of environmental remediation;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">advances in technology, including technologies that increase efficiency or that improve electricity&#8217;s competitive position relative to natural gas;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">population growth rates and changes in the demographic patterns of the markets we serve in Oklahoma, Kansas, and Texas, and economic conditions in these areas;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">acts of nature and naturally occurring disasters;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">political unrest and the potential effects of threatened or actual terrorism and war;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the sufficiency of insurance coverage to cover losses;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the effects of our strategies to reduce tax payments;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in accounting standards;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">changes in corporate governance standards;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">existence of material weaknesses in our internal controls;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to comply with all covenants in our indentures and our short and long term credit agreements, a violation of which, if not cured in a timely manner, could trigger a default of our obligations;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to attract and retain talented employees, management, and directors, and any shortage of skilled labor;</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',serif;font-size:10pt;font-weight:400;line-height:120%">37</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">unexpected increases in the costs of providing health care benefits, along with pension and postemployment health care benefits, as well as declines in the discount rates on, declines in the market value of the debt and equity securities of, and increases in funding requirements for, our defined benefit plans; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">our ability to successfully complete merger, acquisition, or divestiture plans, regulatory or other limitations imposed as a result of a merger, acquisition, or divestiture, and the success of the business following a merger, acquisition, or divestiture.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">These factors are not necessarily all of the important factors that could cause actual results to differ materially from those expressed in any of our forward-looking statements.&#160;Other factors could also have material adverse effects on our future results. These and other risks are described in greater detail in Part 1, Item 1A, Risk Factors, in our Annual Report.&#160;All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these factors. Other than as required under securities laws, we undertake no obligation to update publicly any forward-looking statement whether as a result of new information, subsequent events or change in circumstances, expectations, or otherwise.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_259"></div><div style="padding-left:72pt;text-align:justify;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 3.&#160;&#160;&#160;&#160;QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our quantitative and qualitative disclosures about market risk are consistent with those discussed in Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risk, in our Annual Report.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Commodity Price Risk - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our commodity price risk, driven primarily by fluctuations in the price of natural gas, is mitigated by our purchased-gas cost adjustment mechanisms through which we pass-through natural gas costs to our customers without profit. We may use fixed-price natural gas contracts or derivative instruments to hedge the cost of a portion of our anticipated natural gas purchases during the winter heating months to reduce the impact on our customers of upward market price volatility of natural gas. Additionally, we inject natural gas into storage during the warmer months, when natural gas prices are typically lower, and withdraw the natural gas during the colder months of the year. Gains or losses associated with these derivative instruments and the costs of our fixed-price natural gas contracts and storage activities are included in, and recoverable through our purchased-gas cost adjustment mechanisms, which are subject to review by regulatory authorities.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Interest-Rate Risk - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are exposed to interest-rate risk primarily associated with commercial paper borrowings, borrowings under our short-and long-term credit agreements, and new debt financing needed to fund capital requirements, including future contractual obligations and maturities of long-term and short-term debt. We may manage interest-rate risk on future borrowings through the use of fixed-rate debt, floating-rate debt and, at times, interest-rate swaps. Fixed-rate swaps may be used to reduce our risk of increased interest costs during periods of rising interest rates. Floating-rate swaps may be used to convert the fixed rates of long-term borrowings into short-term variable rates.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Counterparty Credit Risk - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We assess the creditworthiness of our customers. Those customers who do not meet minimum standards are required to provide security, including deposits or other forms of collateral, when appropriate and allowed by tariffs. With approximately 2.3&#160;million customers across three states, we are not exposed materially to a concentration of credit risk. We maintain a provision for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends, consideration of the current credit environment, and other information. We recover the fuel-related portion of bad debts through our purchased-gas cost adjustment mechanisms.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_589"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 4.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:35.36pt">CONTROLS AND PROCEDURES</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Quarterly Evaluation of Disclosure Controls and Procedures</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Our Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Financial Officer) have concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report based on the evaluation of the controls and procedures required by Rules 13(a)-15(b) of the Exchange Act.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Changes in Internal Control Over Financial Reporting</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - There have been no changes in our internal control over financial reporting during the quarter ended June&#160;30, 2026, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.</span></div><div style="text-align:justify"><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_592"></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">PART II - OTHER INFORMATION</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_595"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1.&#160;&#160;&#160;&#160;LEGAL PROCEEDINGS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are a party to various litigation matters and claims that have arisen in the normal course of our operations. While the results of litigation and claims cannot be predicted with certainty, we believe the reasonably possible losses from such matters, </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',serif;font-size:10pt;font-weight:400;line-height:120%">38</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">individually and in the aggregate, are not material. Additionally, we believe the probable final outcome of such matters will not have a material adverse effect on our results of operations, financial position or cash flows.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_598"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1A.&#160;&#160;&#160;&#160;RISK FACTORS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our investors should consider the risks set forth in Part I, Item 1A, Risk Factors, of our Annual Report that could affect us and our business. Although we have tried to discuss key factors, our investors need to be aware that other risks may prove to be important in the future.&#160;New risks may emerge at any time, and we cannot predict such risks or estimate the extent to which they may affect our financial performance.&#160;Investors should carefully consider the discussion of risks and the other information included or incorporated by reference in this Quarterly Report, including &#8220;Forward-Looking Statements,&#8221; which are included in Part I, Item 2, Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_601"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 2.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:35.36pt">UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Not applicable.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_604"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 3.&#160;&#160;&#160;&#160;DEFAULTS UPON SENIOR SECURITIES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Not applicable.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_607"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 4.&#160;&#160;&#160;&#160;MINE SAFETY DISCLOSURES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Not applicable.</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_610"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 5.&#160;&#160;&#160;&#160;OTHER INFORMATION</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">During the quarter ended June&#160;30, 2026, no director or Section 16 officer of the Company adopted or terminated any contract, instruction or written plan for the purchase or sale of securities of the Company intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act or any &#8220;non-Rule 10b5-1 trading arrangement&#8221; (as defined in the Exchange Act).</span></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_613"></div><div style="-sec-extract:summary;padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 6.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">EXHIBITS</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Readers of this report should not rely on or assume the accuracy of any representation or warranty or the validity of any opinion contained in any agreement filed as an exhibit to this Quarterly Report, because such representation, warranty or opinion may be subject to exceptions and qualifications contained in separate disclosure schedules, may represent an allocation of risk between parties in the particular transaction, may be qualified by materiality standards that differ from what may be viewed as material for securities law purposes, or may no longer continue to be true as of any given date.&#160;All exhibits attached to this Quarterly Report are included for the purpose of complying with requirements of the SEC.&#160;Other than the certifications made by our officers pursuant to the Sarbanes-Oxley Act of 2002 included as exhibits to this Quarterly Report, all exhibits are included only to provide information to investors regarding their respective terms&#160;and should not be relied upon as constituting or providing any factual disclosures about us, any other persons, any state of affairs or other matters.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following exhibits are filed as part of this Quarterly Report:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:0.1%"/><td style="width:1.556%"/><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:85.431%"/><td style="width:0.1%"/></tr><tr><td colspan="6" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Exhibit No.</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">Exhibit Description</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3.1</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1587732/000158773218000031/amendedandrestatedcertific.htm">Amended Certificate of Incorporation of ONE Gas, Inc., dated May 24, 2018 (incorporated by reference to Exhibit 3.1 to ONE Gas, Inc.&#8217;s Current Report on Form 8-K filed on May 30, 2018 (File No. 1-36108)).</a></span></div></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3.2</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1587732/000119312526332771/d139330dex31.htm">Amended and Restated By-Laws of ONE Gas, Inc. dated August 4, 2026 (incorporated by reference to Exhibit 3.1 to ONE Gas, Inc.&#8217;s Current Report on Form 8-K filed on August 4, 2026 (File No. 1-36108)).</a></span></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">10.1</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1587732/000119312526137922/d47083ddef14a.htm">ONE Gas, Inc. Amended and Restated Employee Stock Purchase Plan, effective May 21, 2026 (incorporated by reference to Appendix B to ONE Gas, Inc.&#8217;s Definitive Proxy Statement on Schedule 14A filed on April 1, 2026 (File No. 1-36108)).</a></span></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">31.1</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="ogs10-qkxmmddyyyyexhibit311.htm">Certification of Robert S. McAnnally pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</a></span></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">39</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="-sec-extract:summary;text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:0.1%"/><td style="width:1.556%"/><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:85.431%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">31.2</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="ogs10-qkxmmddyyyyexhibit312.htm">Certification of Christopher P. Sighinolfi pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</a></span></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">32.1</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="ogs10-qkxmmddyyyyexhibit321.htm">Certification of Robert S. McAnnally pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)).</a></span></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">32.2</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="ogs10-qkxmmddyyyyexhibit322.htm">Certification of Christopher P. Sighinolfi pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)). </a></span></div></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:0.1%"/><td style="width:1.556%"/><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:85.431%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.INS</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:justify;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.SCH</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Schema Document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.CAL</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Calculation Linkbase Document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.LAB</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Label Linkbase Document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.PRE</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Presentation Linkbase Document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">101.DEF</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">XBRL Extension Definition Linkbase Document.</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">104</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:justify;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101).</span></td></tr></table></div><div><span><br/></span></div><div id="i94c0cebfef024ece8e79580079334c43_619"></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Attached as Exhibit 101 to this Quarterly Report are the following XBRL-related documents: (i) Document and Entity Information; (ii) Consolidated Statements of Income for the three and six months ended June 30, 2026, and 2025; (iii) Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2026, and 2025; (iv) Consolidated Balance Sheets at June&#160;30, 2026 and December&#160;31, 2025; (v) Consolidated Statements of Cash Flows for the three and six months ended June 30, 2026, and 2025; (vi) Consolidated Statements of Equity for the three and six months ended June 30, 2026, and 2025; and (vii) Notes to Consolidated Financial Statements.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We also make available on our website the Interactive Data Files submitted as Exhibit 101 to this Quarterly Report.</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',serif;font-size:10pt;font-weight:400;line-height:120%">40</span></div></div></div><div id="i94c0cebfef024ece8e79580079334c43_622"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="text-align:justify"><span style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline" href="#i94c0cebfef024ece8e79580079334c43_22">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">SIGNATURE</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:50.290%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:3.145%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:43.265%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Date: August&#160;5, 2026</span></div></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">ONE Gas, Inc.</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Registrant</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">/s/ Christopher P. Sighinolfi</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Christopher P. Sighinolfi</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Senior Vice President and</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Chief Financial Officer</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">(Principal Financial Officer)</span></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">41</span></div></div></div></body></html>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>ogs10-qkxmmddyyyyexhibit311.htm
<DESCRIPTION>EX-31.1
<TEXT>
<html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2026 Workiva -->
<title>Document</title></head><body><div id="ic10e605c0fa64bfb838de19f7990c541_1"></div><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.1</font></div></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Certification</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">I, Robert S. McAnnally, certify that&#58;</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">I have reviewed this quarterly report on Form 10-Q of ONE Gas, Inc.&#59;</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">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><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">a)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">b)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">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="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">c)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">d)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">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><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">a)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">b)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">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><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;  August&#160;5, 2026</font></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline">&#47;s&#47; Robert S. McAnnally</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Robert S. McAnnally</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Chief Executive Officer</font></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>ogs10-qkxmmddyyyyexhibit312.htm
<DESCRIPTION>EX-31.2
<TEXT>
<html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2026 Workiva -->
<title>Document</title></head><body><div id="ibcf25ef85b1e420e9e2d8fe2fed9ed19_1"></div><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.2</font></div></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Certification</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">I, Christopher P. Sighinolfi, certify that&#58;</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">I have reviewed this quarterly report on Form 10-Q of ONE Gas, Inc.&#59;</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">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><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">a)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">b)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">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="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">c)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">d)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">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><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',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&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">a)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.24pt">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; 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<title>Document</title></head><body><div id="ie2c61bb3d3554249912a9d0411dcf9cc_1"></div><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 32.1</font></div></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:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">18 U.S.C. SECTION 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;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',serif;font-size:11pt;font-weight:700;line-height:120%">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">In connection with the Quarterly Report on Form 10-Q of ONE Gas, Inc. (the &#8220;Registrant&#8221;) for the period ending June&#160;30, 2026, as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, Robert S. McAnnally, Chief Executive Officer of the Registrant, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div><font><br></font></div><div style="padding-left:27pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">(1)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:15.34pt">the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934&#59; and</font></div><div style="padding-left:27pt"><font><br></font></div><div style="padding-left:27pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">(2)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:15.34pt">the information contained in the Report fairly presents, in all material respects, the financial condition of the Registrant and results of operations of the Registrant.</font></div><div style="padding-left:27pt"><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;text-decoration:underline">&#47;s&#47; Robert S. McAnnally</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">Robert S. McAnnally</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">Chief Executive Officer</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">August&#160;5, 2026</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">A signed original of this written statement required by Section 906, or other document authenticating, acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to ONE Gas, Inc. and will be retained by ONE Gas, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.</font></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
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<title>Document</title></head><body><div id="i8919d5f913ab46c2890c80ad6b116d27_1"></div><div style="min-height:42.75pt;width:100%"><div style="text-align:right"><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 32.2</font></div></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:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">18 U.S.C. SECTION 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;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',serif;font-size:11pt;font-weight:700;line-height:120%">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">In connection with the Quarterly Report on Form 10-Q of ONE Gas, Inc. (the &#8220;Registrant&#8221;) for the period ending June&#160;30, 2026, as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, Christopher P. Sighinolfi, Chief Financial Officer of the Registrant, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div><font><br></font></div><div style="padding-left:27pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">(1)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:15.34pt">the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934&#59; and</font></div><div style="padding-left:27pt"><font><br></font></div><div style="padding-left:27pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">(2)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.18pt">the information contained in the Report fairly presents, in all material respects, the financial condition and the results of operations of the Registrant.</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;text-decoration:underline">&#47;s&#47; Christopher P. Sighinolfi</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">Christopher P. Sighinolfi</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">Chief Financial Officer</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">August&#160;5, 2026 </font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">A signed original of this written statement required by Section 906, or other document authenticating, acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to ONE Gas, Inc. and will be retained by ONE Gas, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.</font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>9952173 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Notes)</link:definition>
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        <link:definition>9952174 - Disclosure - VARIABLE INTEREST ENTITES (Notes)</link:definition>
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      <link:roleType id="FairValueMeasuresandDisclosuresPolicies" roleURI="http://www.onegas.com/role/FairValueMeasuresandDisclosuresPolicies">
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        <link:definition>9955513 - Disclosure - REVENUE (Tables)</link:definition>
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        <link:definition>9955515 - Disclosure - LONG-TERM DEBT (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>9955516 - Disclosure - Leases, (Tables)</link:definition>
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      <link:roleType id="EquityTables" roleURI="http://www.onegas.com/role/EquityTables">
        <link:definition>9955517 - Disclosure - Equity (Tables)</link:definition>
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        <link:definition>9955518 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</link:definition>
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      <link:roleType id="EARNINGSPERSHARETables" roleURI="http://www.onegas.com/role/EARNINGSPERSHARETables">
        <link:definition>9955519 - Disclosure - EARNINGS PER SHARE (Tables)</link:definition>
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      <link:roleType id="CompensationRelatedCostsShareBasedPaymentsTables" roleURI="http://www.onegas.com/role/CompensationRelatedCostsShareBasedPaymentsTables">
        <link:definition>9955520 - Disclosure - Compensation Related Costs, Share Based Payments (Tables)</link:definition>
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      <link:roleType id="EMPLOYEEBENEFITPLANSTables" roleURI="http://www.onegas.com/role/EMPLOYEEBENEFITPLANSTables">
        <link:definition>9955521 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables)</link:definition>
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      <link:roleType id="IncomeTaxesTables" roleURI="http://www.onegas.com/role/IncomeTaxesTables">
        <link:definition>9955522 - Disclosure - Income Taxes (Tables)</link:definition>
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      <link:roleType id="OTHERINCOMEANDOTHEREXPENSETables" roleURI="http://www.onegas.com/role/OTHERINCOMEANDOTHEREXPENSETables">
        <link:definition>9955523 - Disclosure - OTHER INCOME AND OTHER EXPENSE (Tables)</link:definition>
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      <link:roleType id="PropertyPlantandEquipmentTables" roleURI="http://www.onegas.com/role/PropertyPlantandEquipmentTables">
        <link:definition>9955524 - Disclosure - Property, Plant, and Equipment (Tables)</link:definition>
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      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSTables" roleURI="http://www.onegas.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSTables">
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        <link:definition>9955530 - Disclosure - CREDIT FACILITIES (Details)</link:definition>
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        <link:definition>9955533 - Disclosure - EQUITY (Details)</link:definition>
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        <link:definition>9955534 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)</link:definition>
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        <link:definition>9955535 - Disclosure - EARNINGS PER SHARE (Details)</link:definition>
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        <link:definition>9955537 - Disclosure - EMPLOYEE BENEFIT PLANS (Details)</link:definition>
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        <link:definition>9955538 - Disclosure - INCOME TAXES (Details)</link:definition>
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        <link:definition>9955539 - Disclosure - OTHER INCOME AND OTHER EXPENSE (Details)</link:definition>
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        <link:definition>9955540 - Disclosure - Property, Plant, and Equipment (Details)</link:definition>
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  <xs:element id="ogs_REVENUEDomain" abstract="true" name="REVENUEDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_NaturalgassalestocustomersMember" abstract="true" name="NaturalgassalestocustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_TransportationrevenuesMember" abstract="true" name="TransportationrevenuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_SecuritizationCustomerChargesMember" abstract="true" name="SecuritizationCustomerChargesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_MiscellaneousrevenuesMember" abstract="true" name="MiscellaneousrevenuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_OtherrevenuesnaturalgassalesrelatedMember" abstract="true" name="OtherrevenuesnaturalgassalesrelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_OtherrevenuesMember" abstract="true" name="OtherrevenuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_WinterWeatherEventCostsMember" abstract="true" name="WinterWeatherEventCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_UnderrecoveredpurchasedgascostsMember" abstract="true" name="UnderrecoveredpurchasedgascostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_MGPCostsMemberMember" abstract="true" name="MGPCostsMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_AdvaloremtaxMember" abstract="true" name="AdvaloremtaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_WeathernormalizationMember" abstract="true" name="WeathernormalizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_CustomerCreditDeferralsMember" abstract="true" name="CustomerCreditDeferralsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_OtherregulatoryassetsMember" abstract="true" name="OtherregulatoryassetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_IncometaxratechangesMemberDomain" abstract="true" name="IncometaxratechangesMemberDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_OverrecoveredpurchasedgascostsMember" abstract="true" name="OverrecoveredpurchasedgascostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_OtherRegulatoryLiabilitiesMember" abstract="true" name="OtherRegulatoryLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_Netregulatoryassetsandliabilitiescurrent" abstract="false" name="Netregulatoryassetsandliabilitiescurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_Netregulatoryassetsandliabilitiesnoncurrent" abstract="false" name="Netregulatoryassetsandliabilitiesnoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_LineofCreditFacilitySublimit" abstract="false" name="LineofCreditFacilitySublimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" abstract="false" name="LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_LineOfCreditFacilityAmountOutstanding" abstract="false" name="LineOfCreditFacilityAmountOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_ApprovedDebtToCapitalRatio" abstract="false" name="ApprovedDebtToCapitalRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" abstract="false" name="RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_CommercialPaperMaximumBorrowingCapacity" abstract="false" name="CommercialPaperMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_CommercialPaperMaximumMaturityTerm" abstract="false" name="CommercialPaperMaximumMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ogs_A510SeniorUnsecuredNotesDue2029Member" abstract="true" name="A510SeniorUnsecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A200SeniorUnsecuredNotesDue2030Member" abstract="true" name="A200SeniorUnsecuredNotesDue2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A425SeniorUnsecuredNotesDue2032Member" abstract="true" name="A425SeniorUnsecuredNotesDue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A4658SeniorUnsecuredNotesDue2044Member" abstract="true" name="A4658SeniorUnsecuredNotesDue2044Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A450SeniorUnsecuredNotesDue2048Member" abstract="true" name="A450SeniorUnsecuredNotesDue2048Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_TotalSeniorUnsecuredNotesMember" abstract="true" name="TotalSeniorUnsecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" abstract="true" name="A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A800OtherLongTermDebtMember" abstract="true" name="A800OtherLongTermDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_A4.960UnsecuredTermLoanDue2026Member" abstract="true" name="A4.960UnsecuredTermLoanDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_UnsecuredTermLoanDue2026Member" abstract="true" name="UnsecuredTermLoanDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" abstract="false" name="DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" abstract="false" name="DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_DebtInstrumentReferenceRate" abstract="false" name="DebtInstrumentReferenceRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_LesseeOperatingLeaseMinimumTermOfContract" abstract="false" name="LesseeOperatingLeaseMinimumTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" abstract="true" name="ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsDomain" abstract="true" name="ScheduleOfOutstandingEquityForwardSaleAgreementsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_September112023EquityForwardAgreementMember" abstract="true" name="September112023EquityForwardAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_September152023EquityForwardAgreementMember" abstract="true" name="September152023EquityForwardAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_June2026AtTheMarketEquityProgramMember" abstract="true" name="June2026AtTheMarketEquityProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_May2025EquityForwardAgreementMember" abstract="true" name="May2025EquityForwardAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_AtTheMarketProgramMember" abstract="true" name="AtTheMarketProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_CommonStockAuthorizedAndAvailableForIssuance" abstract="false" name="CommonStockAuthorizedAndAvailableForIssuance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" abstract="false" name="ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" abstract="false" name="ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" abstract="false" name="ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" abstract="false" name="ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToEquitySharesWithExtendedMaturityDate" abstract="false" name="ForwardContractIndexedToEquitySharesWithExtendedMaturityDate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_AttheMarketEquityProgramAggregateOfferingPriceLimit" abstract="false" name="AttheMarketEquityProgramAggregateOfferingPriceLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_EquityAvailableForIssuance" abstract="false" name="EquityAvailableForIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_CommonStockDividendsPerShareCashPaidQuarterly" abstract="false" name="CommonStockDividendsPerShareCashPaidQuarterly" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="ogs_CommonStockDividendsDeclaredAnnualizedBasis" abstract="false" name="CommonStockDividendsDeclaredAnnualizedBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" abstract="false" name="ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" abstract="false" name="ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" abstract="false" name="ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" abstract="false" name="ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" abstract="false" name="DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanRegulatoryAdjustments" abstract="false" name="DefinedBenefitPlanRegulatoryAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_ForfeitureRateMaximumInHundredths" abstract="false" name="ForfeitureRateMaximumInHundredths" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesGranted" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesGranted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" abstract="false" name="MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths" abstract="false" name="PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan" abstract="false" name="PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_SharesSoldUnderEmployeeStockPurchasePlan" abstract="false" name="SharesSoldUnderEmployeeStockPurchasePlan" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" abstract="false" name="SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="ogs_A401kPlanMember" abstract="true" name="A401kPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_InvestmentGradeBondsMember" abstract="true" name="InvestmentGradeBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_USLargeCapEquityMember" abstract="true" name="USLargeCapEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_AlternativeInvestmentsMember" abstract="true" name="AlternativeInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_DevelopedForeignEquitiesMember" abstract="true" name="DevelopedForeignEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_MidCapEquitiesMember" abstract="true" name="MidCapEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_EmergingMarketEquitiesMember" abstract="true" name="EmergingMarketEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_SmallCapEquitiesMember" abstract="true" name="SmallCapEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_GovernmentObligationsMember" abstract="true" name="GovernmentObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_CorporateObligationsMember" abstract="true" name="CorporateObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_CashAndMoneyMarketFundsMember" abstract="true" name="CashAndMoneyMarketFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_InsuranceContractsAndGroupAnnuityContractsMember" abstract="true" name="InsuranceContractsAndGroupAnnuityContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_InvestmentsAtFairValueHierarchyTotalMember" abstract="true" name="InvestmentsAtFairValueHierarchyTotalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_AccruedInterestMember" abstract="true" name="AccruedInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_NonserviceCostsMember" abstract="true" name="NonserviceCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" abstract="false" name="Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" abstract="false" name="DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum" abstract="false" name="DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMinimum" abstract="false" name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" abstract="false" name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossBeforeRegulatoryAssetsAndTaxes" abstract="false" name="DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossBeforeRegulatoryAssetsAndTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_OtherPostretirementBenefitsPlanAssetsTargetAllocationPercentage" abstract="false" name="OtherPostretirementBenefitsPlanAssetsTargetAllocationPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncrease" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_DefinedBenefitPlanBenefitsPaid" abstract="false" name="DefinedBenefitPlanBenefitsPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" abstract="false" name="RegulatoryDeferralOfNetPeriodicBenefitCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_CapitalizedNonServiceCostComponents" abstract="false" name="CapitalizedNonServiceCostComponents" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_RequestedRefundFrom2022AmendedFederalTaxReturn" abstract="false" name="RequestedRefundFrom2022AmendedFederalTaxReturn" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="ogs_TaxEffectOfPermanentDifferences" abstract="false" name="TaxEffectOfPermanentDifferences" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="ogs_TaxEffectOfStateIncomeTaxDeduction" abstract="false" name="TaxEffectOfStateIncomeTaxDeduction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" abstract="false" name="TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="ogs_AmortizationOfEDITRegulatoryLiabilityStateTax" abstract="false" name="AmortizationOfEDITRegulatoryLiabilityStateTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" abstract="true" name="UnrealizedGainLossOnMarketableEquitySecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="ogs_Numberofsiteswithongoinggroundwatermonitoring" abstract="false" name="Numberofsiteswithongoinggroundwatermonitoring" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" abstract="false" name="NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
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  <xs:element id="ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" abstract="false" name="RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="ogs_MasterNettingArrangementMember" abstract="true" name="MasterNettingArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" abstract="false" name="Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_FairValueAssetsTransfersbetweenLevels" abstract="false" name="FairValueAssetsTransfersbetweenLevels" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_SecuritizedUtilityTariffBonds" abstract="false" name="SecuritizedUtilityTariffBonds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_DiscountsAndIssuanceCostsForSecuritizedUtilityTariffBondsExcludingCurrentMaturities" abstract="false" name="DiscountsAndIssuanceCostsForSecuritizedUtilityTariffBondsExcludingCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_VariableInterestEntityMeasureOfActivityIncomeTax" abstract="false" name="VariableInterestEntityMeasureOfActivityIncomeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ogs_VariableInterestEntityMeasureOfActivityNetIncome" abstract="false" name="VariableInterestEntityMeasureOfActivityNetIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>7
<FILENAME>ogs-20260630_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
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<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>9
<FILENAME>ogs-20260630_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

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<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
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    <link:label id="lab_us-gaap_PostemploymentBenefitPlansPolicy_019ce809-fa2c-7ec6-a152-00adab91c7e8_terseLabel_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitPlansPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Postemployment Benefit Plans, Policy</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019ce809-fa2c-7e24-b920-f3ebff6d4afe_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Expected return on assets</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Return (Loss) on Plan Assets</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Expected Benefit Payments [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock"/>
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    <link:label id="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts_019ce809-fa2c-7a44-83dc-51f09caf8e98_terseLabel_en-US" xlink:label="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Deferral of net periodic benefit costs</link:label>
    <link:label id="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts_label_en-US" xlink:label="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Deferral of net periodic benefit costs</link:label>
    <link:label id="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts_documentation_en-US" xlink:label="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Deferral of net periodic benefit costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:href="ogs-20260630.xsd#ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:to="lab_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock_019ce809-fa2c-7dd1-a4ee-7cab665fbb2b_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Nonvested Performance-Based Units Activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Nonvested Performance-Based Units Activity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_019ce809-fa2c-75d1-9edc-2640b8464320_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember_019ce809-fa2d-7bbe-8ebc-ab2eb0093f84_terseLabel_en-US" xlink:label="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance Contracts and Group Annuity Contracts</link:label>
    <link:label id="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember_label_en-US" xlink:label="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insurance Contracts and Group Annuity Contracts [Member]</link:label>
    <link:label id="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember_documentation_en-US" xlink:label="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Insurance Contracts and Group Annuity Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:href="ogs-20260630.xsd#ogs_InsuranceContractsAndGroupAnnuityContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:to="lab_ogs_InsuranceContractsAndGroupAnnuityContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_019ce809-faae-702c-85fd-a54485601b8b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_019ce809-fa2d-7c05-8315-95642a8c419e_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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_AdditionalPaidInCapitalMember_019ce809-fa2d-7815-86b1-84ff78c3baf3_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Paid-in Capital [Member]</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" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_WinterWeatherEventCostsMember_019ce809-faae-794b-ba44-bcb07d39eef6_terseLabel_en-US" xlink:label="lab_ogs_WinterWeatherEventCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Winter weather event costs</link:label>
    <link:label id="lab_ogs_WinterWeatherEventCostsMember_label_en-US" xlink:label="lab_ogs_WinterWeatherEventCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Winter weather event costs [Member]</link:label>
    <link:label id="lab_ogs_WinterWeatherEventCostsMember_documentation_en-US" xlink:label="lab_ogs_WinterWeatherEventCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Winter weather event costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_WinterWeatherEventCostsMember" xlink:href="ogs-20260630.xsd#ogs_WinterWeatherEventCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_WinterWeatherEventCostsMember" xlink:to="lab_ogs_WinterWeatherEventCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_AtTheMarketProgramMember_019ce809-fa2c-75f6-a542-1b7a4642a830_terseLabel_en-US" xlink:label="lab_ogs_AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At-The-Market Program</link:label>
    <link:label id="lab_ogs_AtTheMarketProgramMember_label_en-US" xlink:label="lab_ogs_AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At-The-Market Program [Member]</link:label>
    <link:label id="lab_ogs_AtTheMarketProgramMember_documentation_en-US" xlink:label="lab_ogs_AtTheMarketProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">At-The-Market Program</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AtTheMarketProgramMember" xlink:href="ogs-20260630.xsd#ogs_AtTheMarketProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AtTheMarketProgramMember" xlink:to="lab_ogs_AtTheMarketProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_PurchaseCommitmentAmountPaid_019fbfa3-fe08-7802-b0ce-c8c5a15875ed_terseLabel_en-US" xlink:label="lab_ogs_PurchaseCommitmentAmountPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Amount Paid</link:label>
    <link:label id="lab_ogs_PurchaseCommitmentAmountPaid_label_en-US" xlink:label="lab_ogs_PurchaseCommitmentAmountPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Amount Paid</link:label>
    <link:label id="lab_ogs_PurchaseCommitmentAmountPaid_documentation_en-US" xlink:label="lab_ogs_PurchaseCommitmentAmountPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Amount Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_PurchaseCommitmentAmountPaid" xlink:href="ogs-20260630.xsd#ogs_PurchaseCommitmentAmountPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_PurchaseCommitmentAmountPaid" xlink:to="lab_ogs_PurchaseCommitmentAmountPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_CapitalizedNonServiceCostComponents_019ce809-fa2c-790c-ac55-b410db17a401_negatedTerseLabel_en-US" xlink:label="lab_ogs_CapitalizedNonServiceCostComponents" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Capitalized non-service cost components</link:label>
    <link:label id="lab_ogs_CapitalizedNonServiceCostComponents_label_en-US" xlink:label="lab_ogs_CapitalizedNonServiceCostComponents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized non-service cost components</link:label>
    <link:label id="lab_ogs_CapitalizedNonServiceCostComponents_documentation_en-US" xlink:label="lab_ogs_CapitalizedNonServiceCostComponents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capitalized non-service cost components</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CapitalizedNonServiceCostComponents" xlink:href="ogs-20260630.xsd#ogs_CapitalizedNonServiceCostComponents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CapitalizedNonServiceCostComponents" xlink:to="lab_ogs_CapitalizedNonServiceCostComponents" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_019ce809-faaf-7878-bc5c-fdac00625226_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_019ce809-faaf-7a8f-962d-b1ead6ac4310_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:to="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LeasesAbstract_019ce809-fa2c-7f5c-9d1d-294f9d89d984_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases [Abstract]</link:label>
    <link:label id="lab_us-gaap_LeasesAbstract_label_en-US" xlink:label="lab_us-gaap_LeasesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeasesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAbstract" xlink:to="lab_us-gaap_LeasesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_019ce809-fa2c-7a88-b552-9f48c7f6146d_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic EPS Calculation</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract" xlink:to="lab_us-gaap_EarningsPerShareBasicAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum_019ce809-faaf-7de0-ba4e-fd1cd136de53_terseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum_documentation_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:to="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_SignificantAccountingPoliciesLineItems_019ce809-fa2d-71c3-b9ef-b46d6785dc3a_terseLabel_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Line Items]</link:label>
    <link:label id="lab_ogs_SignificantAccountingPoliciesLineItems_label_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Line Items]</link:label>
    <link:label id="lab_ogs_SignificantAccountingPoliciesLineItems_documentation_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line items for Significant accounting policies of the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SignificantAccountingPoliciesLineItems" xlink:href="ogs-20260630.xsd#ogs_SignificantAccountingPoliciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SignificantAccountingPoliciesLineItems" xlink:to="lab_ogs_SignificantAccountingPoliciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_019ce809-faaf-7ca4-8d6b-767b18e1def0_terseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recently Issued Accounting Standards Update</link:label>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
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    <link:label id="lab_ogs_CommitmentsandContingenciesTable_label_en-US" xlink:label="lab_ogs_CommitmentsandContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies [Table]</link:label>
    <link:label id="lab_ogs_CommitmentsandContingenciesTable_documentation_en-US" xlink:label="lab_ogs_CommitmentsandContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of commitments and contingencies [Table]</link:label>
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    <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" xml:lang="en-US">Increase (Decrease) in Accounts Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid_019ce809-faaf-7d59-847b-4dc1f1059712_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in Progress Expenditures Incurred but Not yet Paid</link:label>
    <link:label id="lab_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in Progress Expenditures Incurred but Not yet Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid"/>
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    <link:label id="lab_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionFrequency_label_en-US" xlink:label="lab_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionFrequency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investment Redemption, Frequency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionFrequency" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionFrequency"/>
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    <link:label id="lab_ogs_A200SeniorUnsecuredNotesDue2030Member_label_en-US" xlink:label="lab_ogs_A200SeniorUnsecuredNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.00% Senior Unsecured Notes Due 2030 [Member]</link:label>
    <link:label id="lab_ogs_A200SeniorUnsecuredNotesDue2030Member_documentation_en-US" xlink:label="lab_ogs_A200SeniorUnsecuredNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.00% Senior Unsecured Notes Due 2030</link:label>
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    <link:label id="lab_us-gaap_EarningsPerShareBasic_019ce809-fa2c-76ca-b418-eae2c8c688aa_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_019ce809-fa2c-793f-adb7-3c27255501e5_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</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" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
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    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_019ce809-fa2d-75a0-828d-59fdf690b78b_terseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain_label_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeDomain"/>
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    <link:label id="lab_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock_019ce809-fa2d-74b7-bc0d-b5b9d6983a0e_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Health Care Cost Trend Rates</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Health Care Cost Trend Rates [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock"/>
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    <link:label id="lab_dei_DocumentInformationDocumentAxis_019ce809-fa2c-7e00-bbf3-5cee7ac5a9a0_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationDocumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information, Document [Axis]</link:label>
    <link:label id="lab_dei_DocumentInformationDocumentAxis_label_en-US" xlink:label="lab_dei_DocumentInformationDocumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information, Document [Axis]</link:label>
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    <link:label id="lab_ogs_REVENUEDomain_019ce809-faae-7d09-93ba-ab492d0037c2_terseLabel_en-US" xlink:label="lab_ogs_REVENUEDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">REVENUE [Domain]</link:label>
    <link:label id="lab_ogs_REVENUEDomain_label_en-US" xlink:label="lab_ogs_REVENUEDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">REVENUE [Domain]</link:label>
    <link:label id="lab_ogs_REVENUEDomain_documentation_en-US" xlink:label="lab_ogs_REVENUEDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Revenues disaggregated by source.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_REVENUEDomain" xlink:href="ogs-20260630.xsd#ogs_REVENUEDomain"/>
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    <link:label id="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_019ce809-fa2d-7681-83e3-f15a0aeade0b_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Capital Shares Reserved for Future Issuance</link:label>
    <link:label id="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_label_en-US" xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Capital Shares Reserved for Future Issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
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    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerTextBlock_019ce809-fa2c-71cf-bedb-0acaa094a8db_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerTextBlock_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
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    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets_019ce809-fa2c-75e5-875c-8db3c77f69a4_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesRegulatoryAssets"/>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax_019ce809-f98c-7e4b-866a-89dcef61dce4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax</link:label>
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    <link:label id="lab_us-gaap_DeferredTaxAssetsGross_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Gross</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfStockByClassTable_019ce809-fa2c-7d3b-b672-37a774c44ecb_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfStockByClassTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock, Class of Stock [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfStockByClassTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfStockByClassTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock, Class of Stock [Table]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnbilledReceivablesCurrent" xlink:to="lab_us-gaap_UnbilledReceivablesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019ce809-fa2c-79c3-8a08-a8010c8d8b71_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019ce809-fa2c-7fef-b819-2c639fddb920_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_InvestmentGradeBondsMember_019ce809-faae-7897-a88d-9886201ac2c3_terseLabel_en-US" xlink:label="lab_ogs_InvestmentGradeBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment grade bonds</link:label>
    <link:label id="lab_ogs_InvestmentGradeBondsMember_label_en-US" xlink:label="lab_ogs_InvestmentGradeBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment grade bonds [Member]</link:label>
    <link:label id="lab_ogs_InvestmentGradeBondsMember_documentation_en-US" xlink:label="lab_ogs_InvestmentGradeBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment grade bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_InvestmentGradeBondsMember" xlink:href="ogs-20260630.xsd#ogs_InvestmentGradeBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_InvestmentGradeBondsMember" xlink:to="lab_ogs_InvestmentGradeBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_019ce809-fa2c-71eb-a12a-10ae19b22453_terseLabel_en-US" xlink:label="lab_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends Payable, Date to be Paid</link:label>
    <link:label id="lab_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_label_en-US" xlink:label="lab_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Payable, Date to be Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="lab_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_019ce809-faaf-711b-89af-ffc9a2beb04b_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_019ce809-fa2d-738f-b118-e0f1db926947_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulation Status [Axis]</link:label>
    <link:label id="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_label_en-US" xlink:label="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulation Status [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:to="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_019ce809-fa2d-7a50-9824-eaeec6566500_terseLabel_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ONE Gas Pension Plans [Member]</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" xml:lang="en-US">Pension Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ShareBasedCompensation_019ce809-fa2c-7fdf-adeb-224404caa77e_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation expense</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Noncash Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation" xlink:to="lab_us-gaap_ShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_019ce809-faae-79dc-9a3e-800da9807d89_terseLabel_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_label_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilities Operating Expense, Depreciation and Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:to="lab_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax_019ce809-fa2c-7cb5-a625-cf9ecbdd8f9b_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Measure of Activity, Income or Loss before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax" xlink:to="lab_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PensionCostsMember_019ce809-fa2d-7867-9563-ab0c9240b5c4_terseLabel_en-US" xlink:label="lab_us-gaap_PensionCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension and postretirement benefit costs, net [Member]</link:label>
    <link:label id="lab_us-gaap_PensionCostsMember_label_en-US" xlink:label="lab_us-gaap_PensionCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Costs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionCostsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionCostsMember" xlink:to="lab_us-gaap_PensionCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019ce809-fa2c-71de-883d-1e34e68cedb3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_019ce809-faaf-7fa9-bfe0-e56ed148dc55_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueAbstract_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disaggregation of Revenue [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueAbstract" xlink:to="lab_us-gaap_DisaggregationOfRevenueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsAndOtherNoncurrentAssets_019ce809-fa2d-72e1-9b41-72fa1bac0703_totalLabel_en-US" xlink:label="lab_us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total goodwill and other assets</link:label>
    <link:label id="lab_us-gaap_InvestmentsAndOtherNoncurrentAssets_label_en-US" xlink:label="lab_us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments and Other Noncurrent Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsAndOtherNoncurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:to="lab_us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_019ce809-f98c-72b1-b207-13ca439f3acd_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:to="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetImpairmentCharges_019ce809-fa2c-726a-8dd9-7d674c4ab354_terseLabel_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset Impairment Charges</link:label>
    <link:label id="lab_us-gaap_AssetImpairmentCharges_label_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Impairment Charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetImpairmentCharges" xlink:to="lab_us-gaap_AssetImpairmentCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquity_019ce809-faaf-77c2-bdda-2f792b6f7328_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_019ce809-faaf-7f10-a2d0-ee2ed6f09dd2_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Equity, beginning balance</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_019ce809-faaf-7ce9-b51f-35aca0f797eb_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Equity, ending balance</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_AllocatedShareBasedCompensationExpense_019ce809-fa2c-72d5-a43f-580583297025_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Expense</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_019ce809-fa2c-7437-939f-705099f04742_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
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    <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" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
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    <link:label id="lab_us-gaap_StateAndLocalJurisdictionMember_019ce809-fa2d-7d21-8192-9a0da4b1fda3_terseLabel_en-US" xlink:label="lab_us-gaap_StateAndLocalJurisdictionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State and Local Jurisdiction</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable_019ce809-faae-7580-8da0-b071331912a2_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued taxes other than income</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Property and Other Taxes Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable" xlink:to="lab_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_019ce809-fa2c-7120-a713-7617c64f2c82_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Maturity</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_019ce809-fa2c-7748-b0fb-139d0df4229d_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="lab_us-gaap_DebtInstrumentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ce809-faae-771a-9641-2c98cf8ed66c_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
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    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_019ce809-faae-7dfe-994a-c1c12d353159_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock"/>
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    <link:label id="lab_us-gaap_OperatingLeaseLiability_019ce809-fa2c-7e63-be23-6606d86b7b13_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiability_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability" xlink:to="lab_us-gaap_OperatingLeaseLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent_019ce809-fa2c-7c16-aa82-d89c3e324e74_terseLabel_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction, Percent</link:label>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent_label_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction, Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent_documentation_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction, Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent" xlink:href="ogs-20260630.xsd#ogs_TaxEffectOfStateIncomeTaxDeductionEffectiveIncomeTaxRateReconciliationPercent"/>
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    <link:label id="lab_ogs_FairValueAssetsTransfersbetweenLevels_019ce809-f98c-71ed-8d47-630661705995_terseLabel_en-US" xlink:label="lab_ogs_FairValueAssetsTransfersbetweenLevels" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Assets, Transfers between Levels</link:label>
    <link:label id="lab_ogs_FairValueAssetsTransfersbetweenLevels_label_en-US" xlink:label="lab_ogs_FairValueAssetsTransfersbetweenLevels" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Assets, Transfers between Levels</link:label>
    <link:label id="lab_ogs_FairValueAssetsTransfersbetweenLevels_documentation_en-US" xlink:label="lab_ogs_FairValueAssetsTransfersbetweenLevels" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers of assets measured on a recurring basis between levels of the fair value hierarchy.</link:label>
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    <link:label id="lab_us-gaap_OtherAssetsMember_019ce809-fa2c-73bf-bea7-458f31a48022_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other 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" xml:lang="en-US">Other Assets [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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    <link:label id="lab_ogs_IRS2022IncomeTaxReturnInterest_label_en-US" xlink:label="lab_ogs_IRS2022IncomeTaxReturnInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRS 2022 Income Tax Return, Interest</link:label>
    <link:label id="lab_ogs_IRS2022IncomeTaxReturnInterest_documentation_en-US" xlink:label="lab_ogs_IRS2022IncomeTaxReturnInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRS 2022 Income Tax Return, Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IRS2022IncomeTaxReturnInterest" xlink:href="ogs-20260630.xsd#ogs_IRS2022IncomeTaxReturnInterest"/>
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    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ce809-faaf-7bf1-ba40-bf34cd9907e5_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income before income taxes</link:label>
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    <link:label id="lab_ogs_MasterNettingArrangementMember_label_en-US" xlink:label="lab_ogs_MasterNettingArrangementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Master Netting Arrangement [Member]</link:label>
    <link:label id="lab_ogs_MasterNettingArrangementMember_documentation_en-US" xlink:label="lab_ogs_MasterNettingArrangementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Master Netting Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_MasterNettingArrangementMember" xlink:href="ogs-20260630.xsd#ogs_MasterNettingArrangementMember"/>
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    <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" xml:lang="en-US">Other Liabilities, Noncurrent</link:label>
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    <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" xml:lang="en-US">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_AccrualForTaxesOtherThanIncomeTaxesCurrent_019ce809-fa2d-7f9c-b2b5-a77519b21a31_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued taxes other than income</link:label>
    <link:label id="lab_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_label_en-US" xlink:label="lab_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual for Taxes Other than Income Taxes, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:to="lab_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_019ce809-fa2c-7d39-86c6-1cd5064b8585_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_AuditorInformationAbstract_019ce809-fa2d-7b40-bb1b-7fbe549b07c3_terseLabel_en-US" xlink:label="lab_ogs_AuditorInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Information [Abstract]</link:label>
    <link:label id="lab_ogs_AuditorInformationAbstract_label_en-US" xlink:label="lab_ogs_AuditorInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Information [Abstract]</link:label>
    <link:label id="lab_ogs_AuditorInformationAbstract_documentation_en-US" xlink:label="lab_ogs_AuditorInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Auditor Information</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AuditorInformationAbstract" xlink:href="ogs-20260630.xsd#ogs_AuditorInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AuditorInformationAbstract" xlink:to="lab_ogs_AuditorInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_019ce809-fa2d-7f1a-8741-88958e72a527_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [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" xml:lang="en-US">Variable Interest Entity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_StatementOfCashFlowsAbstract_019ce809-f98c-7c1b-8a6f-dd3dbf1a3afe_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_019ce809-fa2c-7b50-8e82-1d05ea2042f0_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, current maturities, net of issuance costs</link:label>
    <link:label id="lab_us-gaap_LongTermDebtCurrent_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Current Maturities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent" xlink:to="lab_us-gaap_LongTermDebtCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherIntangibleAssetsNet_019ce809-fa2d-71b0-bff2-a0f2d6b20fe1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other intangible assets, net</link:label>
    <link:label id="lab_us-gaap_OtherIntangibleAssetsNet_label_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Intangible Assets, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsNet" xlink:to="lab_us-gaap_OtherIntangibleAssetsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_019ce809-faae-7cf6-b542-e7c7f58df51b_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Contributions by Employer</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Contributions by Employer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:to="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_019ce809-faaf-7b76-822d-100239a5a753_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityTable" xlink:to="lab_us-gaap_LineOfCreditFacilityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetRetirementObligationsPolicy_019ce809-fa2c-7754-81ff-d5dc4045035b_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationsPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset Retirement Obligation</link:label>
    <link:label id="lab_us-gaap_AssetRetirementObligationsPolicy_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Retirement Obligation [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsPolicy" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationsPolicy"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetRetirementObligationsPolicy" xlink:to="lab_us-gaap_AssetRetirementObligationsPolicy" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_019ce809-fa2c-7aad-812b-040e725c215f_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:to="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock_019ce809-faaf-74b8-bd3f-457ebc6ccdc5_terseLabel_en-US" xlink:label="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum Allowable Percentage Of Annual Base Pay Withheld To Purchase Our Common Stock</link:label>
    <link:label id="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock_label_en-US" xlink:label="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Allowable Percentage Of Annual Base Pay Withheld To Purchase Our Common Stock</link:label>
    <link:label id="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock_documentation_en-US" xlink:label="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Allowable Percentage Of Annual Base Pay Withheld To Purchase Our Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:href="ogs-20260630.xsd#ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:to="lab_ogs_MaximumAllowablePercentageOfAnnualBasePayWithheldToPurchaseOurCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OtherRegulatoryLiabilitiesMember_019ce809-fa2c-78ca-b68b-95b52d1bbed1_terseLabel_en-US" xlink:label="lab_ogs_OtherRegulatoryLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other regulatory liabilities</link:label>
    <link:label id="lab_ogs_OtherRegulatoryLiabilitiesMember_label_en-US" xlink:label="lab_ogs_OtherRegulatoryLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other regulatory liabilities [Member]</link:label>
    <link:label id="lab_ogs_OtherRegulatoryLiabilitiesMember_documentation_en-US" xlink:label="lab_ogs_OtherRegulatoryLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other regulatory liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OtherRegulatoryLiabilitiesMember" xlink:href="ogs-20260630.xsd#ogs_OtherRegulatoryLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OtherRegulatoryLiabilitiesMember" xlink:to="lab_ogs_OtherRegulatoryLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_019ce809-fa2d-73b5-9bbd-e5cefc6b5aaf_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_019ce809-f98c-7861-8bcd-d4b0c7b023ef_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next 12 Months</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next 12 Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAbstract_019ce809-faae-7c92-be46-b1165c089c54_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Abstract]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAbstract_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract" xlink:to="lab_us-gaap_LineOfCreditFacilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityCurrent_019ce809-faaf-7b54-8168-b20a1ccc263f_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityCurrent_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OthernetMember_019ce809-fa2c-712e-b927-48ebf12bd22f_terseLabel_en-US" xlink:label="lab_ogs_OthernetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other, net</link:label>
    <link:label id="lab_ogs_OthernetMember_label_en-US" xlink:label="lab_ogs_OthernetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other, net [Member]</link:label>
    <link:label id="lab_ogs_OthernetMember_documentation_en-US" xlink:label="lab_ogs_OthernetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Income and Expense, net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OthernetMember" xlink:href="ogs-20260630.xsd#ogs_OthernetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OthernetMember" xlink:to="lab_ogs_OthernetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_019ce809-fa2d-7c4b-9b59-686718e63d24_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_label_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="lab_us-gaap_ClassOfStockLineItems" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_019ce809-fa2c-761f-9a70-6843e3d83593_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax, Policy</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_019ce809-fa2d-7537-aa0a-69e288b9e5ad_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_ogs_CorporateObligationsMember_019ce809-fa2c-73c3-b688-dd03deb61772_terseLabel_en-US" xlink:label="lab_ogs_CorporateObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate Obligations</link:label>
    <link:label id="lab_ogs_CorporateObligationsMember_label_en-US" xlink:label="lab_ogs_CorporateObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Obligations [Member]</link:label>
    <link:label id="lab_ogs_CorporateObligationsMember_documentation_en-US" xlink:label="lab_ogs_CorporateObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CorporateObligationsMember" xlink:href="ogs-20260630.xsd#ogs_CorporateObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CorporateObligationsMember" xlink:to="lab_ogs_CorporateObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_019ce809-fa2d-796c-b2fa-02a59da5df88_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Plant in Service</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_USLargeCapEquityMember_019ce809-faae-714d-8137-64ed52fcb270_terseLabel_en-US" xlink:label="lab_ogs_USLargeCapEquityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US Large Cap Equity</link:label>
    <link:label id="lab_ogs_USLargeCapEquityMember_label_en-US" xlink:label="lab_ogs_USLargeCapEquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">US Large Cap Equity [Member]</link:label>
    <link:label id="lab_ogs_USLargeCapEquityMember_documentation_en-US" xlink:label="lab_ogs_USLargeCapEquityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">US Large Cap Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_USLargeCapEquityMember" xlink:href="ogs-20260630.xsd#ogs_USLargeCapEquityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_USLargeCapEquityMember" xlink:to="lab_ogs_USLargeCapEquityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_019ce809-faaf-7d46-b8ad-c52b0d1daf50_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Stock Units (RSUs)</link:label>
    <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock Units (RSUs) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:to="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember_019ce809-fa2c-74cd-9126-db406074c028_terseLabel_en-US" xlink:label="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on investments associated with nonqualified deferred compensation plans</link:label>
    <link:label id="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember_label_en-US" xlink:label="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (loss) on investments associated with nonqualified deferred compensation plans [Member]</link:label>
    <link:label id="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember_documentation_en-US" xlink:label="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain (loss) on investments associated with nonqualified deferred compensation plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:href="ogs-20260630.xsd#ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:to="lab_ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent_019ce809-fa2d-778e-94dd-5d91948bf774_negatedTerseLabel_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets and liabilities, noncurrent, net</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent_label_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent_documentation_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:href="ogs-20260630.xsd#ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:to="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019ce809-fa2d-7547-9fab-e50bfa65bf30_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_019ce809-fa2d-7950-9084-8acc489973f5_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</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" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_EntityEmergingGrowthCompany_019ce809-faae-7a71-a950-0f984989ce3c_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_CommonStockDividendsPerShareDeclared_019ce809-faae-7124-a7dd-35fc7bee4e08_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</link:label>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
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    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_019ce809-fa2d-78ed-b23c-698ea108546f_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_019ce809-fa2c-7bc4-baea-5b222fc3905b_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:to="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_019ce809-fa2d-7c40-86ec-b16217fe1060_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
    <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_label_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_June2026AtTheMarketEquityProgramMember_019fa408-0a7d-765e-805c-0270021c5a4c_terseLabel_en-US" xlink:label="lab_ogs_June2026AtTheMarketEquityProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2026 At-The-Market Equity Program</link:label>
    <link:label id="lab_ogs_June2026AtTheMarketEquityProgramMember_label_en-US" xlink:label="lab_ogs_June2026AtTheMarketEquityProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 2026 At-The-Market Equity Program [Member]</link:label>
    <link:label id="lab_ogs_June2026AtTheMarketEquityProgramMember_documentation_en-US" xlink:label="lab_ogs_June2026AtTheMarketEquityProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 2026 At-The-Market Equity Program</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_June2026AtTheMarketEquityProgramMember" xlink:href="ogs-20260630.xsd#ogs_June2026AtTheMarketEquityProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_June2026AtTheMarketEquityProgramMember" xlink:to="lab_ogs_June2026AtTheMarketEquityProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_019ce809-faaf-7c54-add9-ebc87e5719ec_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_DeferredFinanceCostsNet_019ce809-faaf-7ed8-9091-afb6757e3adc_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Net</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
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    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_019ce809-fa2d-73d2-ade0-bcfd0e2fac9a_terseLabel_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_label_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019ce809-fa2c-7ed8-af2f-bca0317ab9a5_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</link:label>
    <link:label id="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_label_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:to="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GasDistributionEquipmentMember_019ce809-fa2c-770b-80dd-a562ea4c8599_terseLabel_en-US" xlink:label="lab_us-gaap_GasDistributionEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gas Distribution Equipment</link:label>
    <link:label id="lab_us-gaap_GasDistributionEquipmentMember_label_en-US" xlink:label="lab_us-gaap_GasDistributionEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gas Distribution Equipment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GasDistributionEquipmentMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GasDistributionEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GasDistributionEquipmentMember" xlink:to="lab_us-gaap_GasDistributionEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_019ce809-fa2c-7bb5-9cb9-830cd61297df_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts, Premiums and Other Receivables</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_ShortTermDebtTextBlock_019ce809-fa2d-7aee-8044-03193caffe84_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt [Text Block]</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtTextBlock_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Debt [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTextBlock" xlink:to="lab_us-gaap_ShortTermDebtTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_019ce809-faaf-7a1e-912c-e3758e01c1d4_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalents" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_019ce809-fa2c-79a9-8970-ec32fdc5765f_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year One</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths"/>
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    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_019ce809-faaf-71f9-8679-94da173dcc2e_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther_019ce809-f98c-7864-8a9f-5853ba5745a9_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets and Liabilities - other</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther_label_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets and Liabilities - other</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther_documentation_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets and Liabilities - other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:to="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock_019ce809-faaf-73a6-99b2-082633dea99d_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Regulatory Assets and Liabilities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Regulatory Assets and Liabilities [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:to="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_019ce809-fa2d-7bb3-a6e2-7a8581a93f5c_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for doubtful accounts</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" xml:lang="en-US">Accounts Receivable, Credit Loss Expense (Reversal)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers_019ce809-faaf-71d4-b47f-d80f5ba78e6f_terseLabel_en-US" xlink:label="lab_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reduction in income tax expense for the amortization of the regulatory liability associated with excess ADIT that was returned to customers</link:label>
    <link:label id="lab_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers_label_en-US" xlink:label="lab_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reduction in income tax expense for the amortization of the regulatory liability associated with excess ADIT that was returned to customers</link:label>
    <link:label id="lab_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers_documentation_en-US" xlink:label="lab_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reduction in income tax expense for the amortization of the regulatory liability associated with excess ADIT that was returned to customers</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_019ce809-fa2c-7c2e-aed8-fb8e14874cc7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_019ce809-f98c-76ff-9e14-9510671753aa_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment Disclosure</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_019ce809-faaf-7610-a417-95951001c9e3_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
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    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares_019fa408-0a7d-7ddc-b332-47e64528c608_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Original Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Original Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Original Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares"/>
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    <link:label id="lab_us-gaap_PublicUtilitiesPolicyTextBlock_019ce809-faae-7069-a7d2-c54619b79acb_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public Utilities, Policy</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utilities, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPolicyTextBlock" xlink:to="lab_us-gaap_PublicUtilitiesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_MGPCostsMemberMember_019ce809-faaf-742c-a74d-63a058bb1420_terseLabel_en-US" xlink:label="lab_ogs_MGPCostsMemberMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MGP Costs [Member] [Member]</link:label>
    <link:label id="lab_ogs_MGPCostsMemberMember_label_en-US" xlink:label="lab_ogs_MGPCostsMemberMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MGP Costs [Member] [Member]</link:label>
    <link:label id="lab_ogs_MGPCostsMemberMember_documentation_en-US" xlink:label="lab_ogs_MGPCostsMemberMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimate of manufactured gas plant (MGP) costs expected to be incurred that have been recorded as a regulatory asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_MGPCostsMemberMember" xlink:href="ogs-20260630.xsd#ogs_MGPCostsMemberMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_MGPCostsMemberMember" xlink:to="lab_ogs_MGPCostsMemberMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_May2025EquityForwardAgreementMember_019ce809-fa2c-7992-a41c-3b6d70836a8c_terseLabel_en-US" xlink:label="lab_ogs_May2025EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">May 2025 Equity Forward Agreement [Domain]</link:label>
    <link:label id="lab_ogs_May2025EquityForwardAgreementMember_label_en-US" xlink:label="lab_ogs_May2025EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">May 2025 Equity Forward Agreement [Member]</link:label>
    <link:label id="lab_ogs_May2025EquityForwardAgreementMember_documentation_en-US" xlink:label="lab_ogs_May2025EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">May 2025 Equity Forward Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_May2025EquityForwardAgreementMember" xlink:href="ogs-20260630.xsd#ogs_May2025EquityForwardAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_May2025EquityForwardAgreementMember" xlink:to="lab_ogs_May2025EquityForwardAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_019ce809-f98c-7f35-b03c-7a040341cb01_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets for Plan Benefits, Defined Benefit Plan</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_019ce809-fa2c-7a46-b1f0-83b4e0446fdf_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of long-term debt, net of premiums and discounts</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Senior Long-Term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_019ce809-fa2c-797d-851c-7200227ca107_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Compensation Expense</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Compensation Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInMaterialsAndSupplies_019ce809-faaf-7b7f-8dbe-305fd138ce3e_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInMaterialsAndSupplies" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Materials and supplies</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInMaterialsAndSupplies_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInMaterialsAndSupplies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Materials and Supplies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInMaterialsAndSupplies" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInMaterialsAndSupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInMaterialsAndSupplies" xlink:to="lab_us-gaap_IncreaseDecreaseInMaterialsAndSupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019ce809-faaf-764a-8db9-a97054f5af68_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in 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" xml:lang="en-US">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_A450SeniorUnsecuredNotesDue2048Member_019ce809-fa2d-7e6b-800f-3ded61c68a85_terseLabel_en-US" xlink:label="lab_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4.50% Senior Unsecured Notes Due 2048</link:label>
    <link:label id="lab_ogs_A450SeniorUnsecuredNotesDue2048Member_label_en-US" xlink:label="lab_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">4.50% Senior Unsecured Notes Due 2048 [Member]</link:label>
    <link:label id="lab_ogs_A450SeniorUnsecuredNotesDue2048Member_documentation_en-US" xlink:label="lab_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">4.50% Senior Unsecured Notes Due 2048</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:href="ogs-20260630.xsd#ogs_A450SeniorUnsecuredNotesDue2048Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:to="lab_ogs_A450SeniorUnsecuredNotesDue2048Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_019ce809-fa2d-70d0-baba-97a679829fe4_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Property, Plant and Equipment</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Property, Plant and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_019ce809-fa2d-79d4-b42e-d3560e05fc64_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets, Finite-Lived, Policy</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsFiniteLivedPolicy"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:to="lab_us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_019ce809-faae-7b46-9b96-0b110f364c15_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpense_019ce809-fa2c-7c0e-9c4d-61099b9baae1_totalLabel_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpense_019ce809-fa2c-770b-98e3-fd880a4a49ce_terseLabel_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utilities Operating Expense</link:label>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpense_label_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilities Operating Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UtilitiesOperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UtilitiesOperatingExpense" xlink:to="lab_us-gaap_UtilitiesOperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetainedEarningsMember_019ce809-fa2d-7975-ae60-53c3b3d22034_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember" xlink:to="lab_us-gaap_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_019ce809-fa2c-7623-a7b6-618721a0834b_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Jurisdiction [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" xml:lang="en-US">Income Tax Jurisdiction [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_EntityAddressPostalZipCode_019ce809-fa2c-7742-8723-6bfd745c0066_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ce809-faaf-7f03-aa04-d04d01dccc94_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents, restricted cash and restricted cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ce809-faaf-7b14-8fe9-8c6ea079778b_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ce809-faaf-7880-b8e7-9fa95618d2d4_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
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    <link:label id="lab_us-gaap_IncomeStatementAbstract_019ce809-faae-78b9-ae95-9d4e46a730ca_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementAbstract"/>
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    <link:label id="lab_us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEffectOfSignificantUnobservableInputsChangesInPlanAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_019ce809-fa2c-7582-8687-4736eca066e5_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_019ce809-fa2c-7d75-a0b9-3af0a7991c86_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_019ce809-faae-7264-890d-2d08e0622aaf_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_label_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationLineItems_019ce809-fa2d-7f39-96e0-e8a8d4bfaef7_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ce809-faae-7f72-afa1-99d2d796bb2b_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_MidCapEquitiesMember_019ce809-faae-7408-9aab-f999ff4b2217_terseLabel_en-US" xlink:label="lab_ogs_MidCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mid Cap Equities</link:label>
    <link:label id="lab_ogs_MidCapEquitiesMember_label_en-US" xlink:label="lab_ogs_MidCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mid Cap Equities [Member]</link:label>
    <link:label id="lab_ogs_MidCapEquitiesMember_documentation_en-US" xlink:label="lab_ogs_MidCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mid Cap Equities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_MidCapEquitiesMember" xlink:href="ogs-20260630.xsd#ogs_MidCapEquitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_MidCapEquitiesMember" xlink:to="lab_ogs_MidCapEquitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_019ce809-f98c-796e-8a65-dd984e08dc23_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Assets and Liabilities Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Assets and Liabilities Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:to="lab_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_EmergingMarketEquitiesMember_019ce809-fa2c-71b8-95db-f5e3f6cd34f7_terseLabel_en-US" xlink:label="lab_ogs_EmergingMarketEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Emerging Market Equities</link:label>
    <link:label id="lab_ogs_EmergingMarketEquitiesMember_label_en-US" xlink:label="lab_ogs_EmergingMarketEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Emerging Market Equities [Member]</link:label>
    <link:label id="lab_ogs_EmergingMarketEquitiesMember_documentation_en-US" xlink:label="lab_ogs_EmergingMarketEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Emerging Market Equities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_EmergingMarketEquitiesMember" xlink:href="ogs-20260630.xsd#ogs_EmergingMarketEquitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_EmergingMarketEquitiesMember" xlink:to="lab_ogs_EmergingMarketEquitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_019ce809-fa2c-758f-be06-b01491a80612_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends Payable, Date of Record</link:label>
    <link:label id="lab_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_label_en-US" xlink:label="lab_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Payable, Date of Record</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="lab_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax_019ce809-fa2d-724e-93cb-0d063867117f_terseLabel_en-US" xlink:label="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of EDIT Regulatory Liability</link:label>
    <link:label id="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax_label_en-US" xlink:label="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of EDIT Regulatory Liability - Federal Tax</link:label>
    <link:label id="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax_documentation_en-US" xlink:label="lab_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of EDIT Regulatory Liability - Federal Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax" xlink:href="ogs-20260630.xsd#ogs_AmortizationOfEDITRegulatoryLiabilityFederalTax"/>
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    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
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    <link:label id="lab_us-gaap_BridgeLoan_019ce809-fa2c-7d80-bf30-a99b9cd89fef_terseLabel_en-US" xlink:label="lab_us-gaap_BridgeLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swingline subfacility</link:label>
    <link:label id="lab_us-gaap_BridgeLoan_label_en-US" xlink:label="lab_us-gaap_BridgeLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoan" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BridgeLoan"/>
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    <link:label id="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved_019ce809-faaf-7e7d-8c01-a5d8cdb65212_terseLabel_en-US" xlink:label="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of sites where regulatory closure has been achieved</link:label>
    <link:label id="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved_label_en-US" xlink:label="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of sites where regulatory closure has been achieved</link:label>
    <link:label id="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved_documentation_en-US" xlink:label="lab_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of sites where regulatory closure has been achieved</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved" xlink:href="ogs-20260630.xsd#ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved"/>
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    <link:label id="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_019ce809-fa2d-7c9d-aabc-11c11a67a3df_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employer Discretionary Contribution Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
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    <link:label id="lab_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_019ce809-fa2c-7d3a-ba97-8219a68ce20b_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public Utilities, Amount of Allowance for Earnings on Equity Capitalized for Rate Making Purposes</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utilities, Amount of Allowance for Earnings on Equity Capitalized for Rate Making Purposes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesAmountOfAllowanceForEarningsOnEquityCapitalizedForRateMakingPurposes"/>
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    <link:label id="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember_019ce809-fa2c-72f6-9695-70f2ae7cba64_terseLabel_en-US" xlink:label="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net periodic credit (cost) other than service cost</link:label>
    <link:label id="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember_label_en-US" xlink:label="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net periodic credit (cost) other than service cost [Member]</link:label>
    <link:label id="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember_documentation_en-US" xlink:label="lab_ogs_NetPeriodicCreditCostOtherThanServiceCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net periodic credit (cost) other than service cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NetPeriodicCreditCostOtherThanServiceCostMember" xlink:href="ogs-20260630.xsd#ogs_NetPeriodicCreditCostOtherThanServiceCostMember"/>
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    <link:label id="lab_us-gaap_OtherIncomeAndExpensesAbstract_019ce809-faae-74dc-84f6-348f8a8f9a8a_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Other Income and Expenses [Abstract]</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxPaidFederalAfterRefundReceived_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPaidFederalAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Paid, Federal, after Refund Received</link:label>
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    <link:label id="lab_us-gaap_InterestCostsCapitalized_label_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Costs Capitalized</link:label>
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    <link:label id="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock"/>
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    <link:label id="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_019ce809-f98c-7e69-b899-5dc6a14c1359_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Other Adjustments, Amount</link:label>
    <link:label id="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments_label_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Other Adjustments, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
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    <link:label id="lab_ogs_DeferredTaxAssetsRegulatoryAssetsPurchasedGasCostAdjustment_label_en-US" xlink:label="lab_ogs_DeferredTaxAssetsRegulatoryAssetsPurchasedGasCostAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Regulatory Assets - purchased-gas cost adjustment</link:label>
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    <link:label id="lab_ogs_CommonStockDividendsPerShareCashPaidQuarterly_documentation_en-US" xlink:label="lab_ogs_CommonStockDividendsPerShareCashPaidQuarterly" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Cash Paid, Quarterly</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
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    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTable_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTable" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TransportationrevenuesMember_019ce809-faaf-724c-aa1c-5f121464e9b8_terseLabel_en-US" xlink:label="lab_ogs_TransportationrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transportation revenues [Member]</link:label>
    <link:label id="lab_ogs_TransportationrevenuesMember_label_en-US" xlink:label="lab_ogs_TransportationrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transportation revenues [Member]</link:label>
    <link:label id="lab_ogs_TransportationrevenuesMember_documentation_en-US" xlink:label="lab_ogs_TransportationrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transportation revenues represent revenue from contracts with customers through implied contracts established by our tariff rates approved by the regulatory authorities and tariff-based negotiated contracts. The customer receives the benefits of our performance when the commodity is delivered to the customer and the performance obligation is satisfied over time as the customer consumes the natural gas.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TransportationrevenuesMember" xlink:href="ogs-20260630.xsd#ogs_TransportationrevenuesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_TransportationrevenuesMember" xlink:to="lab_ogs_TransportationrevenuesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_019ce809-fa2d-7061-9c45-0b00c97fc9d6_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:to="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_019ce809-fa2d-7993-a6e4-c8af01317e77_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_September112023EquityForwardAgreementMember_019ce809-fa2c-7540-8d49-d95722a0c480_terseLabel_en-US" xlink:label="lab_ogs_September112023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">September 11, 2023 Equity Forward Agreement [Domain]</link:label>
    <link:label id="lab_ogs_September112023EquityForwardAgreementMember_label_en-US" xlink:label="lab_ogs_September112023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">September 11, 2023 Equity Forward Agreement [Member]</link:label>
    <link:label id="lab_ogs_September112023EquityForwardAgreementMember_documentation_en-US" xlink:label="lab_ogs_September112023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">September 11, 2023 Equity Forward Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_September112023EquityForwardAgreementMember" xlink:href="ogs-20260630.xsd#ogs_September112023EquityForwardAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_September112023EquityForwardAgreementMember" xlink:to="lab_ogs_September112023EquityForwardAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019ce809-fa2c-70e7-a66c-32b750a551d3_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, amortization of net loss (gain)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019ce809-fa2c-7054-9fbd-bd057cadbbae_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, amortization of net 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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_SubsequentEventMember_019ce809-fa2c-71b6-86b2-0e8d5a18e3c6_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event [Member]</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" xml:lang="en-US">Subsequent Event [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_EffectiveIncomeTaxRateReconciliationLineItems_019ce809-faae-71f7-b11b-863380d95c3f_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation [Line Items]</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_019faab8-4802-78d0-841e-ebadacae7e4f_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Securities, FV-NI</link:label>
    <link:label id="lab_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Securities, FV-NI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent" xlink:to="lab_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Goodwill_019ce809-faaf-795c-bc33-7e448fe2b9c7_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_Goodwill_label_en-US" xlink:label="lab_us-gaap_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill" xlink:to="lab_us-gaap_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_019ce809-fa2c-7c9d-9d89-c608ad059a2d_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis" xlink:to="lab_us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatedOperationMember_019ce809-fa2c-754c-a69f-409ef6e28746_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated Operation</link:label>
    <link:label id="lab_us-gaap_RegulatedOperationMember_label_en-US" xlink:label="lab_us-gaap_RegulatedOperationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated Operation [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatedOperationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatedOperationMember" xlink:to="lab_us-gaap_RegulatedOperationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_019fbf42-96a6-7d4f-a38e-b10cc231011f_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, before Offset</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" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, before Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_SwapMember_019ce809-fa2d-7012-ba63-1f40b8a1ffcc_terseLabel_en-US" xlink:label="lab_us-gaap_SwapMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap</link:label>
    <link:label id="lab_us-gaap_SwapMember_label_en-US" xlink:label="lab_us-gaap_SwapMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SwapMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SwapMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SwapMember" xlink:to="lab_us-gaap_SwapMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxReceivable_019ce809-fa2c-71cf-bc70-6615016031f5_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes receivable</link:label>
    <link:label id="lab_us-gaap_IncomeTaxReceivable_label_en-US" xlink:label="lab_us-gaap_IncomeTaxReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReceivable" xlink:to="lab_us-gaap_IncomeTaxReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_019ce809-fa2d-798b-800e-421c66e6fe42_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic [Abstract]</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_019ce809-faae-7101-9ed4-7aac49730a5d_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Federal Income Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Federal Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_019ce809-fa2c-7a6b-8d62-9ef030ec3c7e_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_019ce809-fa2d-7911-a58c-2ce23b5432e8_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_019ce809-fa2c-77f7-ae6d-9fe3f9330e27_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_019ce809-faae-7d8a-8d1e-860be2d90d78_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent_019ce809-fa2c-71c5-86c0-498aa5f03e57_negatedTerseLabel_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets and liabilities, current, net</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent_label_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent_documentation_en-US" xlink:label="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:href="ogs-20260630.xsd#ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:to="lab_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherLongTermDebtNoncurrent_019ce809-faaf-711e-b7c7-32d82651624c_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term debt, noncurrent, net of issuance costs</link:label>
    <link:label id="lab_us-gaap_OtherLongTermDebtNoncurrent_label_en-US" xlink:label="lab_us-gaap_OtherLongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long-Term Debt, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebtNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLongTermDebtNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLongTermDebtNoncurrent" xlink:to="lab_us-gaap_OtherLongTermDebtNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_019ce809-fa2c-7e13-ab96-20a9973c7d54_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ForfeitureRateMaximumInHundredths_019ce809-faaf-7c8e-8565-4ea40d66814d_terseLabel_en-US" xlink:label="lab_ogs_ForfeitureRateMaximumInHundredths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeiture Rate Maximum In Hundredths</link:label>
    <link:label id="lab_ogs_ForfeitureRateMaximumInHundredths_label_en-US" xlink:label="lab_ogs_ForfeitureRateMaximumInHundredths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forfeiture Rate Maximum In Hundredths</link:label>
    <link:label id="lab_ogs_ForfeitureRateMaximumInHundredths_documentation_en-US" xlink:label="lab_ogs_ForfeitureRateMaximumInHundredths" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forfeiture Rate Maximum In Hundredths</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForfeitureRateMaximumInHundredths" xlink:href="ogs-20260630.xsd#ogs_ForfeitureRateMaximumInHundredths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ForfeitureRateMaximumInHundredths" xlink:to="lab_ogs_ForfeitureRateMaximumInHundredths" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredMGPCostsMaximum_019fbfa9-d9c6-7cf9-a8cc-87bcdd896196_terseLabel_en-US" xlink:label="lab_ogs_DeferredMGPCostsMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Maximum</link:label>
    <link:label id="lab_ogs_DeferredMGPCostsMaximum_label_en-US" xlink:label="lab_ogs_DeferredMGPCostsMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Maximum</link:label>
    <link:label id="lab_ogs_DeferredMGPCostsMaximum_documentation_en-US" xlink:label="lab_ogs_DeferredMGPCostsMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Maximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredMGPCostsMaximum" xlink:href="ogs-20260630.xsd#ogs_DeferredMGPCostsMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredMGPCostsMaximum" xlink:to="lab_ogs_DeferredMGPCostsMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_019ce809-faaf-7006-beea-a2a13b003fb2_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:to="lab_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetRegulatoryAssets_019ce809-fa2c-79aa-ae0e-619394ce805e_terseLabel_en-US" xlink:label="lab_us-gaap_NetRegulatoryAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Regulatory Assets (Liabilities)</link:label>
    <link:label id="lab_us-gaap_NetRegulatoryAssets_label_en-US" xlink:label="lab_us-gaap_NetRegulatoryAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Regulatory Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetRegulatoryAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetRegulatoryAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetRegulatoryAssets" xlink:to="lab_us-gaap_NetRegulatoryAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TotalSeniorUnsecuredNotesMember_019ce809-fa2d-722a-a52c-5210afecab88_terseLabel_en-US" xlink:label="lab_ogs_TotalSeniorUnsecuredNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Senior Unsecured Notes</link:label>
    <link:label id="lab_ogs_TotalSeniorUnsecuredNotesMember_label_en-US" xlink:label="lab_ogs_TotalSeniorUnsecuredNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Senior Unsecured Notes [Member]</link:label>
    <link:label id="lab_ogs_TotalSeniorUnsecuredNotesMember_documentation_en-US" xlink:label="lab_ogs_TotalSeniorUnsecuredNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Senior Unsecured Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TotalSeniorUnsecuredNotesMember" xlink:href="ogs-20260630.xsd#ogs_TotalSeniorUnsecuredNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_TotalSeniorUnsecuredNotesMember" xlink:to="lab_ogs_TotalSeniorUnsecuredNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_019ce809-faae-7a72-9fc4-526e8c9afcb0_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity Disclosure</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" xml:lang="en-US">Variable Interest Entity Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_PaymentsOfDebtIssuanceCosts_019ce809-faae-7229-a900-00056cbe3389_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments of Debt Issuance Costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Debt Issuance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityNoncurrent_019ce809-fa2c-74f4-93ae-fa1b33333837_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory liability, noncurrent</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityNoncurrent_019ce809-fa2c-74bd-9bc7-d1a2859eeed8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Liability, Noncurrent</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" xml:lang="en-US">Regulatory Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_EntityAddressStateOrProvince_019ce809-faae-775d-99b8-54546dc66b49_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendsCommonStock_019ce809-f98c-7a24-b7c7-7b6cab8836a6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStock" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStock_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStock" xlink:to="lab_us-gaap_DividendsCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_019ce809-fa2c-7c8e-a273-1a3a8576ce8e_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Four</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_019ce809-fa2c-7be7-af5a-d403b28f6e9c_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurement</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:to="lab_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_019ce809-fa2d-70a8-b7a3-fec965f26572_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" 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" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherCurrentLiabilitiesMember_019ce809-f98c-7879-86d8-557c7e12e003_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Current Liabilities</link:label>
    <link:label id="lab_us-gaap_OtherCurrentLiabilitiesMember_label_en-US" xlink:label="lab_us-gaap_OtherCurrentLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Liabilities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentLiabilitiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherCurrentLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCurrentLiabilitiesMember" xlink:to="lab_us-gaap_OtherCurrentLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseOptionToExtend_019ce809-f98c-764d-92e0-7c950fdb00f3_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Option to Extend</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseOptionToExtend_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Option to Extend</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:to="lab_us-gaap_LesseeOperatingLeaseOptionToExtend" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_019ce809-fa2d-7b68-a87f-23ba327771db_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Cost</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanCostRecognized_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanCostRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedContributionPlanCostRecognized" xlink:to="lab_us-gaap_DefinedContributionPlanCostRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_019ce809-f98c-72fa-9a1b-7858f9c72c75_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Benefits Paid</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Benefits Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:to="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_019ce809-fa2d-702a-8648-cd93f236f9d9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other current assets and liabilities, net</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Current Assets and Liabilities, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativesReportingOfDerivativeActivity_019ce809-faae-74c2-8971-73d2f28fcbdc_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesReportingOfDerivativeActivity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_us-gaap_DerivativesReportingOfDerivativeActivity_label_en-US" xlink:label="lab_us-gaap_DerivativesReportingOfDerivativeActivity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Reporting of Derivative Activity [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesReportingOfDerivativeActivity" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativesReportingOfDerivativeActivity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesReportingOfDerivativeActivity" xlink:to="lab_us-gaap_DerivativesReportingOfDerivativeActivity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_019ce809-fa2c-7572-9091-3042286ca81e_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Jurisdiction [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" xml:lang="en-US">Income Tax Jurisdiction [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_OperatingLeasesFutureMinimumPaymentsDueInFourYears_019ce809-f98c-7ad7-9c25-de45a6b809c5_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsCurrent_019ce809-fa2d-7d29-b01d-8e390e3767bc_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Other Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_DocumentAnnualReport_019ce809-fa2c-7e75-ab32-20ef71f91cfd_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntitiesTable_019ce809-fa2c-7520-95c9-767a55432c4b_terseLabel_en-US" xlink:label="lab_dei_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_dei_EntityDomain_019ce809-faae-731f-8634-af61e3037f9e_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_019ce809-fa2c-7f96-9049-36522da422f9_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Payment for Settlement</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Payment for Settlement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanSettlementsPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:to="lab_us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ce809-faaf-797b-bf50-9498fbda498c_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash used in 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" xml:lang="en-US">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_019ce809-fa2c-7661-9ea8-cdebd3653d0e_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanSettlementsBenefitObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:to="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OtherregulatoryassetsMember_019ce809-faae-72a1-b239-0639a8e27aac_terseLabel_en-US" xlink:label="lab_ogs_OtherregulatoryassetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other regulatory assets, net [Member]</link:label>
    <link:label id="lab_ogs_OtherregulatoryassetsMember_label_en-US" xlink:label="lab_ogs_OtherregulatoryassetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other regulatory assets [Member]</link:label>
    <link:label id="lab_ogs_OtherregulatoryassetsMember_documentation_en-US" xlink:label="lab_ogs_OtherregulatoryassetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents other regulatory assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OtherregulatoryassetsMember" xlink:href="ogs-20260630.xsd#ogs_OtherregulatoryassetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OtherregulatoryassetsMember" xlink:to="lab_ogs_OtherregulatoryassetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestPaidNet_019ce809-faae-72dc-9511-302dfda746f4_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest</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" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_DocumentFiscalYearFocus_019ce809-faae-7b13-bc48-85fc85a0515d_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_019ce809-fa2d-78bf-9f4b-01c0ab97f1c5_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Accounting, Policy</link:label>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_019ce809-fa2c-7fbc-ab71-a536424520f6_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019ce809-fa2c-771c-a6ed-706f0e495c37_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_019ce809-fa2c-70a1-9fa2-2ffe548a8262_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_OperatingLeaseCost_019ce809-fa2c-70a2-9230-3c2511db747a_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Cost</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseCost_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseCost" xlink:to="lab_us-gaap_OperatingLeaseCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset_019ce809-f98c-7b52-95e4-f7902cd916ac_terseLabel_en-US" xlink:label="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">KGSS-I Amortization of Intangible Asset</link:label>
    <link:label id="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset_label_en-US" xlink:label="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">KGSS-I Amortization of Securitized Intangible Asset</link:label>
    <link:label id="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset_documentation_en-US" xlink:label="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">KGSS-I Amortization of Securitized Intangible Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:href="ogs-20260630.xsd#ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:to="lab_ogs_KGSSIAmortizationOfSecuritizedIntangibleAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019ce809-fa2c-7a6c-8bf5-54d96a2452d4_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_Netregulatoryassetsandliabilitiescurrent_019ce809-fa2d-70bc-b703-e0f50b0d5b7e_terseLabel_en-US" xlink:label="lab_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Regulatory Assets (Liabilities), Current</link:label>
    <link:label id="lab_ogs_Netregulatoryassetsandliabilitiescurrent_label_en-US" xlink:label="lab_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net regulatory assets and liabilities, current</link:label>
    <link:label id="lab_ogs_Netregulatoryassetsandliabilitiescurrent_documentation_en-US" xlink:label="lab_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net amount of all current regulatory assets less all current regulatory liabilities as of the end of the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:href="ogs-20260630.xsd#ogs_Netregulatoryassetsandliabilitiescurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:to="lab_ogs_Netregulatoryassetsandliabilitiescurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019ce809-fa2c-7770-b9db-6c48a85b12f6_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_019ce809-fa2c-7116-902b-82c300202512_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Funded (Unfunded) Status of Plan</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Funded (Unfunded) Status of Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:to="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_019ce809-fa2d-7b4f-81c9-3733c4ddf003_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityAbstract_019ce809-fa2c-74e1-a39f-d4a94105914a_terseLabel_en-US" xlink:label="lab_us-gaap_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity [Abstract]</link:label>
    <link:label id="lab_us-gaap_EquityAbstract_label_en-US" xlink:label="lab_us-gaap_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityAbstract" xlink:to="lab_us-gaap_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_019ce809-faae-70c0-bdc5-92180f85cdc3_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DebtInstrumentReferenceRate_019f3ded-17eb-7fba-b0eb-981ec0329248_terseLabel_en-US" xlink:label="lab_ogs_DebtInstrumentReferenceRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Reference Rate</link:label>
    <link:label id="lab_ogs_DebtInstrumentReferenceRate_label_en-US" xlink:label="lab_ogs_DebtInstrumentReferenceRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Reference Rate</link:label>
    <link:label id="lab_ogs_DebtInstrumentReferenceRate_documentation_en-US" xlink:label="lab_ogs_DebtInstrumentReferenceRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Reference Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DebtInstrumentReferenceRate" xlink:href="ogs-20260630.xsd#ogs_DebtInstrumentReferenceRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DebtInstrumentReferenceRate" xlink:to="lab_ogs_DebtInstrumentReferenceRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PurchaseObligation_019fbf95-6d98-7e76-9cca-684534241c85_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Obligation</link:label>
    <link:label id="lab_us-gaap_PurchaseObligation_label_en-US" xlink:label="lab_us-gaap_PurchaseObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligation" xlink:to="lab_us-gaap_PurchaseObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_019ce809-fa2d-7fb8-845c-d17de021fee0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives, Policy</link:label>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesPolicyTextBlock" xlink:to="lab_us-gaap_DerivativesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds_019ce809-faaf-7ffa-893b-3313ae553c2a_negatedTerseLabel_en-US" xlink:label="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayment of securitized utility tariff bonds</link:label>
    <link:label id="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds_label_en-US" xlink:label="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of securitized utility tariff bonds</link:label>
    <link:label id="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds_documentation_en-US" xlink:label="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repayments of securitized utility tariff bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:href="ogs-20260630.xsd#ogs_RepaymentsOfSecuritizedUtilityTariffBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:to="lab_ogs_RepaymentsOfSecuritizedUtilityTariffBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_USTreasurySecuritiesMember_019ce809-faae-7027-bded-983a3f4985c5_terseLabel_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US Treasury Securities</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" xml:lang="en-US">US Treasury Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTable_019ce809-faae-7b48-9306-71a9700d1e01_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueTable_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disaggregation of Revenue [Table]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable" xlink:to="lab_us-gaap_DisaggregationOfRevenueTable" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Operating Loss Carryforwards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_019ce809-fa2c-72f5-a00f-127790b1fa33_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Amount</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:to="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019ce809-faae-7010-b7af-4faa5ac6bd92_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
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    <link:label id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Federal Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
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    <link:label id="lab_us-gaap_AmortizationOfRateDeferral_019fa530-c131-70cc-ab90-3cd8b7c6b962_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfRateDeferral" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortization of Rate Deferral</link:label>
    <link:label id="lab_us-gaap_AmortizationOfRateDeferral_label_en-US" xlink:label="lab_us-gaap_AmortizationOfRateDeferral" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Rate Deferral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfRateDeferral" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfRateDeferral"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfRateDeferral" xlink:to="lab_us-gaap_AmortizationOfRateDeferral" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Net Benefit Costs [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_019ce809-faaf-707f-8a13-999d98ef99bd_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss) Note</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019ce809-fa2c-7470-ac35-8568fe5e139f_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Fair Value, Recurring and Nonrecurring [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
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    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_019ce809-fa2d-7e76-bb49-664c5cb4bf7b_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Intangible Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfIntangibleAssets" xlink:to="lab_us-gaap_AmortizationOfIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_019ce809-fa2d-7369-a995-810812b27ccc_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Leases</link:label>
    <link:label id="lab_us-gaap_LesseeLeasesPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_LesseeLeasesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Leases [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeasesPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeLeasesPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeasesPolicyTextBlock" xlink:to="lab_us-gaap_LesseeLeasesPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_A800OtherLongTermDebtMember_019ce809-faae-7e3c-89ae-800574894253_terseLabel_en-US" xlink:label="lab_ogs_A800OtherLongTermDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">8.00% Other Long Term Debt</link:label>
    <link:label id="lab_ogs_A800OtherLongTermDebtMember_label_en-US" xlink:label="lab_ogs_A800OtherLongTermDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">8.00% Other Long Term Debt [Member]</link:label>
    <link:label id="lab_ogs_A800OtherLongTermDebtMember_documentation_en-US" xlink:label="lab_ogs_A800OtherLongTermDebtMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">8.00% Other Long Term Debt</link:label>
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    <link:label id="lab_us-gaap_CommercialPaper_019ce809-fa2d-7637-afaa-78b8b7d179df_terseLabel_en-US" xlink:label="lab_us-gaap_CommercialPaper" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt</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" xml:lang="en-US">Commercial Paper</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPaper"/>
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    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued_019ce809-faaf-7f56-87d4-eb98d598141a_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Number of Shares Issued</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Number of Shares Issued</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Number of Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToEquitySettlementNumberOfSharesIssued"/>
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    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_019ce809-fa2d-733f-ada3-a6010f4e8f24_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss)</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
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    <link:label id="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsDomain_label_en-US" xlink:label="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Outstanding Equity Forward Sale Agreements [Domain]</link:label>
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    <link:label id="lab_dei_AuditorTable_label_en-US" xlink:label="lab_dei_AuditorTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor [Table]</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_019ce809-f98c-7a82-96e8-ee4f1381a6ef_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Two</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo"/>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_019ce809-f98c-72c0-acd7-1c90d55ab409_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax receivable</link:label>
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    <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" xml:lang="en-US">Other Assets, Noncurrent</link:label>
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    <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" xml:lang="en-US">Entity Central Index Key</link:label>
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    <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_Revenues_019ce809-f98c-7519-b762-983f333fe576_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:label id="lab_us-gaap_Revenues_label_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_SegmentReportingDisclosureOfMajorCustomers_019ce809-fa2c-74ef-b0c2-1caa0996d6f9_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting, Disclosure of Major Customers</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Disclosure of Major Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingDisclosureOfMajorCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:to="lab_us-gaap_SegmentReportingDisclosureOfMajorCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_019ce809-f98c-7fc7-825d-aed5a5ae825f_terseLabel_en-US" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable</link:label>
    <link:label id="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy_label_en-US" xlink:label="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:to="lab_us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:type="arc" order="1"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ogs_AmortizationOfEDITRegulatoryLiabilityStateTaxEffectiveIncomeTaxRateReconciliationPercent" xlink:href="ogs-20260630.xsd#ogs_AmortizationOfEDITRegulatoryLiabilityStateTaxEffectiveIncomeTaxRateReconciliationPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AmortizationOfEDITRegulatoryLiabilityStateTaxEffectiveIncomeTaxRateReconciliationPercent" xlink:to="lab_ogs_AmortizationOfEDITRegulatoryLiabilityStateTaxEffectiveIncomeTaxRateReconciliationPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonqualifiedPlanMember_019ce809-fa2c-745b-9a90-3ef9bbf43a75_terseLabel_en-US" xlink:label="lab_us-gaap_NonqualifiedPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonqualified Plan</link:label>
    <link:label id="lab_us-gaap_NonqualifiedPlanMember_label_en-US" xlink:label="lab_us-gaap_NonqualifiedPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonqualified Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonqualifiedPlanMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonqualifiedPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonqualifiedPlanMember" xlink:to="lab_us-gaap_NonqualifiedPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_019ce809-faae-73e3-a68a-40c191295e1e_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares_019fa408-0a7d-7b26-8336-0f761efff7c0_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:to="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_EquityAvailableForIssuance_019ce809-fa2d-70a5-9a94-a6fe03e1a76c_terseLabel_en-US" xlink:label="lab_ogs_EquityAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Available for Issuance</link:label>
    <link:label id="lab_ogs_EquityAvailableForIssuance_label_en-US" xlink:label="lab_ogs_EquityAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Available for Issuance</link:label>
    <link:label id="lab_ogs_EquityAvailableForIssuance_documentation_en-US" xlink:label="lab_ogs_EquityAvailableForIssuance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Available for Issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_EquityAvailableForIssuance" xlink:href="ogs-20260630.xsd#ogs_EquityAvailableForIssuance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_EquityAvailableForIssuance" xlink:to="lab_ogs_EquityAvailableForIssuance" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_019ce809-fa2d-7f86-95f9-bd0892ed8205_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_ClassOfStockDomain_019ce809-faae-7857-b94f-aa5784d74822_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockDomain_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="lab_us-gaap_ClassOfStockDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_019ce809-fa2c-7d01-a666-ad4352a179c8_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
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    <link:label id="lab_us-gaap_CapitalizationLongtermDebtAndEquityAbstract_019ce809-fa2d-74c2-9435-415ac1858c8e_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalizationLongtermDebtAndEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity and long-term debt</link:label>
    <link:label id="lab_us-gaap_CapitalizationLongtermDebtAndEquityAbstract_label_en-US" xlink:label="lab_us-gaap_CapitalizationLongtermDebtAndEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalization, Long-Term Debt and Equity [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid"/>
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    <link:label id="lab_ogs_LineOfCreditFacilityAmountOutstanding_019ce809-fa2c-71bc-a488-e782a02a9399_terseLabel_en-US" xlink:label="lab_ogs_LineOfCreditFacilityAmountOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</link:label>
    <link:label id="lab_ogs_LineOfCreditFacilityAmountOutstanding_label_en-US" xlink:label="lab_ogs_LineOfCreditFacilityAmountOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</link:label>
    <link:label id="lab_ogs_LineOfCreditFacilityAmountOutstanding_documentation_en-US" xlink:label="lab_ogs_LineOfCreditFacilityAmountOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_LineOfCreditFacilityAmountOutstanding" xlink:href="ogs-20260630.xsd#ogs_LineOfCreditFacilityAmountOutstanding"/>
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    <link:label id="lab_us-gaap_CustomerDepositsCurrent_019ce809-fa2c-7b62-8a5d-fa498d19ae02_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerDepositsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer deposits</link:label>
    <link:label id="lab_us-gaap_CustomerDepositsCurrent_label_en-US" xlink:label="lab_us-gaap_CustomerDepositsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Deposits, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerDepositsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerDepositsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerDepositsCurrent" xlink:to="lab_us-gaap_CustomerDepositsCurrent" xlink:type="arc" order="1"/>
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    <link:label id="lab_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds_label_en-US" xlink:label="lab_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current maturities of securitized utility tariff bonds</link:label>
    <link:label id="lab_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds_documentation_en-US" xlink:label="lab_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current maturities of securitized utility tariff bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds" xlink:href="ogs-20260630.xsd#ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds"/>
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    <link:label id="lab_ogs_RequestedRefundFrom2022AmendedFederalTaxReturn_label_en-US" xlink:label="lab_ogs_RequestedRefundFrom2022AmendedFederalTaxReturn" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RequestedRefundFrom2022AmendedFederalTaxReturn</link:label>
    <link:label id="lab_ogs_RequestedRefundFrom2022AmendedFederalTaxReturn_documentation_en-US" xlink:label="lab_ogs_RequestedRefundFrom2022AmendedFederalTaxReturn" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">RequestedRefundFrom2022AmendedFederalTaxReturn</link:label>
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    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_019ce809-fa2c-7657-bd80-dac87e66d1a6_terseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis_label_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis" xlink:to="lab_us-gaap_ForwardContractIndexedToIssuersEquityTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsAbstract_019ce809-faae-762a-86c9-76880c9a364a_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" 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" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_LongTermDebtNoncurrent_019ce809-fa2d-7105-ba6f-bf036daacef5_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Long-Term debt, excluding current maturities, total, net of issuance costs</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_019ce809-fa2d-79e9-91db-c4c5267ae262_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, excluding current maturities, net of issuance costs</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_CreditFacilityAxis_019ce809-fa2c-76a4-963a-7457a4428c89_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019ce809-faaf-73df-8d79-028981c7e767_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
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    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_019ce809-fa2c-7bcf-b6c6-54b54abef0b3_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Financial Position Location, Balance [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" xml:lang="en-US">Statement of Financial Position Location, Balance [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_NumberOfNaturalGasDistributionServicesCustomers_019ce809-faae-7a3b-9935-bfc1a826a65c_terseLabel_en-US" xlink:label="lab_ogs_NumberOfNaturalGasDistributionServicesCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of natural gas distribution services customers</link:label>
    <link:label id="lab_ogs_NumberOfNaturalGasDistributionServicesCustomers_label_en-US" xlink:label="lab_ogs_NumberOfNaturalGasDistributionServicesCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of natural gas distribution services customers</link:label>
    <link:label id="lab_ogs_NumberOfNaturalGasDistributionServicesCustomers_documentation_en-US" xlink:label="lab_ogs_NumberOfNaturalGasDistributionServicesCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of customers the natural gas distribution service segment services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NumberOfNaturalGasDistributionServicesCustomers" xlink:href="ogs-20260630.xsd#ogs_NumberOfNaturalGasDistributionServicesCustomers"/>
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    <link:label id="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested_019ce809-fa2c-74de-88ad-18a5545f8d64_terseLabel_en-US" xlink:label="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Vested</link:label>
    <link:label id="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested_label_en-US" xlink:label="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Vested</link:label>
    <link:label id="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested_documentation_en-US" xlink:label="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Vested</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:href="ogs-20260630.xsd#ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:to="lab_ogs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesVested" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019ce809-fa2c-72f1-8fc7-94776dedc4f8_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
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    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_019ce809-faae-7855-8e25-4b2f4ec2ce9c_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_019ce809-fa2c-7e6b-926d-7d7e155efc73_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Benefit Plans (Notes)</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Benefits [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
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    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment_019ce809-f98c-7766-870d-cd4df5638f24_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Liabilities - purchased-gas cost adjustment</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment_label_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Liabilities - purchased-gas cost adjustment</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment_documentation_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Liabilities - purchased-gas cost adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxLiabilitiesRegulatoryLiabilitiesPurchasedGasCostAdjustment"/>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:to="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityDomain_019ce809-fa2c-7be0-97d1-1ff8a017f27f_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <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_us-gaap_FiniteLivedIntangibleAssetsGross_019ce809-faae-70e6-9e50-6b00975a85f5_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_WeathernormalizationMember_019ce809-fa2d-7055-9273-26a73d249def_terseLabel_en-US" xlink:label="lab_ogs_WeathernormalizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weather normalization [Member]</link:label>
    <link:label id="lab_ogs_WeathernormalizationMember_label_en-US" xlink:label="lab_ogs_WeathernormalizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weather normalization [Member]</link:label>
    <link:label id="lab_ogs_WeathernormalizationMember_documentation_en-US" xlink:label="lab_ogs_WeathernormalizationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weather normalization represents revenue over- or under-recovered through the weather normalization adjustment rider in Kansas.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_WeathernormalizationMember" xlink:href="ogs-20260630.xsd#ogs_WeathernormalizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_WeathernormalizationMember" xlink:to="lab_ogs_WeathernormalizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_019ce809-fa2d-703b-8acc-0ead890396a9_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_ogs_September152023EquityForwardAgreementMember_019ce809-faae-7daa-b104-829958a2fb94_terseLabel_en-US" xlink:label="lab_ogs_September152023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">September 15, 2023 Equity Forward Agreement [Domain]</link:label>
    <link:label id="lab_ogs_September152023EquityForwardAgreementMember_label_en-US" xlink:label="lab_ogs_September152023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">September 15, 2023 Equity Forward Agreement [Member]</link:label>
    <link:label id="lab_ogs_September152023EquityForwardAgreementMember_documentation_en-US" xlink:label="lab_ogs_September152023EquityForwardAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">September 15, 2023 Equity Forward Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_September152023EquityForwardAgreementMember" xlink:href="ogs-20260630.xsd#ogs_September152023EquityForwardAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_September152023EquityForwardAgreementMember" xlink:to="lab_ogs_September152023EquityForwardAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_019ce809-fa2c-7617-a4e1-802aa092acb7_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019ce809-faae-788c-aedf-efbc85b26f24_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Member]</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" xml:lang="en-US">AOCI Attributable to Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_DebtInstrumentInterestRateStatedPercentage_019ce809-fa2c-77f5-8df2-48b1a71d5905_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_019ce809-fa2d-74dd-b5f2-f89e0d9b77b6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenues Disaggregated by Source [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from External Customers by Products and Services [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:to="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_019ce809-f98c-7f8b-bc94-134c3ce970a8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Noncurrent</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" xml:lang="en-US">Operating Lease, Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_DebtInstrumentInterestRateTerms_019ce809-fa2d-7e8d-8299-9c56f2df1cf3_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateTerms" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate Terms</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateTerms_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateTerms" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate Terms</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateTerms" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateTerms"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateTerms" xlink:to="lab_us-gaap_DebtInstrumentInterestRateTerms" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityVoluntaryFilers_019ce809-fa2d-7c6e-9a2c-9ba86450ff19_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityVoluntaryFilers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesTradingAndAvailableForSale_019faaaf-0d35-7556-856c-0fee7bb57cd0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesTradingAndAvailableForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Securities, Trading and Available-for-Sale</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesTradingAndAvailableForSale_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesTradingAndAvailableForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Trading and Available-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSale" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesTradingAndAvailableForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSale" xlink:to="lab_us-gaap_DebtSecuritiesTradingAndAvailableForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeduction_019ce809-fa2c-7de5-b5d4-1b3d2c615ac6_terseLabel_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction</link:label>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeduction_label_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction</link:label>
    <link:label id="lab_ogs_TaxEffectOfStateIncomeTaxDeduction_documentation_en-US" xlink:label="lab_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect of state income tax deduction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:href="ogs-20260630.xsd#ogs_TaxEffectOfStateIncomeTaxDeduction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:to="lab_ogs_TaxEffectOfStateIncomeTaxDeduction" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DefinedBenefitPlanBenefitsPaid_019ce809-fa2c-744a-a035-ea4e499d725a_terseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefits Paid</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanBenefitsPaid_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefits Paid</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanBenefitsPaid_documentation_en-US" xlink:label="lab_ogs_DefinedBenefitPlanBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefits Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanBenefitsPaid" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanBenefitsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DefinedBenefitPlanBenefitsPaid" xlink:to="lab_ogs_DefinedBenefitPlanBenefitsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019ce809-fa2c-7610-8a1d-719493b6b596_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, amortization of unrecognized prior service cost (credit)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019ce809-fa2c-77ee-887f-41d96222276a_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, amortization of unrecognized prior service cost (credit)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Amortization of Prior Service Cost (Credit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt_019ce809-fa2c-70d6-8e39-bf3d0c0f9680_terseLabel_en-US" xlink:label="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ratio of Indebtedness to Net Capital Excluding KGSS-I debt</link:label>
    <link:label id="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt_label_en-US" xlink:label="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ratio of Indebtedness to Net Capital Excluding KGSS-I debt</link:label>
    <link:label id="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt_documentation_en-US" xlink:label="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indebtedness, excluding KGSS-I debt, divided by net capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:href="ogs-20260630.xsd#ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:to="lab_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt" xlink:type="arc" order="1"/>
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    <link:label id="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease_label_en-US" xlink:label="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Decrease</link:label>
    <link:label id="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease_documentation_en-US" xlink:label="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Decrease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease" xlink:href="ogs-20260630.xsd#ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodDecrease"/>
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    <link:label id="lab_us-gaap_OtherLiabilitiesMember_019ce809-fa2c-7cc5-87cc-d4f7a141cc34_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other 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" xml:lang="en-US">Other Liabilities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesMember"/>
    <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_PropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_019ce809-fa2c-7344-9dfe-60e93518bda7_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Entity Registrant Name</link:label>
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    <link:label id="lab_us-gaap_RetainedEarningsUnappropriated_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsUnappropriated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings, Unappropriated</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsUnappropriated" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsUnappropriated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsUnappropriated" xlink:to="lab_us-gaap_RetainedEarningsUnappropriated" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019ce809-fa2d-7561-b614-938b985e83d8_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net periodic benefit cost (credit)</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_019ce809-faaf-75b2-aa61-1cfce1f58232_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Nonoperating Income (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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_AlternativeInvestmentsMember_019ce809-fa2c-7f3e-befc-0cb250729c6c_terseLabel_en-US" xlink:label="lab_ogs_AlternativeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Alternative Investments</link:label>
    <link:label id="lab_ogs_AlternativeInvestmentsMember_label_en-US" xlink:label="lab_ogs_AlternativeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Alternative Investments [Member]</link:label>
    <link:label id="lab_ogs_AlternativeInvestmentsMember_documentation_en-US" xlink:label="lab_ogs_AlternativeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Alternative Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AlternativeInvestmentsMember" xlink:href="ogs-20260630.xsd#ogs_AlternativeInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AlternativeInvestmentsMember" xlink:to="lab_ogs_AlternativeInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpenseOther_019ce809-faae-72c7-b097-7f00cdb73f56_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOther_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOther" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseOther" xlink:to="lab_us-gaap_InterestExpenseOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_019ce809-faaf-7e67-a71f-98c2604f67d2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-Term Debt Instruments</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-Term Debt Instruments [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019ce809-fa2c-799d-8f74-cdfe5df38f6e_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares</link:label>
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    <link:label id="lab_us-gaap_RegulatedOperatingRevenue_019ce809-fa2c-7840-9499-3f9bfe44dbd1_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue</link:label>
    <link:label id="lab_us-gaap_RegulatedOperatingRevenue_label_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperatingRevenue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatedOperatingRevenue"/>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019ce809-fa2c-70b3-8cf4-322af9c82312_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
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    <link:label id="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments_019ce809-fa2c-7e9a-8e73-c832080906f5_terseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, reclassification adjustment, before tax and regulatory adjustments</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plan, reclassification adjustment, before tax and regulatory adjustments</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments_documentation_en-US" xlink:label="lab_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined benefit plan, reclassification adjustment, before tax and regulatory adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments"/>
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    <link:label id="lab_dei_DocumentQuarterlyReport_019ce809-fa2d-74dc-9fa1-a26a27277821_terseLabel_en-US" xlink:label="lab_dei_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Quarterly Report</link:label>
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    <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" xml:lang="en-US">Assets, Fair Value Disclosure</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Taxes and Tax Credits</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtFairValue_label_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtFairValue" xlink:to="lab_us-gaap_LongTermDebtFairValue" xlink:type="arc" order="1"/>
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    <link:label id="lab_ogs_AmortizationOfEDITRegulatoryLiabilityPercent_label_en-US" xlink:label="lab_ogs_AmortizationOfEDITRegulatoryLiabilityPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of EDIT Regulatory Liability, Percent</link:label>
    <link:label id="lab_ogs_AmortizationOfEDITRegulatoryLiabilityPercent_documentation_en-US" xlink:label="lab_ogs_AmortizationOfEDITRegulatoryLiabilityPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of EDIT Regulatory Liability, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AmortizationOfEDITRegulatoryLiabilityPercent" xlink:href="ogs-20260630.xsd#ogs_AmortizationOfEDITRegulatoryLiabilityPercent"/>
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    <link:label id="lab_ogs_KansasGasServiceSecuritizationILLCMember_019ce809-fa2d-76e5-ae56-d56407595e20_terseLabel_en-US" xlink:label="lab_ogs_KansasGasServiceSecuritizationILLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kansas Gas Service Securitization I LLC</link:label>
    <link:label id="lab_ogs_KansasGasServiceSecuritizationILLCMember_label_en-US" xlink:label="lab_ogs_KansasGasServiceSecuritizationILLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kansas Gas Service Securitization I LLC [Member]</link:label>
    <link:label id="lab_ogs_KansasGasServiceSecuritizationILLCMember_documentation_en-US" xlink:label="lab_ogs_KansasGasServiceSecuritizationILLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Kansas Gas Service Securitization I LLC</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_019ce809-fa2c-7a0a-9424-e12b70c859d0_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest cost</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Interest Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree"/>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
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    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_019ce809-fa2d-76fc-b3c6-db7cd056488c_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets</link:label>
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    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold_019ce809-fa2d-7e11-914d-e6e510bd39b7_terseLabel_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Compliance, Default Provision, Indebtnedness Threshold</link:label>
    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold_label_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Compliance, Default Provision, Indebtnedness Threshold</link:label>
    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold_documentation_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indebtedness threshold considered an event of default as stipulated in our Senior Note indenture.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:href="ogs-20260630.xsd#ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:to="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_REVENUEAxis_019ce809-fa2c-7678-81ea-f5cb3bbeb7ad_terseLabel_en-US" xlink:label="lab_ogs_REVENUEAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">REVENUE [Axis]</link:label>
    <link:label id="lab_ogs_REVENUEAxis_label_en-US" xlink:label="lab_ogs_REVENUEAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">REVENUE [Axis]</link:label>
    <link:label id="lab_ogs_REVENUEAxis_documentation_en-US" xlink:label="lab_ogs_REVENUEAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenues disaggregated by source.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_REVENUEAxis" xlink:href="ogs-20260630.xsd#ogs_REVENUEAxis"/>
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_019ce809-faae-7fa3-b9ef-3173e69705a7_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019ce809-fa2d-7fed-bb17-61ed85e713ee_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
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    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Leasing Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements"/>
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    <link:label id="lab_us-gaap_InterestIncomeOther_label_en-US" xlink:label="lab_us-gaap_InterestIncomeOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOther" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeOther"/>
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    <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" xml:lang="en-US">Regulatory Asset [Axis]</link:label>
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    <link:label id="lab_us-gaap_MaterialsSuppliesAndOther_label_en-US" xlink:label="lab_us-gaap_MaterialsSuppliesAndOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Materials, Supplies, and Other</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Five Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
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    <link:label id="lab_us-gaap_ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forward Contracts Indexed to Issuer's Equity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock"/>
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    <link:label id="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDLineItems_019ce809-fa2d-7c22-9ae2-f31798652383_terseLabel_en-US" xlink:label="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EARNINGS PER SHARE [Line Items]</link:label>
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    <link:label id="lab_ogs_CommitmentsandContingenciesLineItems_label_en-US" xlink:label="lab_ogs_CommitmentsandContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies [Line Items]</link:label>
    <link:label id="lab_ogs_CommitmentsandContingenciesLineItems_documentation_en-US" xlink:label="lab_ogs_CommitmentsandContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Line Items] for Disclosure of commitments and contingencies [Table]</link:label>
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    <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Comprehensive Income [Abstract]</link:label>
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    <link:label id="lab_ogs_A425SeniorUnsecuredNotesDue2032Member_label_en-US" xlink:label="lab_ogs_A425SeniorUnsecuredNotesDue2032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">4.25% Senior Unsecured Notes Due 2032 [Member]</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_019ce809-fa2d-7902-bf40-88d0978cef23_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets, noncurrent</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_019ce809-fa2d-7c3d-bead-f441c984a12a_verboseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets, noncurrent</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" xml:lang="en-US">Regulatory Asset, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_EmployeeStockMember_019ce809-fa2c-7710-ac74-3d320322df05_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock</link:label>
    <link:label id="lab_us-gaap_EmployeeStockMember_label_en-US" xlink:label="lab_us-gaap_EmployeeStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockMember" xlink:to="lab_us-gaap_EmployeeStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock_019ce809-faaf-75c8-af9e-12795bfd4016_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Amounts Recognized in Other Comprehensive Income (Loss)</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock"/>
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    <link:label id="lab_dei_IcfrAuditorAttestationFlag_019ce809-fa2d-7327-a0cc-72e65727bcb7_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_019ce809-fa2c-7d83-be6a-7491941482d4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay</link:label>
    <link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent"/>
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    <link:label id="lab_dei_DocumentsIncorporatedByReferenceTextBlock_019ce809-fa2c-7b32-a30e-8ace5e3352f3_terseLabel_en-US" xlink:label="lab_dei_DocumentsIncorporatedByReferenceTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Documents Incorporated by Reference</link:label>
    <link:label id="lab_dei_DocumentsIncorporatedByReferenceTextBlock_label_en-US" xlink:label="lab_dei_DocumentsIncorporatedByReferenceTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Documents Incorporated by Reference [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="lab_dei_DocumentsIncorporatedByReferenceTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn_019ce809-fa2c-7900-a58c-8aec4cdbaaca_terseLabel_en-US" xlink:label="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RefundFromAmendedOklahomaCorporateIncomeTaxReturn</link:label>
    <link:label id="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn_label_en-US" xlink:label="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RefundFromAmendedOklahomaCorporateIncomeTaxReturn</link:label>
    <link:label id="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn_documentation_en-US" xlink:label="lab_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">RefundFromAmendedOklahomaCorporateIncomeTaxReturn</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn" xlink:href="ogs-20260630.xsd#ogs_RefundFromAmendedOklahomaCorporateIncomeTaxReturn"/>
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    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts_019ce809-fa2c-7fca-81c7-0f1d4cc7b354_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Winter weather events</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts_label_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets and Liabilities - winter weather event costs</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts_documentation_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Regulatory Assets and Liabilities - winter weather event costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:to="lab_ogs_DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019ce809-fa2c-77b8-800c-01a413b98021_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income (loss), net of tax</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
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    <link:label id="lab_us-gaap_FixedIncomeFundsMember_019ce809-fa2c-74f6-b6bc-661c927110bc_terseLabel_en-US" xlink:label="lab_us-gaap_FixedIncomeFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed Income Funds</link:label>
    <link:label id="lab_us-gaap_FixedIncomeFundsMember_label_en-US" xlink:label="lab_us-gaap_FixedIncomeFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Income Funds [Member]</link:label>
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    <link:label id="lab_ogs_ApprovedDebtToCapitalRatio_019ce809-faae-7fce-a053-d2cdd1c91b5e_terseLabel_en-US" xlink:label="lab_ogs_ApprovedDebtToCapitalRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Approved Debt to Capital Ratio</link:label>
    <link:label id="lab_ogs_ApprovedDebtToCapitalRatio_label_en-US" xlink:label="lab_ogs_ApprovedDebtToCapitalRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Approved Debt to Capital Ratio</link:label>
    <link:label id="lab_ogs_ApprovedDebtToCapitalRatio_documentation_en-US" xlink:label="lab_ogs_ApprovedDebtToCapitalRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Approved Debt to Capital Ratio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ApprovedDebtToCapitalRatio" xlink:href="ogs-20260630.xsd#ogs_ApprovedDebtToCapitalRatio"/>
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    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ce809-fa2d-7715-9949-d88f7733e3f1_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments [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" xml:lang="en-US">Financial Instruments [Domain]</link:label>
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    <link:label id="lab_ogs_ScheduleOfEmployeePensionPlansInvestmentsAtFairValueTableTextBlock_019ce809-faaf-72a0-8282-6fbbd7af7b94_terseLabel_en-US" xlink:label="lab_ogs_ScheduleOfEmployeePensionPlansInvestmentsAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule Of Employee Pension Plans Investments At Fair Value</link:label>
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    <link:label id="lab_ogs_ScheduleOfEmployeePensionPlansInvestmentsAtFairValueTableTextBlock_documentation_en-US" xlink:label="lab_ogs_ScheduleOfEmployeePensionPlansInvestmentsAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Employee Pension Plans Investments At Fair Value</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019ce809-faaf-7b28-b518-23d3c4e50a35_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxLiabilities_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Gross</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:to="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PerformanceSharesMember_019ce809-fa2c-7e48-a2e4-7016f3c69694_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Shares</link:label>
    <link:label id="lab_us-gaap_PerformanceSharesMember_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PerformanceSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceSharesMember" xlink:to="lab_us-gaap_PerformanceSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019ce809-fa2c-7baa-abcd-ae84f5544532_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_019ce809-faaf-79d5-9707-dbc13b70dae8_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions_019ce809-fa2c-7a17-988d-037511cbecc7_terseLabel_en-US" xlink:label="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number Of Former Manufactured Gas Sites Where We Own Or Retain Legal Responsibility For Environmental Conditions</link:label>
    <link:label id="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions_label_en-US" xlink:label="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Former Manufactured Gas Sites Where We Own Or Retain Legal Responsibility For Environmental Conditions</link:label>
    <link:label id="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions_documentation_en-US" xlink:label="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of former manufactured gas sites where we own or retain legal responsibility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:href="ogs-20260630.xsd#ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:to="lab_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_019ce809-fa2c-76e6-ba6d-2d3a7fa4de84_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ce809-fa2c-78f0-803d-26e7eda9438c_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_BalanceSheetLocationDomain_019ce809-fa2c-744c-a886-737771db6290_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Financial Position Location, Balance [Domain]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position Location, Balance [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_A401kPlanMember_019ce809-faae-7531-8455-9a5409d58975_terseLabel_en-US" xlink:label="lab_ogs_A401kPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">401k Plan</link:label>
    <link:label id="lab_ogs_A401kPlanMember_label_en-US" xlink:label="lab_ogs_A401kPlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">401k Plan [Member]</link:label>
    <link:label id="lab_ogs_A401kPlanMember_documentation_en-US" xlink:label="lab_ogs_A401kPlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">401k Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A401kPlanMember" xlink:href="ogs-20260630.xsd#ogs_A401kPlanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A401kPlanMember" xlink:to="lab_ogs_A401kPlanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_019ce809-faaf-718a-84b4-ec52fc3fe2cd_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Natural gas in storage</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" xml:lang="en-US">Increase (Decrease) in Inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_DefinedBenefitPlanBenefitObligationPaymentForSettlement_019ce809-fa2d-73d8-af73-8fbfe15e84af_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Payment for Settlement</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Payment for Settlement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_019ce809-fa2c-750f-96cf-facbea5a3cc6_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_MiscellaneousrevenuesMember_019ce809-fa2c-718e-ab26-2c6cf4855f11_terseLabel_en-US" xlink:label="lab_ogs_MiscellaneousrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Miscellaneous revenues [Member]</link:label>
    <link:label id="lab_ogs_MiscellaneousrevenuesMember_label_en-US" xlink:label="lab_ogs_MiscellaneousrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous revenues [Member]</link:label>
    <link:label id="lab_ogs_MiscellaneousrevenuesMember_documentation_en-US" xlink:label="lab_ogs_MiscellaneousrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Miscellaneous revenues from contracts with customers represent implied contracts established by our tariff rates approved by the regulatory authorities and includes one-time miscellaneous service charges with the performance obligation satisfied at a point in time when services are rendered to the customer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_MiscellaneousrevenuesMember" xlink:href="ogs-20260630.xsd#ogs_MiscellaneousrevenuesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_MiscellaneousrevenuesMember" xlink:to="lab_ogs_MiscellaneousrevenuesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_019ce809-faae-79da-9717-ab59d44aaa4e_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and other assets</link:label>
    <link:label id="lab_us-gaap_AssetsNoncurrentAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Noncurrent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNoncurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate_019ce809-faae-7f5b-99ea-91fb20e012a2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate"/>
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    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_019ce809-fa2d-76eb-bb97-db33f212cfdc_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy</link:label>
    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerSharePolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_019ce809-fa2c-7f39-baa4-383e5f09d539_terseLabel_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrual for Environmental Loss Contingencies</link:label>
    <link:label id="lab_us-gaap_AccrualForEnvironmentalLossContingencies_label_en-US" xlink:label="lab_us-gaap_AccrualForEnvironmentalLossContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual for Environmental Loss Contingencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="lab_us-gaap_AccrualForEnvironmentalLossContingencies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_019ce809-fa2d-7914-b8cd-f176ac43ffda_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue [Policy Text Block]</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_CostOfSalesPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_CostOfSalesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Goods and Service [Policy Text Block]</link:label>
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    <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" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, Asset Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset"/>
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    <link:label id="lab_us-gaap_AccountsPayableCurrent_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
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    <link:label id="lab_us-gaap_InterestPayableCurrentAndNoncurrent_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Payable</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasePayments_label_en-US" xlink:label="lab_us-gaap_OperatingLeasePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Payments</link:label>
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    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
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    <link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_019ce809-fa2c-72d2-902f-3598e0f95378_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
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    <link:label id="lab_us-gaap_ShortTermInvestments_label_en-US" xlink:label="lab_us-gaap_ShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Investments</link:label>
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ce809-fa2c-789b-a0d7-02a601bf0073_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ce809-fa2c-7149-863d-85104e89722d_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
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    <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" xml:lang="en-US">Commitments and Contingencies</link:label>
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    <link:label id="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_019ce809-fa2c-77de-9a2e-c875819a1066_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtTextBlock_019ce809-faae-77c0-9519-cb0cfa36a1d3_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt [Text Block]</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" xml:lang="en-US">Long-Term Debt [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_DocumentTransitionReport_019ce809-fa2c-787a-964d-0ac9eec84b07_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_us-gaap_ProceedsFromRepaymentsOfCommercialPaper_019ce809-faae-7969-be93-18f4ecfdb016_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfCommercialPaper" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings (repayments) of short-term debt, net</link:label>
    <link:label id="lab_us-gaap_ProceedsFromRepaymentsOfCommercialPaper_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfCommercialPaper" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from (Repayments of) Commercial Paper</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfCommercialPaper" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfCommercialPaper"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfCommercialPaper" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfCommercialPaper" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_019ce809-fa2c-7e0b-9a6b-eadf6f38482c_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayments of Other Long-Term Debt</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Other Long-Term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfOtherLongTermDebt" xlink:to="lab_us-gaap_RepaymentsOfOtherLongTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityComponentDomain_019ce809-faaf-712b-b81b-a1e018cb6627_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_DocumentPeriodEndDate_019ce809-fa2c-7955-992b-b705901ae519_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis_019ce809-fa2c-794b-9879-78f27bef269c_terseLabel_en-US" xlink:label="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Outstanding Equity Forward Sale Agreements [Axis]</link:label>
    <link:label id="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis_label_en-US" xlink:label="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Outstanding Equity Forward Sale Agreements [Axis]</link:label>
    <link:label id="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis_documentation_en-US" xlink:label="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Outstanding Equity Forward Sale Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:href="ogs-20260630.xsd#ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:to="lab_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites_019ce809-faae-7e60-9e8c-f25975075d91_terseLabel_en-US" xlink:label="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Asset for Costs Associated with Manufactured Gas Sites</link:label>
    <link:label id="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites_label_en-US" xlink:label="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Asset for Costs Associated with Manufactured Gas Sites</link:label>
    <link:label id="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites_documentation_en-US" xlink:label="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Asset for Costs Associated with Manufactured Gas Sites</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:href="ogs-20260630.xsd#ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:to="lab_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_019ce809-fa2c-7a44-ba7a-e3156db7f95f_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure</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" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_EarningsPerShareDilutedAbstract_019ce809-fa2d-75a5-a66c-22ad856ca61d_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted EPS Calculation</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract" xlink:to="lab_us-gaap_EarningsPerShareDilutedAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_NonserviceCostsMember_019ce809-f98c-7dca-86d2-902d40ba8551_terseLabel_en-US" xlink:label="lab_ogs_NonserviceCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonservice Costs Member</link:label>
    <link:label id="lab_ogs_NonserviceCostsMember_label_en-US" xlink:label="lab_ogs_NonserviceCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonservice Costs [Member]</link:label>
    <link:label id="lab_ogs_NonserviceCostsMember_documentation_en-US" xlink:label="lab_ogs_NonserviceCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nonservice Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NonserviceCostsMember" xlink:href="ogs-20260630.xsd#ogs_NonserviceCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_NonserviceCostsMember" xlink:to="lab_ogs_NonserviceCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable_019ce809-faaf-773c-afe8-c8e8aa3fd56b_terseLabel_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Table]</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable_label_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Table]</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable_documentation_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:href="ogs-20260630.xsd#ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:to="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTable" xlink:type="arc" order="1"/>
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    <link:label id="lab_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Additional Shares Option, Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Additional Shares Option, Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" xlink:to="lab_ogs_ForwardContractIndexedToEquityAdditionalSharesOptionNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementScenarioAxis_019ce809-faae-7f89-9885-15914e03f679_terseLabel_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:label id="lab_srt_StatementScenarioAxis_label_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
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    <link:label id="lab_us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_019ce809-fa2c-7592-9752-8142471760a0_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Income and Other Expense Disclosure [Text Block]</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income and Expense [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock"/>
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    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock_019ce809-fa2d-7b74-a01d-e89d48e071b8_terseLabel_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock_label_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Table Text Block]</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock_documentation_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Table Text Block] for Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock" xlink:href="ogs-20260630.xsd#ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock"/>
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    <link:label id="lab_dei_DocumentType_019ce809-fa2c-7328-93d5-c51263cb5bc5_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
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    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_019ce809-fa2d-7776-af3d-840a96c9f8ea_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3</link:label>
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    <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" xml:lang="en-US">Earnings Per Share [Text Block]</link:label>
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    <link:label id="lab_us-gaap_AdditionalPaidInCapital_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_019ce809-fa2c-71cf-b49e-5b876f2aee8f_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_019ce809-fa2c-7fa7-818a-4ec197efdf3f_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Five</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive"/>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_019ce809-f98c-7892-a996-1a5be52e5956_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Other Assets, Investing Activities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Other Assets, Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities"/>
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    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems_019ce809-faae-7ddd-8f23-f4ec66cede39_terseLabel_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems_label_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</link:label>
    <link:label id="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems_documentation_en-US" xlink:label="lab_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Line Items] for Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</link:label>
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    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_019ce809-fa2c-7da9-ada5-b2c931d0a44b_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Type [Domain]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatoryAssetDomain"/>
    <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"/>
    <link:label id="lab_ogs_SecuritizationCustomerChargesMember_019ce809-fa2c-7c27-8cce-2a6b6b6254ab_terseLabel_en-US" xlink:label="lab_ogs_SecuritizationCustomerChargesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securitization Customer Charges</link:label>
    <link:label id="lab_ogs_SecuritizationCustomerChargesMember_label_en-US" xlink:label="lab_ogs_SecuritizationCustomerChargesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securitization Customer Charges [Member]</link:label>
    <link:label id="lab_ogs_SecuritizationCustomerChargesMember_documentation_en-US" xlink:label="lab_ogs_SecuritizationCustomerChargesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securitization Customer Charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SecuritizationCustomerChargesMember" xlink:href="ogs-20260630.xsd#ogs_SecuritizationCustomerChargesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SecuritizationCustomerChargesMember" xlink:to="lab_ogs_SecuritizationCustomerChargesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredTaxAssetsLeasingArrangements_019ce809-fa2d-7c0f-a827-f3694a65f8e5_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxAssetsLeasingArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Leasing Arrangements</link:label>
    <link:label id="lab_ogs_DeferredTaxAssetsLeasingArrangements_label_en-US" xlink:label="lab_ogs_DeferredTaxAssetsLeasingArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Leasing Arrangements</link:label>
    <link:label id="lab_ogs_DeferredTaxAssetsLeasingArrangements_documentation_en-US" xlink:label="lab_ogs_DeferredTaxAssetsLeasingArrangements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Leasing Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxAssetsLeasingArrangements" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxAssetsLeasingArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredTaxAssetsLeasingArrangements" xlink:to="lab_ogs_DeferredTaxAssetsLeasingArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019ce809-fa2d-7bb8-9f0b-b663cff17638_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payment, Tax Withholding, Share-based Payment Arrangement</link:label>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment, Tax Withholding, Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_UnderrecoveredpurchasedgascostsMember_019ce809-fa2c-7433-a815-b595a7a0854f_terseLabel_en-US" xlink:label="lab_ogs_UnderrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Under-recovered purchased-gas costs [Member]</link:label>
    <link:label id="lab_ogs_UnderrecoveredpurchasedgascostsMember_label_en-US" xlink:label="lab_ogs_UnderrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Under-recovered purchased-gas costs [Member]</link:label>
    <link:label id="lab_ogs_UnderrecoveredpurchasedgascostsMember_documentation_en-US" xlink:label="lab_ogs_UnderrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the amount of under-recovered purchased-gas costs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_UnderrecoveredpurchasedgascostsMember" xlink:href="ogs-20260630.xsd#ogs_UnderrecoveredpurchasedgascostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_UnderrecoveredpurchasedgascostsMember" xlink:to="lab_ogs_UnderrecoveredpurchasedgascostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member_019ce809-fa2c-7497-ac72-63b5f323a654_terseLabel_en-US" xlink:label="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4.658% Senior Unsecured Notes Due 2044</link:label>
    <link:label id="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member_label_en-US" xlink:label="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">4.658% Senior Unsecured Notes Due 2044 [Member]</link:label>
    <link:label id="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member_documentation_en-US" xlink:label="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">4.658% Senior Unsecured Notes Due 2044</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:href="ogs-20260630.xsd#ogs_A4658SeniorUnsecuredNotesDue2044Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:to="lab_ogs_A4658SeniorUnsecuredNotesDue2044Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis_019ce809-fa2c-7bb9-b0fa-24b403b86f6e_terseLabel_en-US" xlink:label="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER INCOME AND OTHER EXPENSE [Axis]</link:label>
    <link:label id="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis_label_en-US" xlink:label="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OTHER INCOME AND OTHER EXPENSE [Axis]</link:label>
    <link:label id="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis_documentation_en-US" xlink:label="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Detail of other income and other expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:href="ogs-20260630.xsd#ogs_OTHERINCOMEANDOTHEREXPENSEAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:to="lab_ogs_OTHERINCOMEANDOTHEREXPENSEAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments_019ce809-faae-7a19-a991-7ea50051efdd_negatedTerseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, regulatory adjustments</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plan, regulatory adjustments</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments_documentation_en-US" xlink:label="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss) reclassification - Regulatory adjustments represent pension and other postretirement benefit costs expected to be recovered through rates and are deferred as part of our regulatory assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanRegulatoryAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:to="lab_ogs_DefinedBenefitPlanRegulatoryAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_019ce809-fa2d-7cc1-8d73-8942057136b7_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_019ce809-fa2d-7ce9-af0c-5a06b60ff265_verboseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Regulatory assets, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Asset, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dei_EntityInformationLineItems_019ce809-faae-7207-b463-abfef44d914a_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_ogs_DevelopedForeignEquitiesMember_019ce809-faae-75e6-aff2-4d6b1fa3a530_terseLabel_en-US" xlink:label="lab_ogs_DevelopedForeignEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Developed Foreign Equities</link:label>
    <link:label id="lab_ogs_DevelopedForeignEquitiesMember_label_en-US" xlink:label="lab_ogs_DevelopedForeignEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Developed Foreign Equities [Member]</link:label>
    <link:label id="lab_ogs_DevelopedForeignEquitiesMember_documentation_en-US" xlink:label="lab_ogs_DevelopedForeignEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Developed Foreign Equities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DevelopedForeignEquitiesMember" xlink:href="ogs-20260630.xsd#ogs_DevelopedForeignEquitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DevelopedForeignEquitiesMember" xlink:to="lab_ogs_DevelopedForeignEquitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_019ce809-fa2c-70ab-bc5b-7c1a08548c71_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" 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" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_LineOfCreditFacilityLineItems_019ce809-f98c-7572-aff7-cdea9f53fa58_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt [Line Items]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax_019ce809-fa2c-7550-b9cb-b45ec7abf71b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract_019ce809-fa2d-7ab3-9e20-99fe17a6881f_terseLabel_en-US" xlink:label="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee Operating Lease Minimum Term Of Contract</link:label>
    <link:label id="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract_label_en-US" xlink:label="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee Operating Lease Minimum Term Of Contract</link:label>
    <link:label id="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract_documentation_en-US" xlink:label="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lessee Operating Lease Minimum Term Of Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:href="ogs-20260630.xsd#ogs_LesseeOperatingLeaseMinimumTermOfContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:to="lab_ogs_LesseeOperatingLeaseMinimumTermOfContract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionLineItems_019ce809-fa2c-73ca-bd26-bb9418c75beb_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Line Items]</link:label>
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionLineItems_label_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems" xlink:to="lab_us-gaap_LesseeLeaseDescriptionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments_019ce809-faaf-70f1-8f86-166add84cbb4_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Regulatory adjustments</link:label>
    <link:label id="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments_label_en-US" xlink:label="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Regulatory adjustments</link:label>
    <link:label id="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments_documentation_en-US" xlink:label="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Regulatory adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxAssetsRegulatoryAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:to="lab_ogs_DeferredTaxAssetsRegulatoryAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_019ce809-f98c-7d1c-ac88-a73b32094352_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_019ce809-faaf-79d9-8124-4d7bfa90597c_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_EarningsPerShareDiluted_019ce809-f98c-7819-8cdd-6c661586e490_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_019ce809-f98c-7387-8f54-7f69a4c2724e_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</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" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_CashAndMoneyMarketFundsMember_019ce809-faaf-74f8-b8e9-0f4e7fde0337_terseLabel_en-US" xlink:label="lab_ogs_CashAndMoneyMarketFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Money Market Funds</link:label>
    <link:label id="lab_ogs_CashAndMoneyMarketFundsMember_label_en-US" xlink:label="lab_ogs_CashAndMoneyMarketFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Money Market Funds [Member]</link:label>
    <link:label id="lab_ogs_CashAndMoneyMarketFundsMember_documentation_en-US" xlink:label="lab_ogs_CashAndMoneyMarketFundsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash and Money Market Funds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CashAndMoneyMarketFundsMember" xlink:href="ogs-20260630.xsd#ogs_CashAndMoneyMarketFundsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CashAndMoneyMarketFundsMember" xlink:to="lab_ogs_CashAndMoneyMarketFundsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService_019ce809-faae-72e3-bc79-0b3d012d77f0_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_019ce809-fa2c-7d87-995e-15455257b689_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_LesseeLeaseDescriptionTable_019ce809-faaf-7a57-a559-c801ced8275f_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Table]</link:label>
    <link:label id="lab_us-gaap_LesseeLeaseDescriptionTable_label_en-US" xlink:label="lab_us-gaap_LesseeLeaseDescriptionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Lease, Description [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable" xlink:to="lab_us-gaap_LesseeLeaseDescriptionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_NaturalgassalestocustomersMember_019ce809-faaf-74ba-8ba8-f4ede402ac8b_terseLabel_en-US" xlink:label="lab_ogs_NaturalgassalestocustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Natural gas sales to customers [Member]</link:label>
    <link:label id="lab_ogs_NaturalgassalestocustomersMember_label_en-US" xlink:label="lab_ogs_NaturalgassalestocustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Natural gas sales to customers [Member]</link:label>
    <link:label id="lab_ogs_NaturalgassalestocustomersMember_documentation_en-US" xlink:label="lab_ogs_NaturalgassalestocustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Natural gas sales to customers represent revenue from contracts with customers through implied contracts established by our tariff rates approved by the regulatory authorities and includes residential, commercial, industrial, wholesale and public authority customers. For natural gas sales, the customer receives the benefits of our performance when the commodity is received and simultaneously consumed by the customer. The performance obligation is satisfied over time as the customer consumes the natural gas.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_NaturalgassalestocustomersMember" xlink:href="ogs-20260630.xsd#ogs_NaturalgassalestocustomersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_NaturalgassalestocustomersMember" xlink:to="lab_ogs_NaturalgassalestocustomersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate_019ce809-fa2c-754b-9fbc-3903c1e4d7a3_terseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share</link:label>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate_label_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForwardContractIndexedToIssuersEquityForwardRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate" xlink:to="lab_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_019ce809-faaf-739e-932a-d45de852dfce_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAssumptionsUsedTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember_019ce809-f98c-73f1-82ee-fedaf79d5edd_terseLabel_en-US" xlink:label="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments At Fair Value Hierarchy Total [Domain]</link:label>
    <link:label id="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember_label_en-US" xlink:label="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments At Fair Value Hierarchy Total [Member]</link:label>
    <link:label id="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember_documentation_en-US" xlink:label="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments At Fair Value Hierarchy Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:href="ogs-20260630.xsd#ogs_InvestmentsAtFairValueHierarchyTotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:to="lab_ogs_InvestmentsAtFairValueHierarchyTotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_019ce809-faaf-7657-a7f3-8bf01d20f8ff_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019ce809-faaf-74fa-b910-8071857fc0ed_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Paid, State and Local, after Refund Received</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Paid, State and Local, after Refund Received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived" xlink:to="lab_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity_019f3de7-a764-7dd6-bd1c-3dda0ea9bccd_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity</link:label>
    <link:label id="lab_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity_label_en-US" xlink:label="lab_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity" xlink:to="lab_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_019ce809-faaf-73a1-ba69-066bf683c2c2_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PrepaidExpenseCurrentAndNoncurrent_019f95f4-3d4b-73d3-9489-2e217fd061bc_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid Expense</link:label>
    <link:label id="lab_us-gaap_PrepaidExpenseCurrentAndNoncurrent_label_en-US" xlink:label="lab_us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrentAndNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:to="lab_us-gaap_PrepaidExpenseCurrentAndNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits_019ce809-fa2d-762d-8234-cb3de717daaa_terseLabel_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits_label_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits</link:label>
    <link:label id="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits_documentation_en-US" xlink:label="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:href="ogs-20260630.xsd#ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:to="lab_ogs_DeferredTaxLiabilitiesTaxDeferredExpenseCompensationAndBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_019ce809-fa2d-7d7c-ad21-7e534ab7259a_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:to="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DomesticCountryMember_019ce809-fa2d-7542-8935-5c5afc26bb33_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticCountryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Domestic Tax Jurisdiction</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" xml:lang="en-US">Domestic Tax Jurisdiction [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant</link:label>
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    <link:label id="lab_us-gaap_RegulatoryLiabilityDomain_019ce809-fa2c-7a7a-841a-52102cbe1a6f_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Regulatory Liability [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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    <link:label id="lab_ogs_PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan_label_en-US" xlink:label="lab_ogs_PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent of employees who participated in the Employee Stock Purchase Plan</link:label>
    <link:label id="lab_ogs_PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan_documentation_en-US" xlink:label="lab_ogs_PercentOfEmployeesWhoParticipatedInTheEmployeeStockPurchasePlan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent of employees who participated in the Employee Stock Purchase Plan</link:label>
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    <link:label id="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member_019ce809-fa2c-71a4-9dcc-294221d15912_terseLabel_en-US" xlink:label="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.486% KGSS-I Securitized Utility Tariff Bonds Due 2032</link:label>
    <link:label id="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member_label_en-US" xlink:label="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">5.486% KGSS-I Securitized Utility Tariff Bonds Due 2032 [Member]</link:label>
    <link:label id="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member_documentation_en-US" xlink:label="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">5.486% KGSS-I Securitized Utility Tariff Bonds Due 2032</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:href="ogs-20260630.xsd#ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:to="lab_ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionDescription_label_en-US" xlink:label="lab_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investment Redemption, Description</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionDescription" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionDescription"/>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019ce809-fa2c-7faf-9939-822f476f1037_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
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    <link:label id="lab_us-gaap_CashSurrenderValueOfLifeInsurance_019ce809-fa2c-7f85-b681-25a4a5e95d2d_terseLabel_en-US" xlink:label="lab_us-gaap_CashSurrenderValueOfLifeInsurance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Surrender Value of Life Insurance</link:label>
    <link:label id="lab_us-gaap_CashSurrenderValueOfLifeInsurance_label_en-US" xlink:label="lab_us-gaap_CashSurrenderValueOfLifeInsurance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Surrender Value of Life Insurance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashSurrenderValueOfLifeInsurance" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashSurrenderValueOfLifeInsurance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashSurrenderValueOfLifeInsurance" xlink:to="lab_us-gaap_CashSurrenderValueOfLifeInsurance" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum_019ce809-fa2c-791b-aed2-cf85819accf2_terseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum"/>
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    <link:label id="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity_019ce809-f98c-76d0-9aa1-f7c19f2258c9_terseLabel_en-US" xlink:label="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Settlement of Forward Contract Indexed to Issuer's Equity</link:label>
    <link:label id="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity_label_en-US" xlink:label="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Settlement of Forward Contract Indexed to Issuer's Equity</link:label>
    <link:label id="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity_documentation_en-US" xlink:label="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from Settlement of Forward Contract Indexed to Issuer's Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:href="ogs-20260630.xsd#ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:to="lab_ogs_ProceedsFromSettlementOfForwardContractIndexedToIssuersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CorporateBondSecuritiesMember_019ce809-fa2d-75e8-96c2-69bd78b0a040_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateBondSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate Bond Securities</link:label>
    <link:label id="lab_us-gaap_CorporateBondSecuritiesMember_label_en-US" xlink:label="lab_us-gaap_CorporateBondSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Bond Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CorporateBondSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateBondSecuritiesMember" xlink:to="lab_us-gaap_CorporateBondSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossOnReacquiredDebtMember_019ce809-fa2d-77fc-bacf-ae82cede7ba2_terseLabel_en-US" xlink:label="lab_us-gaap_LossOnReacquiredDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reacquired debt costs [Member]</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" xml:lang="en-US">Loss on Reacquired Debt [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossOnReacquiredDebtMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019ce809-faaf-7ea0-96be-6520dd041667_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense_019ce809-fa2c-713d-84f8-ff0280c9eb11_terseLabel_en-US" xlink:label="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Expense</link:label>
    <link:label id="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense_label_en-US" xlink:label="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Expense</link:label>
    <link:label id="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense_documentation_en-US" xlink:label="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:href="ogs-20260630.xsd#ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:to="lab_ogs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLossCarryforwardsLineItems_019ce809-faaf-7a9e-b599-ab5043d53d63_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards [Line Items]</link:label>
    <link:label id="lab_us-gaap_OperatingLossCarryforwardsLineItems_label_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards [Line Items]</link:label>
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    <link:label id="lab_ogs_IRS2022FederalIncomeTaxReturn_019f4280-4318-72e2-99a3-5da8ddd34428_totalLabel_en-US" xlink:label="lab_ogs_IRS2022FederalIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">IRS 2022 Federal Income Tax Return</link:label>
    <link:label id="lab_ogs_IRS2022FederalIncomeTaxReturn_label_en-US" xlink:label="lab_ogs_IRS2022FederalIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRS 2022 Federal Income Tax Return</link:label>
    <link:label id="lab_ogs_IRS2022FederalIncomeTaxReturn_documentation_en-US" xlink:label="lab_ogs_IRS2022FederalIncomeTaxReturn" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRS 2022 Federal Income Tax Return</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IRS2022FederalIncomeTaxReturn" xlink:href="ogs-20260630.xsd#ogs_IRS2022FederalIncomeTaxReturn"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_019ce809-fa2d-71e2-a97e-a01a8c3350f7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service cost</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Service Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
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    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_019ce809-faaf-7947-abfd-efc9f0b65c55_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
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    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_019ce809-faae-7759-b3fe-bd7d0db9683c_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification, Comparability Adjustment</link:label>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification, Comparability Adjustment [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent_019ce809-faaf-7849-b887-a70b4a93d78f_terseLabel_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences, Percent</link:label>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent_label_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences, Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent_documentation_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences, Effective Income Tax Rate Reconciliation, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:href="ogs-20260630.xsd#ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:to="lab_ogs_TaxEffectOfPermanentDifferencesEffectiveIncomeTaxRateReconciliationPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_019ce809-faae-7f87-86d5-b6f1a3ced218_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory, Policy</link:label>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock" xlink:to="lab_us-gaap_InventoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommodityOptionMember_019ce809-faae-7206-afa1-75b4d58ad9c2_terseLabel_en-US" xlink:label="lab_us-gaap_CommodityOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity Option</link:label>
    <link:label id="lab_us-gaap_CommodityOptionMember_label_en-US" xlink:label="lab_us-gaap_CommodityOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commodity Option [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityOptionMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityOptionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommodityOptionMember" xlink:to="lab_us-gaap_CommodityOptionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_019ce809-fa2d-726c-82cb-d3f75455d3e2_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus"/>
    <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_LesseeOperatingLeaseTermOfContract_019ce809-fa2c-73cc-89da-9f9aa28ae496_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_UnsecuredTermLoanDue2026Member_019f3ded-17eb-796f-9e74-6ad264767882_terseLabel_en-US" xlink:label="lab_ogs_UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unsecured Term Loan Due 2026</link:label>
    <link:label id="lab_ogs_UnsecuredTermLoanDue2026Member_label_en-US" xlink:label="lab_ogs_UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Term Loan Due 2026 [Member]</link:label>
    <link:label id="lab_ogs_UnsecuredTermLoanDue2026Member_documentation_en-US" xlink:label="lab_ogs_UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unsecured Term Loan Due 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_UnsecuredTermLoanDue2026Member" xlink:href="ogs-20260630.xsd#ogs_UnsecuredTermLoanDue2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_UnsecuredTermLoanDue2026Member" xlink:to="lab_ogs_UnsecuredTermLoanDue2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare_019fa408-0a7d-78e2-8820-dcab67f25fcd_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's At-the-Market Equity, Forward Rate Per Share</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's At-the-Market Equity, Forward Rate Per Share</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Issuer's At-the-Market Equity, Forward Rate Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:to="lab_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_019ce809-fa2c-7e8f-af08-83ee81386206_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_019ce809-fa2c-74ae-8d7d-5ef2bbe63706_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" 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" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_srt_ConsolidatedEntitiesDomain_019ce809-faaf-7522-8af2-4a7acc115e2b_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesDomain_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesDomain" xlink:to="lab_srt_ConsolidatedEntitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OtherrevenuesMember_019ce809-fa2c-7bfc-8702-ab9c858851e7_terseLabel_en-US" xlink:label="lab_ogs_OtherrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other revenues [Member]</link:label>
    <link:label id="lab_ogs_OtherrevenuesMember_label_en-US" xlink:label="lab_ogs_OtherrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other revenues [Member]</link:label>
    <link:label id="lab_ogs_OtherrevenuesMember_documentation_en-US" xlink:label="lab_ogs_OtherrevenuesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other revenues [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OtherrevenuesMember" xlink:href="ogs-20260630.xsd#ogs_OtherrevenuesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OtherrevenuesMember" xlink:to="lab_ogs_OtherrevenuesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_019ce809-fa2c-7ef2-ad3d-3217cdd67268_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019ce809-fa2c-7968-823e-6ea2b1c1b70f_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
    <link:label id="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_label_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fbf42-1de2-77a7-95f5-3326b72590f7_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, after Offset</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, after Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement" xlink:to="lab_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancialInstrumentAxis_019ce809-faae-75ef-b273-6040829981cc_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Financial Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_StatementOfFinancialPositionAbstract_019ce809-fa2d-70f6-9596-6b080a52505d_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths_019ce809-fa2c-7d40-a6a3-b647352cee74_terseLabel_en-US" xlink:label="lab_ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Price Percentage Of Lower O fIts Grant Date Or Exercise Date Market Price In Hundredths</link:label>
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    <link:label id="lab_ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths_documentation_en-US" xlink:label="lab_ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Price Percentage Of Lower O fIts Grant Date Or Exercise Date Market Price In Hundredths</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths" xlink:href="ogs-20260630.xsd#ogs_PurchasePricePercentageOfLowerOFItsGrantDateOrExerciseDateMarketPriceInHundredths"/>
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    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019ce809-fa2c-71c3-901a-dbf10788608b_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_019ce809-fa2c-782a-9d7a-0560d3904f6c_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Benefit Obligation</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Benefit Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:to="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_019ce809-f98c-7c41-b2ee-1fd05fe921d6_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="lab_us-gaap_StatementClassOfStockAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpense_019ce809-faaf-7b8b-890e-d0cbb6f1c9bf_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense, net</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" xml:lang="en-US">Interest Expense, Operating and Nonoperating</link:label>
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    <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_dei_CurrentFiscalYearEndDate_019ce809-fa2c-778b-a6e3-a83950daf1df_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Current Fiscal Year End Date</link:label>
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    <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_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_019ce809-faaf-711d-93dc-3898aca6ec78_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear"/>
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    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_019ce809-fa2c-75c3-b445-27caeb4a3a2a_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable_019ce809-faae-71ee-92b6-e7d6a22fdbfb_terseLabel_en-US" xlink:label="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EARNINGS PER SHARE [Table]</link:label>
    <link:label id="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable_label_en-US" xlink:label="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EARNINGS PER SHARE OF COMMON STOCK, BASIC AND DILUTED [Table]</link:label>
    <link:label id="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable_documentation_en-US" xlink:label="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">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.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:href="ogs-20260630.xsd#ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:to="lab_ogs_EARNINGSPERSHAREOFCOMMONSTOCKBASICANDDILUTEDTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_019ce809-fa2c-7c6b-b693-07a4f99bacbb_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Other</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesOther" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetirementPlanTypeAxis_019ce809-faaf-786b-b36f-4f84167bdd72_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Plan Type [Axis]</link:label>
    <link:label id="lab_us-gaap_RetirementPlanTypeAxis_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Plan Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanTypeAxis" xlink:to="lab_us-gaap_RetirementPlanTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_019ce809-fa2d-7520-8635-c9190255a218_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
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    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_019ce809-faaf-77d6-9e9b-b4517c52fbcd_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
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    <link:label id="lab_us-gaap_StatementTable_019ce809-fa2d-7e91-a075-4ca35c4e8faf_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_label_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_019ce809-faaf-74c7-8860-7367eb482e5f_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets"/>
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    <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" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
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    <link:label id="lab_ogs_OTHERINCOMEANDOTHEREXPENSEDomain_label_en-US" xlink:label="lab_ogs_OTHERINCOMEANDOTHEREXPENSEDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OTHER INCOME AND OTHER EXPENSE [Domain]</link:label>
    <link:label id="lab_ogs_OTHERINCOMEANDOTHEREXPENSEDomain_documentation_en-US" xlink:label="lab_ogs_OTHERINCOMEANDOTHEREXPENSEDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Detail of other income and other expense.</link:label>
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    <link:label id="lab_ogs_IRS2022IncomeTaxReturnFederalIncomeTax_label_en-US" xlink:label="lab_ogs_IRS2022IncomeTaxReturnFederalIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRS 2022 Income Tax Return, Federal Income Tax</link:label>
    <link:label id="lab_ogs_IRS2022IncomeTaxReturnFederalIncomeTax_documentation_en-US" xlink:label="lab_ogs_IRS2022IncomeTaxReturnFederalIncomeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRS 2022 Income Tax Return, Federal Income Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IRS2022IncomeTaxReturnFederalIncomeTax" xlink:href="ogs-20260630.xsd#ogs_IRS2022IncomeTaxReturnFederalIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IRS2022IncomeTaxReturnFederalIncomeTax" xlink:to="lab_ogs_IRS2022IncomeTaxReturnFederalIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReceivablesNetCurrent_019ce809-f98c-776a-9775-62e22c421014_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_ReceivablesNetCurrent_label_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Net, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesNetCurrent" xlink:to="lab_us-gaap_ReceivablesNetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OverrecoveredpurchasedgascostsMember_019ce809-fa2c-7fba-8962-3974b0c5f513_terseLabel_en-US" xlink:label="lab_ogs_OverrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Over-recovered purchased-gas costs [Member]</link:label>
    <link:label id="lab_ogs_OverrecoveredpurchasedgascostsMember_label_en-US" xlink:label="lab_ogs_OverrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Over-recovered purchased-gas costs [Member]</link:label>
    <link:label id="lab_ogs_OverrecoveredpurchasedgascostsMember_documentation_en-US" xlink:label="lab_ogs_OverrecoveredpurchasedgascostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the amount of over-recovered purchased-gas costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OverrecoveredpurchasedgascostsMember" xlink:href="ogs-20260630.xsd#ogs_OverrecoveredpurchasedgascostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OverrecoveredpurchasedgascostsMember" xlink:to="lab_ogs_OverrecoveredpurchasedgascostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentDomain_019ce809-fa2c-77e7-98a9-c0cdf68f07ca_terseLabel_en-US" xlink:label="lab_dei_DocumentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
    <link:label id="lab_dei_DocumentDomain_label_en-US" xlink:label="lab_dei_DocumentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentDomain" xlink:to="lab_dei_DocumentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_IncreaseDecreaseAssetRemovalCosts_019ce809-f98c-778b-9c81-78ed3b0ff816_terseLabel_en-US" xlink:label="lab_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Asset removal costs</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseAssetRemovalCosts_label_en-US" xlink:label="lab_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Asset Removal Costs</link:label>
    <link:label id="lab_ogs_IncreaseDecreaseAssetRemovalCosts_documentation_en-US" xlink:label="lab_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) Asset Removal Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:href="ogs-20260630.xsd#ogs_IncreaseDecreaseAssetRemovalCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:to="lab_ogs_IncreaseDecreaseAssetRemovalCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits_019ce809-faaf-7dbd-817c-464a09881f0f_terseLabel_en-US" xlink:label="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits</link:label>
    <link:label id="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits_label_en-US" xlink:label="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits</link:label>
    <link:label id="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits_documentation_en-US" xlink:label="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:href="ogs-20260630.xsd#ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:to="lab_ogs_Minimumnumberofyearsofserviceforcertainemployeestobeeligibletoparticipateinsharedwelfareplansthatprovidepostretirementmedicalandlifeinsurancebenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019ce809-fa2c-7799-9708-3713b227c7e9_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</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" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue_019ce809-faae-7f38-985b-17a34979f4cb_terseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Cash, Amount</link:label>
    <link:label id="lab_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue_label_en-US" xlink:label="lab_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Cash, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" xlink:to="lab_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_GovernmentObligationsMember_019ce809-faae-7eaf-b42b-a3d50295f472_terseLabel_en-US" xlink:label="lab_ogs_GovernmentObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Government Obligations</link:label>
    <link:label id="lab_ogs_GovernmentObligationsMember_label_en-US" xlink:label="lab_ogs_GovernmentObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Government Obligations [Member]</link:label>
    <link:label id="lab_ogs_GovernmentObligationsMember_documentation_en-US" xlink:label="lab_ogs_GovernmentObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Government Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_GovernmentObligationsMember" xlink:href="ogs-20260630.xsd#ogs_GovernmentObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_GovernmentObligationsMember" xlink:to="lab_ogs_GovernmentObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_019ce809-f98c-7bad-88d3-685eced7bb05_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_019ce809-fa2c-7fd4-aa63-40f3f166f1c6_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Expense, Tax Benefit</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Expense, Tax Benefit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember_019ce809-fa2c-7e29-9afd-77d8be4e5667_terseLabel_en-US" xlink:label="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss) on marketable equity securities</link:label>
    <link:label id="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember_label_en-US" xlink:label="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss) on marketable equity securities [Member]</link:label>
    <link:label id="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember_documentation_en-US" xlink:label="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss) on marketable equity securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:href="ogs-20260630.xsd#ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:to="lab_ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019ce809-fa2c-7a21-a83e-9e5cec2d67da_terseLabel_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ONE Gas Postretirement Benefit Plans [Member]</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" xml:lang="en-US">Other Postretirement Benefits Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock_019ce809-fa2d-71b5-becc-d2eea6a13d58_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Plan Assets</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Plan Assets [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeasesTextBlock_019ce809-fa2d-7f4c-adb8-dbd370c4f874_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeasesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeasesTextBlock_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeasesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Leases [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeasesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeasesTextBlock" xlink:to="lab_us-gaap_LesseeOperatingLeasesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_A510SeniorUnsecuredNotesDue2029Member_019ce809-fa2c-7d16-a492-3faa9d27ede8_terseLabel_en-US" xlink:label="lab_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.10% Senior Unsecured Notes Due 2029 [Member]</link:label>
    <link:label id="lab_ogs_A510SeniorUnsecuredNotesDue2029Member_label_en-US" xlink:label="lab_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">5.10% Senior Unsecured Notes Due 2029 [Member]</link:label>
    <link:label id="lab_ogs_A510SeniorUnsecuredNotesDue2029Member_documentation_en-US" xlink:label="lab_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">5.10% Senior Unsecured Notes Due 2029</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:href="ogs-20260630.xsd#ogs_A510SeniorUnsecuredNotesDue2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:to="lab_ogs_A510SeniorUnsecuredNotesDue2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ce809-fa2c-7e15-bf36-f89e729afa33_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_IncometaxratechangesMemberDomain_019ce809-fa2c-76c2-84be-4ad0b2674c18_terseLabel_en-US" xlink:label="lab_ogs_IncometaxratechangesMemberDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax rate changes [Member] [Domain]</link:label>
    <link:label id="lab_ogs_IncometaxratechangesMemberDomain_label_en-US" xlink:label="lab_ogs_IncometaxratechangesMemberDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax rate changes [Member] [Domain]</link:label>
    <link:label id="lab_ogs_IncometaxratechangesMemberDomain_documentation_en-US" xlink:label="lab_ogs_IncometaxratechangesMemberDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income tax rate changes [Member] [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IncometaxratechangesMemberDomain" xlink:href="ogs-20260630.xsd#ogs_IncometaxratechangesMemberDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IncometaxratechangesMemberDomain" xlink:to="lab_ogs_IncometaxratechangesMemberDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_019ce809-fa2c-7baf-8905-efef06828c18_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_019ce809-fa2d-7f8b-92c9-c3fadc3f0322_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="lab_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_019ce809-faaf-7cd8-9db2-658281697e16_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_AccruedInterestMember_019ce809-f98c-75c9-85ff-956300167410_terseLabel_en-US" xlink:label="lab_ogs_AccruedInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest</link:label>
    <link:label id="lab_ogs_AccruedInterestMember_label_en-US" xlink:label="lab_ogs_AccruedInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued interest [Member]</link:label>
    <link:label id="lab_ogs_AccruedInterestMember_documentation_en-US" xlink:label="lab_ogs_AccruedInterestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AccruedInterestMember" xlink:href="ogs-20260630.xsd#ogs_AccruedInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AccruedInterestMember" xlink:to="lab_ogs_AccruedInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ce809-faaf-798a-87b2-794defbd4545_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ce809-faaf-7979-bb80-5f1a89a083f6_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares_019ce809-fa2c-7dbf-ba3b-3ac0371b3cc7_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Original Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Original Number of Shares</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to Equity, Settlement, Original Number of Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:to="lab_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders_019ce809-faaf-7014-9a2c-d43e2cc1e6e2_terseLabel_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Compliance, Default Provision, Debt Holders</link:label>
    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders_label_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Compliance, Default Provision, Debt Holders</link:label>
    <link:label id="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders_documentation_en-US" xlink:label="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant Compliance, Default Provision - Threshold of percentage held, of the aggregate principal amount of outstanding Senior Notes, to declare acceleration of repayment upon an event of default.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:href="ogs-20260630.xsd#ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:to="lab_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_SignificantAccountingPoliciesTable_019ce809-faaf-742b-9390-61631577151b_terseLabel_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_ogs_SignificantAccountingPoliciesTable_label_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_ogs_SignificantAccountingPoliciesTable_documentation_en-US" xlink:label="lab_ogs_SignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant accounting policies of the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SignificantAccountingPoliciesTable" xlink:href="ogs-20260630.xsd#ogs_SignificantAccountingPoliciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SignificantAccountingPoliciesTable" xlink:to="lab_ogs_SignificantAccountingPoliciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived_019ce809-faaf-7507-9273-060bfbb20509_terseLabel_en-US" xlink:label="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Paid, Oklahoma, after Refund Received</link:label>
    <link:label id="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived_label_en-US" xlink:label="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Paid, Oklahoma, after Refund Received</link:label>
    <link:label id="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived_documentation_en-US" xlink:label="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Tax Paid, Oklahoma, after Refund Received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:href="ogs-20260630.xsd#ogs_IncomeTaxPaidOklahomaAfterRefundReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:to="lab_ogs_IncomeTaxPaidOklahomaAfterRefundReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_019ce809-f98c-7b72-b62d-3ed84adaae6d_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of natural gas</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Product and Service Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_AdvaloremtaxMember_019ce809-fa2c-7515-aa15-244b9a99b86c_terseLabel_en-US" xlink:label="lab_ogs_AdvaloremtaxMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ad valorem tax [Member]</link:label>
    <link:label id="lab_ogs_AdvaloremtaxMember_label_en-US" xlink:label="lab_ogs_AdvaloremtaxMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ad valorem tax [Member]</link:label>
    <link:label id="lab_ogs_AdvaloremtaxMember_documentation_en-US" xlink:label="lab_ogs_AdvaloremtaxMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ad valorem tax represents an increase in Kansas Gas Service&#8217;s taxes above the amount approved in a rate case. Kansas law permits a utility to file a tariff to recover additional ad valorem tax expense incurred above the amount currently recovered in the cost of service rate. This excess amount is recoverable through a surcharge and can be recovered, provided the utility reports the change in rates to the KCC, on an annual basis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_AdvaloremtaxMember" xlink:href="ogs-20260630.xsd#ogs_AdvaloremtaxMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_AdvaloremtaxMember" xlink:to="lab_ogs_AdvaloremtaxMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_019ce809-fa2c-756e-a115-2b1d709bae9c_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_Numberofsiteswithongoinggroundwatermonitoring_019ce809-fa2c-7b37-9d63-b850aa7984ba_terseLabel_en-US" xlink:label="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of sites with ongoing groundwater monitoring</link:label>
    <link:label id="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring_label_en-US" xlink:label="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of sites with ongoing groundwater monitoring</link:label>
    <link:label id="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring_documentation_en-US" xlink:label="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of sites where groundwater continues to be monitored in accordance to plans approved by the KDHE.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:href="ogs-20260630.xsd#ogs_Numberofsiteswithongoinggroundwatermonitoring"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:to="lab_ogs_Numberofsiteswithongoinggroundwatermonitoring" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmount_019ce809-fa2d-709e-b4d7-4e8187cb8b56_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Nonmonetary Notional Amount</link:label>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmount_label_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Nonmonetary Notional Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNonmonetaryNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:to="lab_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LandBuildingsAndImprovementsMember_019ce809-fa2d-7546-8aca-bb70a40c0ad5_terseLabel_en-US" xlink:label="lab_us-gaap_LandBuildingsAndImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land, Buildings and Improvements</link:label>
    <link:label id="lab_us-gaap_LandBuildingsAndImprovementsMember_label_en-US" xlink:label="lab_us-gaap_LandBuildingsAndImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land, Buildings and Improvements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandBuildingsAndImprovementsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LandBuildingsAndImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandBuildingsAndImprovementsMember" xlink:to="lab_us-gaap_LandBuildingsAndImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_019ce809-fa2c-7835-acd8-65bd7c015f22_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:to="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum_019ce809-faaf-716a-bca8-1df0fa33b6e1_terseLabel_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum_label_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum</link:label>
    <link:label id="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum_documentation_en-US" xlink:label="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:href="ogs-20260630.xsd#ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:to="lab_ogs_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_019ce809-faaf-717b-a6a3-541675e28fab_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_LineofCreditFacilitySublimit_019ce809-fa2d-7427-97b5-0bf786dad39f_terseLabel_en-US" xlink:label="lab_ogs_LineofCreditFacilitySublimit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility Sublimit</link:label>
    <link:label id="lab_ogs_LineofCreditFacilitySublimit_label_en-US" xlink:label="lab_ogs_LineofCreditFacilitySublimit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility Sublimit</link:label>
    <link:label id="lab_ogs_LineofCreditFacilitySublimit_documentation_en-US" xlink:label="lab_ogs_LineofCreditFacilitySublimit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the amount of sublimit for the issuance of standby letters of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_LineofCreditFacilitySublimit" xlink:href="ogs-20260630.xsd#ogs_LineofCreditFacilitySublimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_LineofCreditFacilitySublimit" xlink:to="lab_ogs_LineofCreditFacilitySublimit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_019ce809-fa2c-7c1e-a269-07d592707274_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Axis]</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:to="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_019ce809-fa2d-78b8-a3c5-1f19df85ec85_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_srt_ScenarioUnspecifiedDomain_019ce809-fa2c-7d68-a84d-3cc9978366a7_terseLabel_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.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_ReclassificationFromAociCurrentPeriodTax_019ce809-fa2d-7445-85fc-7c47ff8d6844_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification from AOCI, Current Period, Tax</link:label>
    <link:label id="lab_us-gaap_ReclassificationFromAociCurrentPeriodTax_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification from AOCI, Current Period, Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:to="lab_us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_CommercialPaperMaximumMaturityTerm_019ce809-fa2d-78c9-8f20-0e926cd502d9_terseLabel_en-US" xlink:label="lab_ogs_CommercialPaperMaximumMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CommercialPaperMaximumMaturityTerm</link:label>
    <link:label id="lab_ogs_CommercialPaperMaximumMaturityTerm_label_en-US" xlink:label="lab_ogs_CommercialPaperMaximumMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CommercialPaperMaximumMaturityTerm</link:label>
    <link:label id="lab_ogs_CommercialPaperMaximumMaturityTerm_documentation_en-US" xlink:label="lab_ogs_CommercialPaperMaximumMaturityTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CommercialPaperMaximumMaturityTerm</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CommercialPaperMaximumMaturityTerm" xlink:href="ogs-20260630.xsd#ogs_CommercialPaperMaximumMaturityTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CommercialPaperMaximumMaturityTerm" xlink:to="lab_ogs_CommercialPaperMaximumMaturityTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_019ce809-faae-7d7c-a807-2319e1630ea4_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plan, reclassification from AOCI, Current Period, before Tax, Attributable to Parent</link:label>
    <link:label id="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification from AOCI, Current Period, before Tax, Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:to="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatedOperatingRevenueOther_019ce809-f98c-7bd6-8b87-b5f991f39cc8_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenueOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue, Other</link:label>
    <link:label id="lab_us-gaap_RegulatedOperatingRevenueOther_label_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenueOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperatingRevenueOther" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatedOperatingRevenueOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatedOperatingRevenueOther" xlink:to="lab_us-gaap_RegulatedOperatingRevenueOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_019ce809-fa2c-763c-8756-3b70a783b43e_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity_019ce809-fa2c-7115-a988-23da6097a969_terseLabel_en-US" xlink:label="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility Option to Increase Borrowing Capacity</link:label>
    <link:label id="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity_label_en-US" xlink:label="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility Option to Increase Borrowing Capacity</link:label>
    <link:label id="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity_documentation_en-US" xlink:label="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the total amount the facility my increase to.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:href="ogs-20260630.xsd#ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:to="lab_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember_019fb9de-acd8-7699-9ec7-f209a8e3f895_terseLabel_en-US" xlink:label="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit due to change in federal tax regulation for securitization</link:label>
    <link:label id="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember_label_en-US" xlink:label="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit due to change in federal tax regulation for securitization [Member]</link:label>
    <link:label id="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember_documentation_en-US" xlink:label="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit due to change in federal tax regulation for securitization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:href="ogs-20260630.xsd#ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:to="lab_ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_019ce809-faae-7cec-8c02-e0df47d28ae8_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Securities, Available-for-Sale, Realized Gain (Loss)</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Available-for-Sale, Realized Gain (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss" xlink:to="lab_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_019ce809-faaf-7d71-a505-5211ea4207b8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld_019ce809-faaf-79bd-82cf-b6de14f5f052_terseLabel_en-US" xlink:label="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Premiums recorded in other current assets on natural gas contracts held</link:label>
    <link:label id="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld_label_en-US" xlink:label="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Premiums recorded in other current assets on natural gas contracts held</link:label>
    <link:label id="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld_documentation_en-US" xlink:label="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of premiums recorded in other current assets on natural gas contracts held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:href="ogs-20260630.xsd#ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:to="lab_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ce809-fa2c-78b0-9652-3f0f42c99c2b_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award [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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_RegulatoryLiabilities_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Liability</link:label>
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    <link:label id="lab_ogs_SecuritizedUtilityTariffBonds_019ce809-fa2c-7a18-b9ec-94b8f31440fc_terseLabel_en-US" xlink:label="lab_ogs_SecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securitized utility tariff bonds</link:label>
    <link:label id="lab_ogs_SecuritizedUtilityTariffBonds_label_en-US" xlink:label="lab_ogs_SecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securitized utility tariff bonds</link:label>
    <link:label id="lab_ogs_SecuritizedUtilityTariffBonds_documentation_en-US" xlink:label="lab_ogs_SecuritizedUtilityTariffBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Securitized utility tariff bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SecuritizedUtilityTariffBonds" xlink:href="ogs-20260630.xsd#ogs_SecuritizedUtilityTariffBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SecuritizedUtilityTariffBonds" xlink:to="lab_ogs_SecuritizedUtilityTariffBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_019ce809-fa2c-7c35-8337-d8aef3ba9d6a_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:to="lab_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_019ce809-fa2c-7fde-b5e1-10a8d226a460_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_019ce809-fa2c-73b5-8ca2-b65300fcb7b1_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" 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/2025/dei-2025.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_us-gaap_RegulatoryLiabilityCurrent_019ce809-fa2d-705b-8685-10de1bba41b9_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory liability, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_019ce809-fa2d-70e8-bcd5-2aed9241c286_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Liability, Current</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Liability, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_EquitySecuritiesMember_019ce809-fa2c-7992-8513-b70649d1ab15_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Equity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_RegulatedOperatingRevenueGas_019ce809-fa2c-7afe-9e8f-dd202c670bf2_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenueGas" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue, Gas</link:label>
    <link:label id="lab_us-gaap_RegulatedOperatingRevenueGas_label_en-US" xlink:label="lab_us-gaap_RegulatedOperatingRevenueGas" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated Operating Revenue, Gas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperatingRevenueGas" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatedOperatingRevenueGas"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatedOperatingRevenueGas" xlink:to="lab_us-gaap_RegulatedOperatingRevenueGas" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock_019ce809-f98c-7111-972a-2d8d3467bd1c_terseLabel_en-US" xlink:label="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Information Related to Operating Leases Table Text Block</link:label>
    <link:label id="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Information Related to Operating Leases Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Information Related to Operating Leases Table Text Block</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:href="ogs-20260630.xsd#ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:to="lab_ogs_OtherInformationRelatedToOperatingLeasesTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax_019ce809-fa2d-7663-a71c-44ca7bf5ee90_terseLabel_en-US" xlink:label="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Measure of Activity, Income Tax</link:label>
    <link:label id="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax_label_en-US" xlink:label="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Measure of Activity, Income Tax</link:label>
    <link:label id="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax_documentation_en-US" xlink:label="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Measure of Activity, Income Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:href="ogs-20260630.xsd#ogs_VariableInterestEntityMeasureOfActivityIncomeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:to="lab_ogs_VariableInterestEntityMeasureOfActivityIncomeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_019ce809-fa2c-7f8e-b220-518b0f67cdee_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated and Unregulated Operation [Domain]</link:label>
    <link:label id="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_label_en-US" xlink:label="lab_us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated and Unregulated Operation [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RegulatedAndUnregulatedOperationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:to="lab_us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferences_019ce809-fa2c-7a47-bac1-a784e831b3d6_terseLabel_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferences" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences</link:label>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferences_label_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences</link:label>
    <link:label id="lab_ogs_TaxEffectOfPermanentDifferences_documentation_en-US" xlink:label="lab_ogs_TaxEffectOfPermanentDifferences" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effect of permanent differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_TaxEffectOfPermanentDifferences" xlink:href="ogs-20260630.xsd#ogs_TaxEffectOfPermanentDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_TaxEffectOfPermanentDifferences" xlink:to="lab_ogs_TaxEffectOfPermanentDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_019ce809-fa2d-76ef-ac0a-5106f0f33f90_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</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" 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="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019ce809-fa2c-7817-88e0-80814753d68e_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_019fbf9f-6473-7e2d-b46e-df47ec6609dd_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Remaining Minimum Amount Committed</link:label>
    <link:label id="lab_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_label_en-US" xlink:label="lab_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Commitment, Remaining Minimum Amount Committed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted" xlink:to="lab_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PlanAssetCategoriesDomain_019ce809-fa2c-7f96-8066-e1a528e490c5_terseLabel_en-US" xlink:label="lab_us-gaap_PlanAssetCategoriesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Domain]</link:label>
    <link:label id="lab_us-gaap_PlanAssetCategoriesDomain_label_en-US" xlink:label="lab_us-gaap_PlanAssetCategoriesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PlanAssetCategoriesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain" xlink:to="lab_us-gaap_PlanAssetCategoriesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_A4.960UnsecuredTermLoanDue2026Member_019ce809-faaf-7e98-a0e1-7594f3248f97_terseLabel_en-US" xlink:label="lab_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4.960% Unsecured Term Loan Due 2026</link:label>
    <link:label id="lab_ogs_A4.960UnsecuredTermLoanDue2026Member_label_en-US" xlink:label="lab_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">4.960% Unsecured Term Loan Due 2026 [Member]</link:label>
    <link:label id="lab_ogs_A4.960UnsecuredTermLoanDue2026Member_documentation_en-US" xlink:label="lab_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">4.960% Unsecured Term Loan Due 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:href="ogs-20260630.xsd#ogs_A4.960UnsecuredTermLoanDue2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:to="lab_ogs_A4.960UnsecuredTermLoanDue2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember_019ce809-fa2d-7b39-aaa3-cca5ba396f95_terseLabel_en-US" xlink:label="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other revenues - natural gas sales related [Member]</link:label>
    <link:label id="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember_label_en-US" xlink:label="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other revenues - natural gas sales related [Member]</link:label>
    <link:label id="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember_documentation_en-US" xlink:label="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other revenues - natural gas sales related [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:href="ogs-20260630.xsd#ogs_OtherrevenuesnaturalgassalesrelatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:to="lab_ogs_OtherrevenuesnaturalgassalesrelatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_019ce809-fa2d-7163-af21-d29374881544_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating expenses</link:label>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract" xlink:to="lab_us-gaap_OperatingExpensesAbstract" xlink:type="arc" order="1"/>
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    <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" xml:lang="en-US">Other Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Contributions by Plan Participant</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_019ce809-fa2c-7274-9298-3a0c3d464cb8_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate"/>
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_019ce809-fa2c-7520-a5c2-ee379d8ac729_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefit obligations</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability, Defined Benefit Plan, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <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_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare_019ce809-f98c-7169-85e8-daf9765f53d6_terseLabel_en-US" xlink:label="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share price of shares sold under Employee Stock Purchase Plan in dollars per share</link:label>
    <link:label id="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare_label_en-US" xlink:label="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share price of shares sold under Employee Stock Purchase Plan in dollars per share</link:label>
    <link:label id="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare_documentation_en-US" xlink:label="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share price of shares sold under Employee Stock Purchase Plan in dollars per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:href="ogs-20260630.xsd#ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:to="lab_ogs_SharePriceOfSharesSoldUnderEmployeeStockPurchasePlanInDollarsPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract_019ce809-f98c-7efa-9e2f-80a4c1689369_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of net periodic benefit cost:</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract" xlink:to="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_019ce809-fa2c-7e75-a2d6-ad081aa30d99_verboseLabel_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operations and maintenance</link:label>
    <link:label id="lab_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_label_en-US" xlink:label="lab_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utilities Operating Expense, Maintenance and Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:to="lab_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_DeferredMGPCostsOriginalMaximum_019ce809-fa2c-715c-824f-e2f8a9264fa4_terseLabel_en-US" xlink:label="lab_ogs_DeferredMGPCostsOriginalMaximum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Maximum</link:label>
    <link:label id="lab_ogs_DeferredMGPCostsOriginalMaximum_label_en-US" xlink:label="lab_ogs_DeferredMGPCostsOriginalMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Original Maximum</link:label>
    <link:label id="lab_ogs_DeferredMGPCostsOriginalMaximum_documentation_en-US" xlink:label="lab_ogs_DeferredMGPCostsOriginalMaximum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred MGP Costs, Original Maximum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_DeferredMGPCostsOriginalMaximum" xlink:href="ogs-20260630.xsd#ogs_DeferredMGPCostsOriginalMaximum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_DeferredMGPCostsOriginalMaximum" xlink:to="lab_ogs_DeferredMGPCostsOriginalMaximum" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_019ce809-fa2d-7275-8ecf-3807bf06fdb1_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued, value</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementLineItems_019ce809-fa2c-7075-b578-d32de220377b_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_label_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_SmallCapEquitiesMember_019ce809-fa2c-7834-83de-a5e613527007_terseLabel_en-US" xlink:label="lab_ogs_SmallCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Small Cap Equities</link:label>
    <link:label id="lab_ogs_SmallCapEquitiesMember_label_en-US" xlink:label="lab_ogs_SmallCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Small Cap Equities [Member]</link:label>
    <link:label id="lab_ogs_SmallCapEquitiesMember_documentation_en-US" xlink:label="lab_ogs_SmallCapEquitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Small Cap Equities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_SmallCapEquitiesMember" xlink:href="ogs-20260630.xsd#ogs_SmallCapEquitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_SmallCapEquitiesMember" xlink:to="lab_ogs_SmallCapEquitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount_019fa408-0a7d-764c-965f-e40c467ef247_terseLabel_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Cash, Amount</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount_label_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Cash, Amount</link:label>
    <link:label id="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount_documentation_en-US" xlink:label="lab_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forward Contract Indexed to At-the-Market Equity, Settlement, Cash, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount" xlink:href="ogs-20260630.xsd#ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount"/>
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    <link:label id="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_019ce809-fa2c-75b1-a563-94d83bb9fcff_terseLabel_en-US" xlink:label="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Natural gas in storage</link:label>
    <link:label id="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_label_en-US" xlink:label="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Energy Related Inventory, Natural Gas in Storage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage"/>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_019ce809-fa2d-7275-8162-e2f6e80d7703_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" 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" xml:lang="en-US">Cash and Cash Equivalent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_ogs_CustomerCreditDeferralsMember_019ce809-fa2d-7431-a0c9-c0eafad366de_terseLabel_en-US" xlink:label="lab_ogs_CustomerCreditDeferralsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer credit deferrals</link:label>
    <link:label id="lab_ogs_CustomerCreditDeferralsMember_label_en-US" xlink:label="lab_ogs_CustomerCreditDeferralsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer credit deferrals [Member]</link:label>
    <link:label id="lab_ogs_CustomerCreditDeferralsMember_documentation_en-US" xlink:label="lab_ogs_CustomerCreditDeferralsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Customer credit deferrals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ogs_CustomerCreditDeferralsMember" xlink:href="ogs-20260630.xsd#ogs_CustomerCreditDeferralsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ogs_CustomerCreditDeferralsMember" xlink:to="lab_ogs_CustomerCreditDeferralsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockMember_019ce809-fa2c-786b-820c-d54b2c9910cb_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</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" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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"/>
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<TYPE>EX-101.PRE
<SEQUENCE>10
<FILENAME>ogs-20260630_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover Page - shares<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jul. 24, 2026</div></th>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentInformationLineItems', window );"><strong>Document Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001587732<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2026<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="Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q2<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">false<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-Q<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="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2026<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="Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<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="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-36108<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="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ONE Gas, Inc.<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="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">OK<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="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">46-3561936<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="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">15 East Fifth Street<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="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Tulsa,<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">OK<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="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">74103<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(918)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">947-7000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, par value $0.01 per share<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">OGS<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,856,270<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentQuarterlyReport', window );">Document Quarterly Report</a></td>
<td class="text">true<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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_DocumentInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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_DocumentInformationLineItems</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_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STATEMENTS OF INCOME - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenue', window );">Regulated Operating Revenue</a></td>
<td class="nump">$ 411,639<span></span>
</td>
<td class="nump">$ 423,741<span></span>
</td>
<td class="nump">$ 1,243,350<span></span>
</td>
<td class="nump">$ 1,358,931<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of natural gas</a></td>
<td class="nump">90,287<span></span>
</td>
<td class="nump">117,942<span></span>
</td>
<td class="nump">483,863<span></span>
</td>
<td class="nump">630,404<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>Operating expenses</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations', window );">Operations and maintenance</a></td>
<td class="nump">139,628<span></span>
</td>
<td class="nump">130,987<span></span>
</td>
<td class="nump">286,575<span></span>
</td>
<td class="nump">266,282<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">76,240<span></span>
</td>
<td class="nump">79,314<span></span>
</td>
<td class="nump">153,025<span></span>
</td>
<td class="nump">161,018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseTaxes', window );">General taxes</a></td>
<td class="nump">22,813<span></span>
</td>
<td class="nump">23,643<span></span>
</td>
<td class="nump">47,624<span></span>
</td>
<td class="nump">48,873<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpense', window );">Total operating expenses</a></td>
<td class="nump">238,681<span></span>
</td>
<td class="nump">233,944<span></span>
</td>
<td class="nump">487,224<span></span>
</td>
<td class="nump">476,173<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="nump">82,671<span></span>
</td>
<td class="nump">71,855<span></span>
</td>
<td class="nump">272,263<span></span>
</td>
<td class="nump">252,354<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="nump">5,220<span></span>
</td>
<td class="nump">2,572<span></span>
</td>
<td class="nump">3,123<span></span>
</td>
<td class="nump">3,090<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense, net</a></td>
<td class="num">(31,101)<span></span>
</td>
<td class="num">(35,279)<span></span>
</td>
<td class="num">(63,459)<span></span>
</td>
<td class="num">(70,976)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="nump">56,790<span></span>
</td>
<td class="nump">39,148<span></span>
</td>
<td class="nump">211,927<span></span>
</td>
<td class="nump">184,468<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="num">(9,982)<span></span>
</td>
<td class="num">(7,115)<span></span>
</td>
<td class="num">(36,446)<span></span>
</td>
<td class="num">(33,016)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 46,808<span></span>
</td>
<td class="nump">$ 32,033<span></span>
</td>
<td class="nump">$ 175,481<span></span>
</td>
<td class="nump">$ 151,452<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings per share</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic</a></td>
<td class="nump">$ 0.74<span></span>
</td>
<td class="nump">$ 0.53<span></span>
</td>
<td class="nump">$ 2.79<span></span>
</td>
<td class="nump">$ 2.52<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted</a></td>
<td class="nump">$ 0.74<span></span>
</td>
<td class="nump">$ 0.53<span></span>
</td>
<td class="nump">$ 2.78<span></span>
</td>
<td class="nump">$ 2.51<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract', window );"><strong>Weighted Average Number of Shares Outstanding, Basic [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="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic</a></td>
<td class="nump">62,959<span></span>
</td>
<td class="nump">60,113<span></span>
</td>
<td class="nump">62,936<span></span>
</td>
<td class="nump">60,095<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Weighted Average Number of Shares Outstanding, Diluted [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="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted</a></td>
<td class="nump">63,153<span></span>
</td>
<td class="nump">60,455<span></span>
</td>
<td class="nump">63,178<span></span>
</td>
<td class="nump">60,361<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Common Stock, Dividends, Per Share, Declared</a></td>
<td class="nump">$ 0.68<span></span>
</td>
<td class="nump">$ 0.67<span></span>
</td>
<td class="nump">$ 1.36<span></span>
</td>
<td class="nump">$ 1.34<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_CommonStockDividendsPerShareDeclared">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends declared during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareDeclared</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfGoodsAndServicesSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-11<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(d))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 924<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476148/220-40-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfGoodsAndServicesSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-1<br><br>Reference 4: 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 14<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-14<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478671/942-235-S50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-1<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 48<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30<br><br>Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 270<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1<br><br>Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (ee)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32<br><br>Reference 12: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(11))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 14: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 31<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-31<br><br>Reference 15: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 16: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 48<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 49<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 270<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (ee)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-24<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 835<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483013/835-20-50-1<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479105/946-220-45-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 946<br> -SubTopic 830<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479168/946-830-55-10<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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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>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpensesAbstract</td>
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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> 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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</div></td></tr>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatedOperatingRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The total amount of regulated operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatedOperatingRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</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_UtilitiesOperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpense</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for depreciation and amortization of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for taxes other than income taxes of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 16<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482689/260-10-45-16<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</tr>
<tr>
<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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<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_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482689/260-10-45-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_WeightedAverageNumberOfSharesOutstandingBasicAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STATEMENTS OF COMPREHENSIVE INCOME - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 46,808<span></span>
</td>
<td class="nump">$ 32,033<span></span>
</td>
<td class="nump">$ 175,481<span></span>
</td>
<td class="nump">$ 151,452<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax', window );">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax</a></td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax', window );">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax</a></td>
<td class="num">(85)<span></span>
</td>
<td class="nump">47<span></span>
</td>
<td class="num">(268)<span></span>
</td>
<td class="nump">171<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(86)<span></span>
</td>
<td class="nump">46<span></span>
</td>
<td class="num">(269)<span></span>
</td>
<td class="nump">170<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income</a></td>
<td class="nump">46,722<span></span>
</td>
<td class="nump">32,079<span></span>
</td>
<td class="nump">175,212<span></span>
</td>
<td class="nump">151,622<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax', window );">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax</a></td>
<td class="nump">$ 22<span></span>
</td>
<td class="num">$ (12)<span></span>
</td>
<td class="nump">$ 71<span></span>
</td>
<td class="num">$ (45)<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(24))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(26))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(22))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 946<br> -SubTopic 830<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479168/946-830-55-10<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -SubTopic 10<br> -Topic 505<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-6<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-17<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-5<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1B<br><br>Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 15<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482739/220-10-55-15<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1A<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (j)<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (k)<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>BALANCE SHEETS - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService', window );">Property, plant and equipment</a></td>
<td class="nump">$ 9,998,502<span></span>
</td>
<td class="nump">$ 9,734,150<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation', window );">Accumulated depreciation and amortization</a></td>
<td class="nump">2,678,316<span></span>
</td>
<td class="nump">2,611,952<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="nump">7,320,186<span></span>
</td>
<td class="nump">7,122,198<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">7,858<span></span>
</td>
<td class="nump">10,620<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RestrictedCashAndCashEquivalents', window );">Restricted cash and cash equivalents</a></td>
<td class="nump">22,711<span></span>
</td>
<td class="nump">23,107<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, cash equivalents, restricted cash and restricted cash equivalents</a></td>
<td class="nump">30,569<span></span>
</td>
<td class="nump">33,727<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Accounts receivable, net</a></td>
<td class="nump">250,861<span></span>
</td>
<td class="nump">461,631<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MaterialsSuppliesAndOther', window );">Materials and supplies</a></td>
<td class="nump">96,672<span></span>
</td>
<td class="nump">97,595<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxReceivable', window );">Income taxes receivable</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">55,552<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage', window );">Natural gas in storage</a></td>
<td class="nump">158,219<span></span>
</td>
<td class="nump">176,451<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">83,367<span></span>
</td>
<td class="nump">49,504<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PrepaidExpenseCurrentAndNoncurrent', window );">Prepaid Expense</a></td>
<td class="nump">33,823<span></span>
</td>
<td class="nump">34,224<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Other current assets</a></td>
<td class="nump">8,326<span></span>
</td>
<td class="nump">7,200<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">661,837<span></span>
</td>
<td class="nump">915,884<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Goodwill and other 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="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">250,704<span></span>
</td>
<td class="nump">256,225<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherIntangibleAssetsNet', window );">Other intangible assets, net</a></td>
<td class="nump">218,991<span></span>
</td>
<td class="nump">233,786<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">157,953<span></span>
</td>
<td class="nump">157,953<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet', window );">Pension and other postemployment benefits</a></td>
<td class="nump">47,326<span></span>
</td>
<td class="nump">47,012<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other assets</a></td>
<td class="nump">155,206<span></span>
</td>
<td class="nump">120,026<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentsAndOtherNoncurrentAssets', window );">Total goodwill and other assets</a></td>
<td class="nump">830,180<span></span>
</td>
<td class="nump">815,002<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">8,812,203<span></span>
</td>
<td class="nump">8,853,084<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CapitalizationLongtermDebtAndEquityAbstract', window );"><strong>Equity and long-term debt</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="Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 62,797,154 shares at June 30, 2026; issued and outstanding 62,692,392 shares at December 31, 2025</a></td>
<td class="nump">629<span></span>
</td>
<td class="nump">627<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Paid-in capital</a></td>
<td class="nump">2,539,068<span></span>
</td>
<td class="nump">2,530,137<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">998,454<span></span>
</td>
<td class="nump">909,355<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive income (loss), net of tax</a></td>
<td class="num">(265)<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total equity</a></td>
<td class="nump">3,537,886<span></span>
</td>
<td class="nump">3,440,123<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherLongTermDebtNoncurrent', window );">Other long-term debt, noncurrent, net of issuance costs</a></td>
<td class="nump">2,133,688<span></span>
</td>
<td class="nump">2,133,018<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="Show.showAR( this, 'defref_ogs_SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts', window );">Securitized utility tariff bonds, excluding current maturities, net of issuance costs</a></td>
<td class="nump">207,115<span></span>
</td>
<td class="nump">223,020<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-Term debt, excluding current maturities, total, net of issuance costs</a></td>
<td class="nump">2,340,803<span></span>
</td>
<td class="nump">2,356,038<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CapitalizationLongtermDebtAndEquity', window );">Total equity and long-term debt</a></td>
<td class="nump">5,878,689<span></span>
</td>
<td class="nump">5,796,161<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt, current maturities, net of issuance costs</a></td>
<td class="nump">249,918<span></span>
</td>
<td class="nump">249,674<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="Show.showAR( this, 'defref_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds', window );">Current maturities of securitized utility tariff bonds, net of issuance costs</a></td>
<td class="nump">31,404<span></span>
</td>
<td class="nump">30,566<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommercialPaper', window );">Short-term debt</a></td>
<td class="nump">770,800<span></span>
</td>
<td class="nump">737,400<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">110,952<span></span>
</td>
<td class="nump">222,102<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent', window );">Accrued taxes other than income</a></td>
<td class="nump">57,395<span></span>
</td>
<td class="nump">75,568<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory liability, current</a></td>
<td class="nump">24,702<span></span>
</td>
<td class="nump">57,277<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CustomerDepositsCurrent', window );">Customer deposits</a></td>
<td class="nump">53,373<span></span>
</td>
<td class="nump">52,871<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other current liabilities</a></td>
<td class="nump">77,911<span></span>
</td>
<td class="nump">106,400<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">1,376,455<span></span>
</td>
<td class="nump">1,531,858<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>Deferred credits and other liabilities</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">1,012,944<span></span>
</td>
<td class="nump">963,874<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory liability, noncurrent</a></td>
<td class="nump">433,135<span></span>
</td>
<td class="nump">451,620<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other deferred credits</a></td>
<td class="nump">110,980<span></span>
</td>
<td class="nump">109,571<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent', window );">Total deferred credits and other liabilities</a></td>
<td class="nump">1,557,059<span></span>
</td>
<td class="nump">1,525,065<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and equity</a></td>
<td class="nump">$ 8,812,203<span></span>
</td>
<td class="nump">$ 8,853,084<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Current maturities of securitized utility tariff bonds</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Securitized utility tariff bonds, excluding current maturities, net of issuance costs</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_AccrualForTaxesOtherThanIncomeTaxesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 720<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483384/720-30-45-1<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 8<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483467/210-10-45-8<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(ii)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(3))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(18))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapital</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset recognized for present right to economic benefit.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478671/942-235-S50-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset recognized for present right to economic benefit, classified as current.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-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_CapitalizationLongtermDebtAndEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of consolidated capitalization which comprises long-term debt and equity instruments.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizationLongtermDebtAndEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_CapitalizationLongtermDebtAndEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizationLongtermDebtAndEquityAbstract</td>
</tr>
<tr>
<td style="padding-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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommercialPaper">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a)(3))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 480<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479887/480-10-S45-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 480<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (01)(iii)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(22))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CustomerDepositsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CustomerDepositsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(15)(b)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482525/740-10-45-4<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 6<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482525/740-10-45-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_DefinedBenefitPlanAmountsRecognizedInBalanceSheet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-2<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_EnergyRelatedInventoryNaturalGasInStorage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyRelatedInventoryNaturalGasInStorage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(a)(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of investments, and noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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><strong> 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_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</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_LiabilitiesOtherThanLongtermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_MaterialsSuppliesAndOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of capitalized costs of materials, supplies, and other assets, which are not included in inventory but used in production.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MaterialsSuppliesAndOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(8))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_OtherIntangibleAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherIntangibleAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_OtherLongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -SubTopic 10<br> -Topic 210<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(13)(a)(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_PrepaidExpenseCurrentAndNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(10))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(10))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(7)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrepaidExpenseCurrentAndNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_PublicUtilitiesPropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total net PPE.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_PublicUtilitiesPropertyPlantAndEquipmentPlantInService">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total gross PPE.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 405<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_RestrictedCashAndCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(1)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashAndCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated undistributed earnings (deficit).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480990/946-20-50-11<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(17))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(i))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 8: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 946<br> -SubTopic 830<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.6-05(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2<br><br>Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(4)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(6))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br><br>Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 323<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3<br><br>Reference 16: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 310<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
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<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
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<body>
<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>BALANCE SHEETS Parenthetical - $ / shares<br></strong></div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common Stock, Par or Stated Value Per Share</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.01<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common Stock, Shares Authorized</a></td>
<td class="nump">250,000,000<span></span>
</td>
<td class="nump">250,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common Stock, Shares, Issued</a></td>
<td class="nump">62,797,154<span></span>
</td>
<td class="nump">62,692,392<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common Stock, Shares, Outstanding</a></td>
<td class="nump">62,797,154<span></span>
</td>
<td class="nump">62,692,392<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(16)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -SubTopic 10<br> -Topic 505<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.6-05(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(4)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(16)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STATEMENTS OF CASH FLOWS - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract', window );"><strong>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="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">$ 175,481<span></span>
</td>
<td class="nump">$ 151,452<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">153,025<span></span>
</td>
<td class="nump">161,018<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income tax provision</a></td>
<td class="nump">32,478<span></span>
</td>
<td class="nump">23,684<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Share-based compensation expense</a></td>
<td class="nump">8,174<span></span>
</td>
<td class="nump">7,524<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProvisionForDoubtfulAccounts', window );">Provision for doubtful accounts</a></td>
<td class="nump">5,026<span></span>
</td>
<td class="nump">4,085<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in 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="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInReceivables', window );">Accounts receivable</a></td>
<td class="nump">205,744<span></span>
</td>
<td class="nump">141,290<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInMaterialsAndSupplies', window );">Materials and supplies</a></td>
<td class="nump">923<span></span>
</td>
<td class="num">(3,886)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable', window );">Income tax receivable</a></td>
<td class="nump">55,552<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="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInventories', window );">Natural gas in storage</a></td>
<td class="nump">18,232<span></span>
</td>
<td class="nump">26,736<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="Show.showAR( this, 'defref_ogs_IncreaseDecreaseAssetRemovalCosts', window );">Asset removal costs</a></td>
<td class="num">(27,861)<span></span>
</td>
<td class="num">(20,718)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts payable</a></td>
<td class="num">(108,977)<span></span>
</td>
<td class="num">(121,593)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable', window );">Accrued taxes other than income</a></td>
<td class="num">(18,173)<span></span>
</td>
<td class="num">(16,159)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInCustomerDeposits', window );">Customer deposits</a></td>
<td class="nump">502<span></span>
</td>
<td class="num">(2,235)<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="Show.showAR( this, 'defref_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent', window );">Regulatory assets and liabilities, current, net</a></td>
<td class="num">(74,156)<span></span>
</td>
<td class="nump">78,329<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="Show.showAR( this, 'defref_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent', window );">Regulatory assets and liabilities, noncurrent, net</a></td>
<td class="nump">3,691<span></span>
</td>
<td class="nump">21,198<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet', window );">Other current assets and liabilities, net</a></td>
<td class="num">(28,437)<span></span>
</td>
<td class="num">(12,271)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet', window );">Other noncurrent assets and liabilities, net</a></td>
<td class="num">(13,893)<span></span>
</td>
<td class="nump">10,355<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Cash provided by operating activities</a></td>
<td class="nump">387,331<span></span>
</td>
<td class="nump">448,809<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract', window );"><strong>Investing 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="Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Capital expenditures</a></td>
<td class="num">(330,035)<span></span>
</td>
<td class="num">(347,065)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromOtherInvestingActivities', window );">Payments for Other Investing Activities</a></td>
<td class="num">(6,691)<span></span>
</td>
<td class="num">(4,075)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities', window );">Proceeds from Sale of Other Assets, Investing Activities</a></td>
<td class="nump">6,982<span></span>
</td>
<td class="nump">2,629<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Cash used in investing activities</a></td>
<td class="num">(329,744)<span></span>
</td>
<td class="num">(348,511)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract', window );"><strong>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="Show.showAR( this, 'defref_us-gaap_ProceedsFromRepaymentsOfCommercialPaper', window );">Borrowings (repayments) of short-term debt, net</a></td>
<td class="nump">33,400<span></span>
</td>
<td class="num">(42,200)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from Issuance of Common Stock</a></td>
<td class="nump">3,894<span></span>
</td>
<td class="nump">3,561<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RepaymentsOfOtherLongTermDebt', window );">Repayments of Other Long-Term Debt</a></td>
<td class="num">(7)<span></span>
</td>
<td class="num">(8)<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="Show.showAR( this, 'defref_ogs_RepaymentsOfSecuritizedUtilityTariffBonds', window );">Repayment of securitized utility tariff bonds</a></td>
<td class="num">(15,356)<span></span>
</td>
<td class="num">(14,547)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends paid</a></td>
<td class="num">(85,356)<span></span>
</td>
<td class="num">(80,306)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Payment, Tax Withholding, Share-based Payment Arrangement</a></td>
<td class="num">(4,161)<span></span>
</td>
<td class="num">(2,614)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity', window );">Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity</a></td>
<td class="nump">6,841<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="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Cash used in financing activities</a></td>
<td class="num">(60,745)<span></span>
</td>
<td class="num">(136,114)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">Change in cash and cash equivalents</a></td>
<td class="num">(3,158)<span></span>
</td>
<td class="num">(35,816)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance</a></td>
<td class="nump">33,727<span></span>
</td>
<td class="nump">78,537<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period</a></td>
<td class="nump">30,569<span></span>
</td>
<td class="nump">42,721<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest Paid, Excluding Capitalized Interest</a></td>
<td class="nump">62,407<span></span>
</td>
<td class="nump">69,972<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived', window );">Income Tax Paid, State and Local, after Refund Received</a></td>
<td class="nump">1,150<span></span>
</td>
<td class="nump">715<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxPaidFederalAfterRefundReceived', window );">Income Tax Paid, Federal, after Refund Received</a></td>
<td class="num">$ (50,302)<span></span>
</td>
<td class="nump">$ 7,013<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_IncreaseDecreaseAssetRemovalCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Increase (Decrease) Asset Removal Costs</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IncreaseDecreaseAssetRemovalCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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>
</tr>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_RepaymentsOfSecuritizedUtilityTariffBonds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Repayments of securitized utility tariff bonds</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_RepaymentsOfSecuritizedUtilityTariffBonds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; including effect from exchange rate change and including, but not limited to, discontinued operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1<br> -SubTopic 230<br> -Topic 830<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477401/830-230-45-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -SubTopic 10<br> -Topic 740<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncomeTaxPaidFederalAfterRefundReceived">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-22<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPaidFederalAfterRefundReceived</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_IncomeTaxPaidStateAndLocalAfterRefundReceived">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-22<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncreaseDecreaseInCustomerDeposits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the period in the amount of customer money held in customer accounts, including security deposits, collateral for a current or future transactions, initial payment of the cost of acquisition or for the right to enter into a contract or agreement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInCustomerDeposits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_IncreaseDecreaseInIncomeTaxesReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncreaseDecreaseInMaterialsAndSupplies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the period in the carrying amount of capitalized costs of materials, supplies, or both, which are not included in inventory.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInMaterialsAndSupplies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in current operating assets after deduction of current operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in noncurrent operating assets after deduction of noncurrent operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_IncreaseDecreaseInPropertyAndOtherTaxesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the period in the amount of cash payments due to taxing authorities for non-income-related taxes.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="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>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2<br></p></div>
<a href="javascript:void(0);" onclick="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><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activity, including, but not limited to, discontinued operation. Financing activity includes, but is not limited to, obtaining resource from owner and providing return on, and return of, their investment; borrowing money and repaying amount borrowed, or settling obligation; and obtaining and paying for other resource obtained from creditor on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
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<td>debit</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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><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_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 24<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 25<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash (inflow) outflow from investing activity, classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 13<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 12<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<tr>
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<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDividends</td>
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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 class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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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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<tr>
<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from advance for and contribution in aid of construction, classified as financing activity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromAdvanceForAndContributionInAidOfConstructionFinancingActivity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<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_ProceedsFromRepaymentsOfCommercialPaper">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 9<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-9<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromRepaymentsOfCommercialPaper</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ProceedsFromSaleOfOtherAssetsInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from the sale of other assets recognized in investing activities.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 12<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfOtherAssetsInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 326<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(5))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProvisionForDoubtfulAccounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfOtherLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfOtherLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for depreciation and amortization of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>STATEMENT OF CHANGES IN EQUITY - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Common Stock [Member]</div></th>
<th class="th"><div>Paid-in Capital [Member]</div></th>
<th class="th"><div>Retained Earnings [Member]</div></th>
<th class="th"><div>Accumulated Other Comprehensive Income (Loss) [Member]</div></th>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Dec. 31, 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,876,861<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock issued, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">52,229<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Mar. 31, 2025</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,929,090<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Dec. 31, 2024</a></td>
<td class="nump">$ 3,104,548<span></span>
</td>
<td class="nump">$ 599<span></span>
</td>
<td class="nump">$ 2,294,469<span></span>
</td>
<td class="nump">$ 809,606<span></span>
</td>
<td class="num">$ (126)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">119,419<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">119,419<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="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="nump">124<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">124<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Common stock issued, value</a></td>
<td class="nump">1,097<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,097<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="Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends, Common Stock</a></td>
<td class="num">(40,153)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">423<span></span>
</td>
<td class="num">(40,576)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Mar. 31, 2025</a></td>
<td class="nump">3,185,035<span></span>
</td>
<td class="nump">$ 599<span></span>
</td>
<td class="nump">2,295,989<span></span>
</td>
<td class="nump">888,449<span></span>
</td>
<td class="num">(2)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Dec. 31, 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,876,861<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Jun. 30, 2025</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,998,234<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Dec. 31, 2024</a></td>
<td class="nump">3,104,548<span></span>
</td>
<td class="nump">$ 599<span></span>
</td>
<td class="nump">2,294,469<span></span>
</td>
<td class="nump">809,606<span></span>
</td>
<td class="num">(126)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">151,452<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="nump">170<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Jun. 30, 2025</a></td>
<td class="nump">3,184,335<span></span>
</td>
<td class="nump">$ 600<span></span>
</td>
<td class="nump">2,303,825<span></span>
</td>
<td class="nump">879,866<span></span>
</td>
<td class="nump">44<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Mar. 31, 2025</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,929,090<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock issued, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69,144<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Jun. 30, 2025</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,998,234<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Mar. 31, 2025</a></td>
<td class="nump">3,185,035<span></span>
</td>
<td class="nump">$ 599<span></span>
</td>
<td class="nump">2,295,989<span></span>
</td>
<td class="nump">888,449<span></span>
</td>
<td class="num">(2)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">32,033<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">32,033<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="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="nump">46<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">46<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Common stock issued, value</a></td>
<td class="nump">$ 7,374<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="nump">7,373<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="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareCashPaid', window );">Dividends paid per share of stock</a></td>
<td class="nump">$ 0.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends, Common Stock</a></td>
<td class="num">$ (40,153)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">463<span></span>
</td>
<td class="num">(40,616)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Jun. 30, 2025</a></td>
<td class="nump">$ 3,184,335<span></span>
</td>
<td class="nump">$ 600<span></span>
</td>
<td class="nump">2,303,825<span></span>
</td>
<td class="nump">879,866<span></span>
</td>
<td class="nump">44<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common Stock, Shares, Outstanding</a></td>
<td class="nump">62,692,392<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Dec. 31, 2025</a></td>
<td class="nump">62,692,392<span></span>
</td>
<td class="nump">62,692,392<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock issued, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69,598<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Mar. 31, 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,761,990<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Dec. 31, 2025</a></td>
<td class="nump">$ 3,440,123<span></span>
</td>
<td class="nump">$ 627<span></span>
</td>
<td class="nump">2,530,137<span></span>
</td>
<td class="nump">909,355<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="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">128,673<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">128,673<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="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(183)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(183)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Common stock issued, value</a></td>
<td class="num">(213)<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="num">(214)<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="Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends, Common Stock</a></td>
<td class="num">(42,678)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">512<span></span>
</td>
<td class="num">(43,190)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Mar. 31, 2026</a></td>
<td class="nump">$ 3,525,722<span></span>
</td>
<td class="nump">$ 628<span></span>
</td>
<td class="nump">2,530,435<span></span>
</td>
<td class="nump">994,838<span></span>
</td>
<td class="num">(179)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Dec. 31, 2025</a></td>
<td class="nump">62,692,392<span></span>
</td>
<td class="nump">62,692,392<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Jun. 30, 2026</a></td>
<td class="nump">62,797,154<span></span>
</td>
<td class="nump">62,797,154<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Dec. 31, 2025</a></td>
<td class="nump">$ 3,440,123<span></span>
</td>
<td class="nump">$ 627<span></span>
</td>
<td class="nump">2,530,137<span></span>
</td>
<td class="nump">909,355<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="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">175,481<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(269)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Jun. 30, 2026</a></td>
<td class="nump">$ 3,537,886<span></span>
</td>
<td class="nump">$ 629<span></span>
</td>
<td class="nump">2,539,068<span></span>
</td>
<td class="nump">998,454<span></span>
</td>
<td class="num">(265)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, beginning balance at Mar. 31, 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,761,990<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock issued, shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">35,164<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Shares issued, ending balance at Jun. 30, 2026</a></td>
<td class="nump">62,797,154<span></span>
</td>
<td class="nump">62,797,154<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, beginning balance at Mar. 31, 2026</a></td>
<td class="nump">$ 3,525,722<span></span>
</td>
<td class="nump">$ 628<span></span>
</td>
<td class="nump">2,530,435<span></span>
</td>
<td class="nump">994,838<span></span>
</td>
<td class="num">(179)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="nump">46,808<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="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="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(86)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Common stock issued, value</a></td>
<td class="nump">$ 8,120<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="nump">8,119<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="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareCashPaid', window );">Dividends paid per share of stock</a></td>
<td class="nump">$ 0.68<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends, Common Stock</a></td>
<td class="num">$ (42,678)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">514<span></span>
</td>
<td class="num">(43,192)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Equity, ending balance at Jun. 30, 2026</a></td>
<td class="nump">$ 3,537,886<span></span>
</td>
<td class="nump">$ 629<span></span>
</td>
<td class="nump">$ 2,539,068<span></span>
</td>
<td class="nump">$ 998,454<span></span>
</td>
<td class="num">$ (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="Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common Stock, Shares, Outstanding</a></td>
<td class="nump">62,797,154<span></span>
</td>
<td class="text">&#160;<span></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_us-gaap_CommonStockDividendsPerShareCashPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends paid during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareCashPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -SubTopic 10<br> -Topic 505<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.6-05(4))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(4)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(16)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-09(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -SubTopic 405<br> -Topic 942<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477787/942-405-45-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
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<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">- Definition</a><div><p>Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Accounting Policies<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [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="Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">SIGNIFICANT ACCOUNTING POLICIES</a></td>
<td class="text">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Basis of Presentation</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Our accompanying unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC. These statements also have been prepared in accordance with GAAP and reflect all adjustments that, in our opinion, are necessary for a fair statement of the results for the interim periods presented. All such adjustments are of a normal recurring nature. The 2025 year-end consolidated balance sheet data was derived from audited consolidated financial statements but does not include all disclosures required by GAAP. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and footnotes in our Annual Report. Our significant accounting policies are described in Note 1 of our Notes to Consolidated Financial Statements in our Annual Report. The preparation of these financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts and disclosures in the financial statements. Although management believes these estimates are reasonable, actual results could differ materially from these estimates. Due to the seasonal nature of our business, the results of operations for the six months ended June&#160;30, 2026, are not necessarily indicative of the results that may be expected for a 12-month period.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Organization and Nature of Operations</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;-&#160;We provide natural gas distribution services to approximately 2.3&#160;million customers in Oklahoma, Kansas, and Texas through our three divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. We primarily serve residential, commercial, and transportation customers in all three states. </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Segments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We operate in one reportable business segment: regulated public utilities that deliver natural gas primarily to residential, commercial, and transportation customers. Our CODM assesses our reportable segment&#8217;s financial performance by net income and other measures. We define reportable business segments as components of an organization for which discrete financial information is available and operating results are evaluated on a regular basis by the CODM in order to assess performance and allocate resources. Our CODM is our Chief Executive Officer. Characteristics relied upon in making the determination of one reportable segment for our organization include the similar nature of services we provide, the functional alignment of our organizational structure, and the reports that are regularly reviewed by the CODM for the purpose of assessing performance and allocating resources. Our management is functionally aligned and centralized, with performance evaluated based upon results of the entire distribution business. Capital allocation decisions are driven by asset integrity management, operating efficiency, growth opportunities, and government-requested pipeline relocations, not geographic location or regulatory jurisdiction.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our accounting policies are the same as those described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. For the three and six months ended June 30, 2026, and 2025, we had no single external customer from which we received 10 percent or more of our gross revenues.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Property, Plant and Equipment and Asset Removal Costs -</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Accounts payable for construction work in progress and asset removal costs decreased by approximately $2.8&#160;million and $9.1&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively. Invoices for capital expenditures or asset removal costs are included in our consolidated statements of cash flows when paid.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounts Receivable, Net</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Accounts receivable represent valid claims against nonaffiliated customers for natural gas sold or services rendered. We assess the creditworthiness of our customers. Those customers who do not meet minimum standards may be required to provide security, including deposits and other forms of collateral, when appropriate and allowed by our tariffs. With approximately 2.3&#160;million customers across three states, we are not exposed materially to a concentration of credit risk. We maintain an allowance for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends, consideration of the current environment, and other information. We recover natural gas costs related to accounts written off when they are deemed uncollectible through the purchased-gas cost adjustment mechanisms in each of our jurisdictions. At June&#160;30, 2026 and December 31, 2025, our allowance for doubtful accounts was $13.0 million and $12.7&#160;million, respectively.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards Update</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;- In September 2025, the FASB issued ASU-2025-06, "Intangibles&#8212;Goodwill and Other&#8212;Internal-Use Software (Subtopic 350-40)." The amendments in this standard address requests from stakeholders to better align the guidance for capitalization of internal-use software costs with how software is developed. This ASU removes all references to the software developmental stages so that the guidance is neutral to different software development methods. The amendments in this update are effective for all entities for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In November 2024, the FASB issued ASU-2024-03, &#8220;Disaggregation of Income Statement Expenses (Subtopic 220-40).&#8221; The amendments in this standard address requests from investors for more detailed information about the types of expenses commonly presented in income statements and will require a footnote disclosure to disaggregate, in a tabular presentation, each relevant expense category on the face of the income statement that includes any of the following natural expenses: purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depreciation, depletion, and amortization recognized as part of oil- and gas-producing activities or other types of depletion expenses. The amendments in this update are effective for annual periods beginning after December 15, 2026 and interim periods within annual periods beginning after December 15, 2027. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div><span></span>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="text">REVENUE<div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth our revenues disaggregated by source for the periods indicated:</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.245%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></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:11.765%"></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:11.765%"></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:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></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="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas sales to customers</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">349,530</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">364,187&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,107,898</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,239,435&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,660</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,717&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">70,463</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">74,465&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitization customer charges (Note 14)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,876</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,205&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,853</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24,842&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Miscellaneous revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6,380</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,693&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">12,955</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,317&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues from contracts with customers</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">397,446</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">414,802&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 7.75pt 0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,213,169</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,352,059&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues - natural gas sales related</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,452</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5,553&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,254</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">729&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,741</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,386&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,927</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,143&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total other revenues</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">14,193</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">8,939&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,181</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,872&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">411,639</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">423,741&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,243,350</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,358,931&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div>Accrued unbilled natural gas sales revenues at June&#160;30, 2026 and December&#160;31, 2025, were $89.5 million and $216.4&#160;million, respectively, and are included in accounts receivable on our consolidated balance sheets.<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 9<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 15<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 606<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Topic 606<br> -Publisher FASB<br> -URI https://asc.fasb.org/606/tableOfContent<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REGULATORY ASSETS AND LIABILITIES (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock', window );">Schedule of Regulatory Assets and Liabilities</a></td>
<td class="text">REGULATORY ASSETS AND LIABILITIES<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The tables below present a summary of regulatory assets and liabilities, net of amortization, for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.157%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:10.449%"></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:11.765%"></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:11.769%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Under-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,830</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,830</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and postemployment benefit costs, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,187</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">216,408</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">226,595</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Reacquired debt costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">723</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">904</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,627</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP remediation costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">29,342</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,342</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">WNA</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32,835</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32,835</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Customer credit deferrals</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">12,385</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,075</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">13,460</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6,407</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,975</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,382</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">83,367</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250,704</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">334,071</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income tax rate changes</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(428,331)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(428,331)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Over-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(22,384)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(22,384)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Ad-valorem tax</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,060)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,060)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(258)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,804)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(5,062)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(24,702)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(433,135)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(457,837)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">58,665</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(182,431)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(123,766)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.765%"></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:11.765%"></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:11.769%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Under-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,692&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,692&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and postemployment benefit costs, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,929&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">221,809&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">232,738&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Reacquired debt costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">723&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,266&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,989&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP remediation costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">29,105&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,105&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">WNA</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">19,175&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">19,175&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Customer credit deferrals</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,953&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,091&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,044&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,032&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,954&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,986&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">49,504&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">256,225&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">305,729&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income tax rate changes</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(444,986)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(444,986)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Over-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(56,876)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(56,876)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Ad-valorem tax</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(165)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(165)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(236)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6,634)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6,870)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(57,277)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(451,620)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(508,897)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(7,773)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(195,395)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(203,168)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Regulatory assets in our consolidated balance sheets, as authorized by various regulatory authorities, are probable of recovery. Base rates and certain riders are designed to provide a recovery of costs during the period such rates are in effect, but do not generally provide for a return on investment for amounts we have deferred as regulatory assets. All of our regulatory assets are subject to review by the respective regulatory authorities during future regulatory proceedings.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Other regulatory assets and liabilities</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Purchased-gas costs represent the natural gas costs that have been over- or under-recovered from customers through the purchased-gas cost adjustment mechanisms, and includes natural gas utilized in our operations and premiums paid and any cash settlements received from our purchased natural gas call options or swap agreements.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The OCC, KCC, and regulatory authorities in Texas have approved the recovery of pension costs and other postemployment benefits costs through rates for Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. The costs recovered through rates are based on the net periodic benefit cost for defined benefit pension and other postemployment costs. Differences, if any, between the net periodic benefit cost (credit), net of deferrals, and the amount recovered through rates are reflected in earnings. We historically have recovered defined benefit pension and other postemployment benefit costs through </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">rates. We believe it is probable that regulators will continue to include the net periodic pension and other postemployment benefit costs in our cost of service.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We amortize reacquired debt costs in accordance with the accounting guidelines prescribed by the OCC and the KCC.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">See Note 12 for additional information regarding our regulatory assets for MGP remediation costs.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Ad-valorem tax represents the difference in Kansas Gas Service&#8217;s taxes incurred each year above or below the amount approved in base rates. This difference is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#8217; bills to refund the over-collected revenue or bill the under-collected revenue over the subsequent 12 months.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Weather normalization represents revenue over- or under-recovered through the WNA rider in Kansas. This amount is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#8217; bills for 12 months to refund the over-collected revenue or bill the under-collected revenue.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The customer credit deferrals and the noncurrent regulatory liability for income tax rate changes represent deferral of the effects of enacted federal and state income tax rate changes on our ADIT and the effects of these changes on our rates.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%">The amortization of regulatory assets and liabilities resulted in recovery (return) through rates of approximately  $(0.9)&#160;million and $1.4 million for the three months ended June&#160;30, 2026 and 2025, respectively, and approximately $(0.9)&#160;million and $7.4&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>[Line Items] for Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.</p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CREDIT FACILITIES (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of Credit Facility [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="Show.showAR( this, 'defref_us-gaap_ShortTermDebtTextBlock', window );">Short-term Debt [Text Block]</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">4.&#160;&#160;&#160;&#160;CREDIT FACILITY AND SHORT-TERM DEBT</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement provides for a $1.5&#160;billion revolving unsecured credit facility, which includes a $20&#160;million letter of credit subfacility and a $60&#160;million swingline subfacility. Under the terms of the agreement, the Company may, subject to satisfaction of customary conditions and receipt of commitments from new or existing lenders, request an increase in total commitments of up to an additional $750&#160;million. Proceeds from the agreement may be used for working capital, capital expenditures, acquisitions and mergers, the issuance of letters of credit, and other general corporate purposes.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The ONE Gas Credit Agreement contains certain financial, operational, and legal covenants. Among other things, these covenants include maintaining ONE Gas&#8217; total debt-to-capital ratio, excluding the debt of KGSS-I, of no more than 70 percent at the end of any calendar quarter. At June&#160;30, 2026, our total debt-to-capital ratio, excluding KGSS-I, was 47.1 percent and we were in compliance with all covenants under the ONE Gas Credit Agreement. We may reduce the unutilized portion of the ONE Gas Credit Agreement in whole or in part without premium or penalty. The ONE Gas Credit Agreement contains customary events of default. Upon the occurrence of certain events of default, our obligations under the ONE Gas Credit Agreement may be accelerated and the commitments may be terminated.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had approximately $2.4&#160;million in letters of credit issued and no borrowings under the ONE Gas Credit Agreement, with approximately $1.5&#160;billion of remaining credit, which is available to repay our commercial paper borrowings and for other permitted purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Under our commercial paper program, we may issue unsecured commercial paper up to the maximum amount of $1.5&#160;billion to fund short-term borrowing needs. The maturities of the commercial paper vary but may not exceed 270 days from the date of issue. Commercial paper is generally sold at par less a discount representing an interest factor. At June&#160;30, 2026 and December&#160;31, 2025, we had $770.8&#160;million and $737.4&#160;million of commercial paper outstanding with a weighted-average interest rate of 4.09 percent and 3.94 percent, respectively.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for short-term debt.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 470<br> -Name Accounting Standards Codification<br> -Publisher FASB<br> -URI https://asc.fasb.org/470/tableOfContent<br></p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="text">LONG-TERM DEBT<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below presents a summary of our long-term debt outstanding for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:52.262%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.911%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.712%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.715%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Interest Rate</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Senior Notes due:</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="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">April 2029</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5.100%</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">550,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">550,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">May 2030</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.000%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">300,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">September 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.250%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">300,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">February 2044</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.658%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">600,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">November 2048</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.500%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">400,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total Senior Notes</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,150,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,150,000&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unsecured Term Loan (a)</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.480%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">250,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">KGSS-I Securitized Utility Tariff Bonds</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5.486%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">242,496</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">257,852&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unamortized discounts, net of premiums, on long-term debt (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3,939)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,830)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Debt issuance costs (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(17,636)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(18,955)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8.000%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,204</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,211&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total long-term debt, net</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,622,125</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,636,278&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Less: current maturities of KGSS-I securitized utility tariff bonds, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">31,404</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,566&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Less: current maturities of other long-term debt, net</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">249,918</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">249,674&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent portion of long-term debt, net</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,340,803</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,356,038&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%">(a) Bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing. The interest rate resets at months six and twelve, each based on the prevailing 6-month Term SOFR and the 1-month Term SOFR, respectively.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) Includes issuance costs and discounts for the KGSS-I Securitized Utility Tariff Bonds of $4.0&#160;million and $4.3&#160;million, at June&#160;30, 2026 and December&#160;31, 2025, respectively.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Senior Notes</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - The indenture governing our Senior Notes includes an event of default upon the acceleration of other indebtedness of $100&#160;million or more. Such events of default would entitle the trustee or the holders of 25 percent in aggregate principal amount of the outstanding Senior Notes to declare those Senior Notes immediately due and payable in full.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Depending on the series, we may redeem our Senior Notes at par, plus accrued and unpaid interest to the redemption date, starting one month, three months, or six months before their maturity dates. Prior to these dates, we may redeem these Senior Notes, in whole or in part, at a redemption price equal to the principal amount, plus accrued and unpaid interest and a make-whole premium. The redemption price will never be less than 100 percent of the principal amount of the respective Senior Note plus accrued and unpaid interest to the redemption date. Senior Notes are senior unsecured obligations, ranking equally in right of payment with all of our existing and future unsecured senior indebtedness.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Unsecured Term Loan</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - In August 2025, we entered into a 13-month unsecured term loan agreement totaling $250&#160;million. The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026. Interest is payable quarterly, and the loan includes customary covenants and default provisions. Proceeds of the term loan will be available for working capital, capital expenditures, acquisitions, mergers, and other general corporate purposes.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">On February 11, 2026, the variable interest rate on our unsecured term loan reset for the new six&#8209;month interest period to 6&#8209;month Term SOFR of 3.58 percent plus a 90 bps spread, resulting in a 4.48 percent all&#8209;in interest rate, a decrease from the prior rate of 4.96 percent.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Securitized Utility Tariff Bonds</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - The KGSS-I Securitized Utility Tariff Bonds are governed by an indenture between KGSS-I and the indenture trustee. The indenture contains certain covenants that restrict KGSS-I&#8217;s ability to sell, transfer, convey, exchange, or otherwise dispose of its assets. KGSS-I&#8217;s assets cannot be used to settle ONE Gas&#8217; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. See Note 14 for additional discussion of the Kansas securitization transaction.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for long-term debt.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EQUITY (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock', window );">Stockholders' Equity Note Disclosure [Text Block]</a></td>
<td class="text">EQUITY<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">At-the-Market Equity Program </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">- In February 2026, we entered into an at-the-market equity distribution agreement under which we may issue and sell shares of our common stock with an aggregate offering price up to $225&#160;million. Sales of common stock are made by means of ordinary brokers&#8217; transactions on the NYSE and the NYSE Texas, in block transactions or as otherwise agreed to between us and the sales agent. We are under no obligation to offer and sell common stock under the program. At June&#160;30, 2026, we had $204.4&#160;million of equity available for issuance under the program. Had we fully settled all 506,607 shares sold under our forward sale agreements, as of June&#160;30, 2026, we would have generated net proceeds of approximately $41.5&#160;million.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes our outstanding forward sale agreement at June&#160;30, 2026:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:31.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.347%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Maturity</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Original Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Remaining Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Forward Price</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Net Proceeds Available</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">81.90</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">41,492</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Dividends Declared </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">- In August 2026, we declared a dividend of $0.68 per share ($2.72 per share on an annualized basis) for shareholders of record as of August 17, 2026, payable on August 31, 2026.</span></div><span></span>
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<a href="javascript:void(0);" onclick="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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for equity.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract', window );"><strong>Accumulated Other Comprehensive Income (Loss), Net of Tax [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="Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNoteTextBlock', window );">Comprehensive Income (Loss) Note</a></td>
<td class="text">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the effect of reclassifications from accumulated other comprehensive income (loss) in our consolidated statements of income for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:44.075%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.794%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.794%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:19.957%"></td><td style="width:0.1%"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" rowspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Affected Line Item in the Consolidated Statements of Income</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Details About Accumulated Other</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Comprehensive Income (Loss) Components</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:5pt;margin-top:5pt;padding-left:4.5pt;text-indent:-4.5pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and other postemployment benefit plan obligations (a)</span></div></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><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net gain (loss)</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,212)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1,834)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8,424)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,668)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of unrecognized prior service credit (cost)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(93)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(93)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(186)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(186)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,305)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1,927)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8,610)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,854)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory adjustments (b)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,306</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassifications before tax</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">36</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income before income taxes</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Tax effect of reclassifications</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(1)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td 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<a href="javascript:void(0);" onclick="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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EARNINGS PER SHARE (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="text">EARNINGS PER SHARE<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Basic EPS is calculated by dividing net income by the daily weighted-average number of common shares outstanding during the periods presented, which includes fully vested stock awards that have not yet been issued as common stock. Diluted EPS is based on shares outstanding for the calculation of basic EPS, plus unvested stock awards granted under our compensation plans and equity forward sale agreements, but only to the extent these instruments dilute earnings per share.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth the computation of basic and diluted EPS from continuing operations for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:62.243%"></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:10.631%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">46,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,959</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;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:1.5pt 1pt;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:1.5pt 1pt;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">194</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">46,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,153</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,033&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,113&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">342&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,033&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,455&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">175,481</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,936</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.79</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">242</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">175,481</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,178</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.78</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">151,452&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,095&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.52</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">266&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">151,452&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,361&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.51&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></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></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for earnings per share.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EMPLOYEE BENEFIT PLANS (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract', window );"><strong>Defined Benefit Plans and Other Postretirement Benefit Plans 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="Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">Employee Benefit Plans (Notes)</a></td>
<td class="text">EMPLOYEE BENEFIT PLANS<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth the components of net periodic benefit cost (credit) for our pension, inclusive of our defined benefit pension plan, supplemental executive retirement plan, and other postemployment benefit plans for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:47.135%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.842%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Pension Benefits</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Components of net periodic benefit cost (credit)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,291</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,337&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,582</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,525</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,042&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,050</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">20,084&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(10,489)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(11,910)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(20,979)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(23,820)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of unrecognized prior service cost (credit) (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">93</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">93&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">186</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">186&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net loss (gain) (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,220</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,865&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,440</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,730&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit cost (credit)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,640</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,427&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,279</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,854&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.</span></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:47.135%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.842%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Other Postemployment Benefits</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Components of net periodic benefit cost (credit)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">112</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">123&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">222</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">246&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,020</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,069&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,040</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,138&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,194)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(2,212)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,388)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(4,424)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net loss (gain) (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(31)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(16)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(62)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit cost (credit)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(70)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(51)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(142)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(102)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.</span></td><td colspan="3" style="display:none"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We recover qualified pension benefit plan and other postemployment benefit plan costs through rates charged to our customers. Certain regulatory authorities require that the recovery of these costs be based on specific guidelines. The difference between these regulatory-based amounts and the periodic benefit cost calculated pursuant to GAAP is deferred as a regulatory asset or liability and amortized to expense over periods in which this difference will be recovered in rates, as authorized by the applicable regulatory authorities. For the&#160;six months ended&#160;June&#160;30, 2026 and 2025, regulatory deferrals related to net periodic benefit cost (credit) were $(2.2)&#160;million and $(0.5)&#160;million, respectively.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We capitalize all eligible service cost and non-service (credit) components under the accounting requirements of ASC Topic 980 (Regulated Operations) for rate-regulated entities. Capitalized non-service (credits) reflected in pension and other postemployment benefit costs, net within regulatory assets in our consolidated balance sheets were $(5.1)&#160;million and $(6.8)&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively. See Note 3 of the Notes to Consolidated Financial Statements in this Quarterly Report for additional information.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Nonqualified Deferred Compensation Plan</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We have a nonqualified deferred compensation plan with obligations of $24.6&#160;million and $21.9&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, which are reported within other deferred credits in our consolidated balance sheets. These obligations represent the amount owed to plan participants and are treated as if invested in specified deemed investment options. A significant portion of the obligation is indirectly funded with key-person corporate-owned life insurance policies to offset costs associated with our nonqualified deferred compensation plan and the supplemental executive retirement plan. These corporate-owned life insurance policies are measured at cash surrender value of $49.2&#160;million and $46.2&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, and are reported within other assets in our consolidated balance sheets. </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Gains (losses) on the corporate-owned life insurance policies are recognized in other income (expense), net within our consolidated statements of income; see Note 11 for additional detail of our other income (expense), net. Deferred compensation expense (income) associated with the nonqualified deferred compensation plan which is recognized in operations and maintenance expense within our consolidated statements of income were $2.1&#160;million and $1.1&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for retirement benefits.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax 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="Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">Income Tax Disclosure</a></td>
<td class="text">INCOME TAXES<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We use an estimated annual effective tax rate for purposes of determining the income tax provision during interim reporting periods. In calculating our estimated annual effective tax rate, we consider forecasted annual pre-tax income and estimated permanent book versus tax differences, as well as tax credits. Adjustments to the effective tax rate and estimates will occur as information and assumptions change.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we had no uncertain tax positions. We are no longer subject to income tax examination for years prior to 2022. Changes in tax laws or tax rates are recognized in the financial reporting period that includes the enactment date.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In April 2026, we received $64.3&#160;million from the IRS, consisting of a $55.6&#160;million federal income tax refund and $8.7&#160;million of interest. The refund relates to the amendment of our 2022 federal income tax return following the issuance of Revenue Procedure 2024&#8209;15 in 2024, which allows for the deferral of income taxes on securitization bond proceeds received from a qualifying state financing entity.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Income tax expense reflects credits for the amortization of the regulatory liability associated with EDIT that was returned to customers of $3.3&#160;million and $2.1&#160;million for the three months ended June 30, 2026 and 2025, respectively, and $12.8&#160;million and $10.2&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for income tax.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>OTHER INCOME AND OTHER EXPENSE (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</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',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the components of other income and other expense for the periods indicated:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:61.473%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.259%"></td><td 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1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></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="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit (cost) credit other than service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(972)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">356&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,125)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">688&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Gain (loss) on investments associated with nonqualified deferred compensation plans</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,739</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,062&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,001</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,209&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unrealized gain (loss) on marketable equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">372</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">184&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">184&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Credit due to change in federal tax regulation for securitization (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,390</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,390</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(309)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(30)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(393)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total other income (expense), net</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,220</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,572&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,123</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,090&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(7))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMITMENTS AND CONTINGENCIES (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="text">COMMITMENTS AND CONTINGENCIES<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Matters</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to multiple laws and regulations regarding protection of the environment and natural and cultural resources, which affect many aspects of our present and future operations. Regulated activities include, but are not limited to, those involving air emissions, storm water and wastewater discharges, handling and disposal of solid and hazardous wastes, wetland preservation, plant and wildlife protection, hazardous materials use, storage and transportation, and pipeline and facility construction. These laws and regulations require us to obtain and/or comply with a wide variety of environmental clearances, registrations, licenses, permits, and other approvals. Failure to comply with these laws, regulations, licenses, and permits or the discovery of presently unknown environmental conditions may expose us to fines, penalties, and/or interruptions in our operations that could be material to our results of operations. In addition, emission controls and/or other regulatory or permitting mandates under the CAA and other similar federal and state laws could require unexpected capital expenditures. We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional statutes or regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We own or retain legal responsibility for certain environmental conditions at 12 former MGP sites in Kansas. These sites contain contaminants generally associated with MGP sites and are subject to control or remediation under various environmental laws and regulations. A consent agreement with the KDHE governs all environmental investigation and remediation work at these sites. The terms of the consent agreement require us to investigate these sites and set remediation activities based upon the results of the investigations and risk analysis. Remediation typically involves the management of contaminated soils and may involve removal of structures and monitoring and/or remediation of groundwater. We have completed or are addressing removal of the source of soil contamination at all 12 sites and continue to monitor groundwater at seven of the 12 sites according to plans approved by the KDHE. Regulatory closure has been achieved at five of the 12 sites, but these sites remain subject to potential future requirements that may result in additional costs.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We have an AAO that allows Kansas Gas Service to defer and seek recovery of costs necessary for investigation and remediation at, and nearby, these 12 former MGP sites that are incurred after January 1, 2017. In January 2025, Kansas Gas Service requested to increase the cap on the AAO to $32.0 million from $15.0 million. The original $15.0&#160;million cap approved in 2017 was the result of a unanimous settlement agreement and contained additional reporting requirements and obligations. In May 2025, Kansas Gas Service, the KCC staff, and the Citizens&#8217; Utility Ratepayer Board filed a unanimous settlement agreement with the KCC agreeing to increase the cap to $32.0 million and to leave all of the other provisions of the 2017 settlement agreement in place. The KCC issued an order approving the settlement agreement in July 2025.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Pursuant to the AAO, costs approved for recovery in a future rate proceeding are to be amortized over a 15-year period. The unamortized amounts are not included in rate base or accumulate carrying charges. Following a determination that future investigation and remediation work approved by the KDHE exceeds $32.0 million, net of any related insurance recoveries, Kansas Gas Service is required to file an application with the KCC for approval to increase the $32.0 million cap. At June&#160;30, 2026 and December&#160;31, 2025, we have deferred $30.3&#160;million and $30.1&#160;million, respectively, for accrued investigation and remediation costs, net of insurance proceeds, pursuant to our AAO. </span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We also own or retain legal responsibility for certain environmental conditions at a former MGP site in Texas. At the request of the TCEQ, we began investigating the level and extent of contamination associated with the site under their Texas Risk Reduction Program. A preliminary site investigation revealed that this site contains contaminants generally associated with MGP sites and is subject to control or remediation under various environmental laws and regulations. At June&#160;30, 2026, estimated costs associated with expected remediation activities for this site are not material.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our expenditures for environmental evaluation, mitigation, remediation and compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025. The reserve for remediation of our MGP sites was $13.0&#160;million and $13.7&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Environmental issues may exist with respect to these MGP sites that are unknown to us. Accordingly, future costs are dependent on the final determination and regulatory approval of any remedial actions, the complexity of the site, level of remediation required, changing technology and governmental regulations, and to the extent not recovered by insurance or recoverable in rates from our customers, such costs could be material to our financial condition, results of operations, or cash flows.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We are subject to environmental regulation by federal, state, and local authorities. Due to the inherent uncertainties surrounding the development of federal and state environmental laws and regulations, we cannot determine with specificity the impact such laws and regulations may have on our existing and future facilities. With the trend toward stricter standards, greater regulation, and more extensive permit requirements for the types of assets operated by us, our environmental expenditures could increase in the future. Such expenditures may not be fully recovered by insurance or recoverable in rates from our customers, and those costs may adversely affect our financial condition, results of operations, and cash flows.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Environmental Footprint&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows for the three and six months ended June 30, 2026, and 2025.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Pipeline Safety</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are subject to regulation under federal pipeline safety statutes and any analogous state regulations. These include safety requirements for the design, construction, operation, and maintenance of pipelines, including transmission and distribution pipelines. At the federal level, we are regulated by PHMSA. PHMSA regulations require the following for certain pipelines: inspection and maintenance plans; integrity management programs, including the determination of pipeline integrity risks and periodic assessments on certain pipeline segments; an operator qualification program, which includes certain trainings; a public awareness program that provides certain information; and a control room management plan.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">PHMSA promulgates various regulations related to pipeline safety. As part of the Consolidated Appropriations Act, 2021, the PIPES Act reauthorized PHMSA through 2023 and directed the agency to move forward with several regulatory actions. Outstanding regulatory actions include the &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; and &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rulemakings. On May 28, 2026, PHMSA hosted a meeting of the Gas Pipeline Advisory Committee to cover the proposed &#8220;Pipeline Safety: Safety of Gas Distribution Pipelines&#8221; rule. PHMSA is anticipating publishing the final rule to the Federal Register in December of 2026. The &#8220;Pipeline Safety: Gas Pipeline Leak Detection&#8221; proposed rule would require operators of new and existing transmission and distribution pipeline facilities to conduct certain leak detection and repair programs and require facility inspection and maintenance plans to align with those regulations. On January 20, 2025, an executive order began a regulatory freeze on all rulemakings that were not yet effective pending further review. On July 8, 2026, PHMSA published the NPRM for Gas Transmission Pipelines Repair Criteria in the Federal Register. This rule proposes to modernize and clarify anomaly response criteria. To the extent such rulemakings impose more stringent requirements on our facilities, we may be required to incur expenditures that may be material.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Regulatory&#160;-</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Several regulatory initiatives impacted the earnings and future earnings potential of our business. See additional information regarding our regulatory initiatives in the &#8220;Regulatory Activities&#8221; section of Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Legal Proceedings</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We are a party to various litigation matters and claims that have arisen in the normal course of our operations. While the results of litigation and claims cannot be predicted with certainty, we believe the reasonably possible losses from such matters, individually and in the aggregate, are not material. Additionally, we believe the probable outcome of such matters will not have a material adverse effect on our results of operations, financial position, or cash flows.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Purchase Commitment</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - During the second quarter of 2026, the Company entered into a commitment to purchase approximately $24.8&#160;million of materials related to the construction of a natural gas pipeline. Delivery of the materials is expected to occur in 2027. At June&#160;30, 2026, the Company had outstanding contractual commitments of approximately $19.8&#160;million related to this agreement and made a prepayment of $5.0&#160;million under the agreement, which is reported in current prepaid expenses on our consolidated balance sheets.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<td class="text">DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounting Treatment</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:22.326%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.728%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:34.039%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.728%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:34.479%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Recognition and Measurement</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Accounting Treatment</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Balance Sheet</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income Statement</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Normal purchases and<br/>normal sales</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Fair value not recorded</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value not recognized in earnings</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Recorded at fair value</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value recognized in, and recoverable through, the purchased-gas cost adjustment mechanisms</span></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Measurements</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We define fair value as the price that would be received from the sale of an asset or the transfer of a liability in an orderly transaction between market participants at the measurement date. We use the market and income approaches to determine the fair value of our assets and liabilities and consider the markets in which the transactions are executed. We measure the fair value of a group of financial assets and liabilities consistent with how a market participant would price the net risk exposure at the measurement date.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Hierarchy</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At each balance sheet date, we utilize a fair value hierarchy to classify fair value amounts recognized or disclosed in our consolidated financial statements based on the observability of inputs used to estimate such fair value. The levels of the hierarchy are described below:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 2 - Significant observable pricing inputs other than quoted prices included within Level 1 that are, either directly or indirectly, observable as of the reporting date. Essentially, this represents inputs that are derived principally from or corroborated by observable market data; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 3 - May include one or more unobservable inputs that are significant in establishing a fair value estimate. These unobservable inputs are developed based on the best information available and may include our own internal data.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We recognize transfers into and out of the levels as of the end of each reporting period.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Determining the appropriate classification of our fair value measurements within the fair value hierarchy requires management&#8217;s judgment regarding the degree to which market data is observable or corroborated by observable market data. We categorize derivatives for which fair value is determined using multiple inputs within a single level, based on the lowest level input that is significant to the fair value measurement in its entirety.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Derivative Instruments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> -&#160;Our derivatives are comprised of over-the-counter natural gas fixed-price swaps and call options. </span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Swaps - </span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">At June&#160;30, 2026, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2027 with a total notional amount of 11.70 Bcf. At December&#160;31, 2025, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2026 with a total notional amount of 5.02 Bcf.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Options</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At June&#160;30, 2026, we did not hold any natural gas call options. At December&#160;31, 2025, we held purchased natural gas call options for the heating season ending March 2026 with total notional amount of 0.50 Bcf, for which we paid premiums of $0.5&#160;million.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We have not designated any of our derivative instruments as accounting hedges. These contracts are included in, and recoverable through, our purchased-gas cost adjustment mechanisms. Additionally, premiums paid, changes in fair value and any settlements received associated with these contracts are deferred as part of our unrecovered purchased-gas costs in our consolidated balance sheets. There were no transfers between levels for the periods presented.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Other Financial Instruments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> -</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The approximate fair value of cash and cash equivalents, restricted cash and cash equivalents, accounts receivable, and accounts payable is equal to book value, due to the short-term nature of these items. The fair value of our commercial paper was determined using quoted prices in an active market.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables summarize, by level within the fair value hierarchy, our derivative and other assets and liabilities that were accounted for at fair value on a recurring basis at June&#160;30, 2026 and December 31, 2025:</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 1</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Netting (c)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">United States treasury notes (b)</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,267</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,267</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Corporate bonds (b)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Marketable equity securities (d)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,877</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,877</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">11,144</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,247</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;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;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Derivative instruments - swaps (a)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">624</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(24)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">600</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(d) The fair value is included in other current assets in our consolidated balance sheets.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2025</span></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="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 1</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Netting (c)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></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="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">United States treasury notes (b)</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9,329&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9,329&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Corporate bonds (b)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Marketable equity securities (d)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,627&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,627&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">11,956&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,599&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Derivative instruments - swaps (a)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">7,309&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">7,309&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(d) The fair value is included in other current assets in our consolidated balance sheets.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The estimated fair value of our long-term debt, including current maturities, was $2.5&#160;billion and $2.5&#160;billion at June&#160;30, 2026 and December&#160;31, 2025, respectively. The estimated fair value of our long-term debt was determined using quoted market prices and is classified as Level 2.</span></div><span></span>
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<a href="javascript:void(0);" onclick="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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>VARIABLE INTEREST ENTITES (Notes)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_VariableInterestEntityDisclosureTextBlock', window );">Variable Interest Entity Disclosure</a></td>
<td class="text">VARIABLE INTEREST ENTITY<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">KGSS-I is a special-purpose, wholly owned subsidiary of ONE Gas that was formed for the purpose of issuing securitized bonds to recover extraordinary costs incurred by Kansas Gas Service resulting from Winter Storm Uri. KGSS-I&#8217;s assets cannot be used to settle ONE Gas&#8217; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. The Securitized Utility Tariff Bonds have a scheduled final payment date of August 1, 2032. See Note 5 for additional information about the securitization financing.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">KGSS-I is considered to be a variable interest entity. As a result, KGSS-I is included in the consolidated financial statements of ONE Gas. No gain or loss was recognized upon initial consolidation.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the impact of KGSS-I on our consolidated balance sheets:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:72.438%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.767%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Restricted cash and cash 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style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounts payable</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">217</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">136&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accrued interest</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,543</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5,894&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitized utility tariff bonds, excluding current maturities, net of discounts and issuance costs $4.0&#160;million and $4.3&#160;million, as of June&#160;30, 2026, and December 31, 2025, respectively</span></div></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">207,115</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">223,020&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Paid-in capital</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,680</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,680&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Retained earnings</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">60</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total liabilities and equity</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">246,019</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">261,356&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the impact of KGSS-I on our consolidated statements of income:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</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="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating revenues</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,876</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,205&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,853</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24,842&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating expense</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(110)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(111)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(221)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(221)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization expense</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(7,368)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(9,292)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(14,795)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(16,986)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest income</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">109</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">112&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">246</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">260&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3,471)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,879)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(7,011)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(7,823)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income before income taxes</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">36</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">35&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">72</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">72&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income taxes</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">36</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">29&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">72</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">72&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 810<br> -Name Accounting Standards Codification<br> -Publisher FASB<br> -URI https://asc.fasb.org/810/tableOfContent<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BasisOfAccountingPolicyPolicyTextBlock', window );">Basis of Accounting, Policy</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Basis of Presentation</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Our accompanying unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC. These statements also have been prepared in accordance with GAAP and reflect all adjustments that, in our opinion, are necessary for a fair statement of the results for the interim periods presented. All such adjustments are of a normal recurring nature. The 2025 year-end consolidated balance sheet data was derived from audited consolidated financial statements but does not include all disclosures required by GAAP. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and footnotes in our Annual Report. Our significant accounting policies are described in Note 1 of our Notes to Consolidated Financial Statements in our Annual Report. The preparation of these financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts and disclosures in the financial statements. Although management believes these estimates are reasonable, actual results could differ materially from these estimates. Due to the seasonal nature of our business, the results of operations for the six months ended June&#160;30, 2026, are not necessarily indicative of the results that may be expected for a 12-month period.</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="Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock', window );">Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies</a></td>
<td class="text"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Organization and Nature of Operations</span>&#160;-&#160;We provide natural gas distribution services to approximately 2.3&#160;million customers in Oklahoma, Kansas, and Texas through our three divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. We primarily serve residential, commercial, and transportation customers in all three states.<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SegmentReportingPolicyPolicyTextBlock', window );">Segments</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Segments</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We operate in one reportable business segment: regulated public utilities that deliver natural gas primarily to residential, commercial, and transportation customers. Our CODM assesses our reportable segment&#8217;s financial performance by net income and other measures. We define reportable business segments as components of an organization for which discrete financial information is available and operating results are evaluated on a regular basis by the CODM in order to assess performance and allocate resources. Our CODM is our Chief Executive Officer. Characteristics relied upon in making the determination of one reportable segment for our organization include the similar nature of services we provide, the functional alignment of our organizational structure, and the reports that are regularly reviewed by the CODM for the purpose of assessing performance and allocating resources. Our management is functionally aligned and centralized, with performance evaluated based upon results of the entire distribution business. Capital allocation decisions are driven by asset integrity management, operating efficiency, growth opportunities, and government-requested pipeline relocations, not geographic location or regulatory jurisdiction.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Our accounting policies are the same as those described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. For the three and six months ended June 30, 2026, and 2025, we had no single external customer from which we received 10 percent or more of our gross revenues.</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="Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Property, Plant and Equipment Disclosure</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Property, Plant and Equipment and Asset Removal Costs -</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> Accounts payable for construction work in progress and asset removal costs decreased by approximately $2.8&#160;million and $9.1&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively. Invoices for capital expenditures or asset removal costs are included in our consolidated statements of cash flows when paid.</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="Show.showAR( this, 'defref_us-gaap_TradeAndOtherAccountsReceivablePolicy', window );">Accounts Receivable</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounts Receivable, Net</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - Accounts receivable represent valid claims against nonaffiliated customers for natural gas sold or services rendered. We assess the creditworthiness of our customers. Those customers who do not meet minimum standards may be required to provide security, including deposits and other forms of collateral, when appropriate and allowed by our tariffs. With approximately 2.3&#160;million customers across three states, we are not exposed materially to a concentration of credit risk. We maintain an allowance for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends, consideration of the current environment, and other information. We recover natural gas costs related to accounts written off when they are deemed uncollectible through the purchased-gas cost adjustment mechanisms in each of our jurisdictions. At June&#160;30, 2026 and December 31, 2025, our allowance for doubtful accounts was $13.0 million and $12.7&#160;million, respectively.</span></div><span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">Recently Issued Accounting Standards Update</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards Update</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#160;- In September 2025, the FASB issued ASU-2025-06, "Intangibles&#8212;Goodwill and Other&#8212;Internal-Use Software (Subtopic 350-40)." The amendments in this standard address requests from stakeholders to better align the guidance for capitalization of internal-use software costs with how software is developed. This ASU removes all references to the software developmental stages so that the guidance is neutral to different software development methods. The amendments in this update are effective for all entities for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">In November 2024, the FASB issued ASU-2024-03, &#8220;Disaggregation of Income Statement Expenses (Subtopic 220-40).&#8221; The amendments in this standard address requests from investors for more detailed information about the types of expenses commonly presented in income statements and will require a footnote disclosure to disaggregate, in a tabular presentation, each relevant expense category on the face of the income statement that includes any of the following natural expenses: purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depreciation, depletion, and amortization recognized as part of oil- and gas-producing activities or other types of depletion expenses. The amendments in this update are effective for annual periods beginning after December 15, 2026 and interim periods within annual periods beginning after December 15, 2027. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.</span></div><span></span>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items for Significant accounting policies of the reporting entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BasisOfAccountingPolicyPolicyTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483426/235-10-50-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 810<br> -Name Accounting Standards Codification<br> -Publisher FASB<br> -URI https://asc.fasb.org/810/tableOfContent<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 250<br> -Name Accounting Standards Codification<br> -Publisher FASB<br> -URI https://asc.fasb.org/250/tableOfContent<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock</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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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -SubTopic 10<br> -Topic 360<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -SubTopic 360<br> -Topic 958<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477798/958-360-50-6<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -SubTopic 360<br> -Topic 958<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477798/958-360-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentPolicyTextBlock</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> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for segment reporting.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 47<br> -Subparagraph (bb)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-47<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 54<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-54<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 36<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-36<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 47<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482785/280-10-55-47<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-29<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingPolicyPolicyTextBlock</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>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for accounts receivable.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 310<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481962/310-10-50-2<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 310<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481962/310-10-50-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 310<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481569/310-20-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TradeAndOtherAccountsReceivablePolicy</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measures and Disclosures (Policies)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
</tr>
<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DerivativesReportingOfDerivativeActivity', window );">Derivatives</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Accounting Treatment</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:22.326%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.728%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:34.039%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.728%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:34.479%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Recognition and Measurement</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Accounting Treatment</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Balance Sheet</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income Statement</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">Normal purchases and<br/>normal sales</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Fair value not recorded</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value not recognized in earnings</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Recorded at fair value</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value recognized in, and recoverable through, the purchased-gas cost adjustment mechanisms</span></td></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="Show.showAR( this, 'defref_us-gaap_FairValueMeasurementPolicyPolicyTextBlock', window );">Fair Value Measurement</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Measurements</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - We define fair value as the price that would be received from the sale of an asset or the transfer of a liability in an orderly transaction between market participants at the measurement date. We use the market and income approaches to determine the fair value of our assets and liabilities and consider the markets in which the transactions are executed. We measure the fair value of a group of financial assets and liabilities consistent with how a market participant would price the net risk exposure at the measurement date.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Fair Value Hierarchy</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"> - At each balance sheet date, we utilize a fair value hierarchy to classify fair value amounts recognized or disclosed in our consolidated financial statements based on the observability of inputs used to estimate such fair value. The levels of the hierarchy are described below:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities;</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 2 - Significant observable pricing inputs other than quoted prices included within Level 1 that are, either directly or indirectly, observable as of the reporting date. Essentially, this represents inputs that are derived principally from or corroborated by observable market data; and</span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Level 3 - May include one or more unobservable inputs that are significant in establishing a fair value estimate. These unobservable inputs are developed based on the best information available and may include our own internal data.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">We recognize transfers into and out of the levels as of the end of each reporting period.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Determining the appropriate classification of our fair value measurements within the fair value hierarchy requires management&#8217;s judgment regarding the degree to which market data is observable or corroborated by observable market data. We categorize derivatives for which fair value is determined using multiple inputs within a single level, based on the lowest level input that is significant to the fair value measurement in its entirety.</span></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for derivatives entered into for trading purposes and those entered into for purposes other than trading including where and when derivative financial instruments and derivative commodity instruments and their related gains or losses are reported in the entity's statements of financial position, cash flows, and results of operations.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock', window );">Revenues Disaggregated by Source [Table]</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth our revenues disaggregated by source for the periods indicated:</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.245%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></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:11.765%"></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:11.765%"></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:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></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="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas sales to customers</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">349,530</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">364,187&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,107,898</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,239,435&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Transportation revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,660</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,717&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">70,463</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">74,465&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitization customer charges (Note 14)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,876</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,205&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,853</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24,842&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Miscellaneous revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6,380</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,693&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">12,955</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,317&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues from contracts with customers</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">397,446</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">414,802&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 7.75pt 0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,213,169</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,352,059&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues - natural gas sales related</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,452</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5,553&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,254</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">729&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,741</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,386&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,927</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,143&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total other revenues</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">14,193</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">8,939&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,181</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,872&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">411,639</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">423,741&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,243,350</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,358,931&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REGULATORY ASSETS AND LIABILITIES (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock', window );">SCHEDULE OF REGULATED ASSETS AND LIABILITIES</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The tables below present a summary of regulatory assets and liabilities, net of amortization, for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.157%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:10.449%"></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:11.765%"></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:11.769%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Under-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,830</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,830</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and postemployment benefit costs, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,187</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">216,408</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">226,595</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Reacquired debt costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">723</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">904</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,627</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP remediation costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">29,342</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,342</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">WNA</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32,835</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">32,835</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Customer credit deferrals</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">12,385</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,075</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">13,460</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">6,407</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,975</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,382</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">83,367</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250,704</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">334,071</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income tax rate changes</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(428,331)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(428,331)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Over-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(22,384)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(22,384)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Ad-valorem tax</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,060)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,060)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(258)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,804)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(5,062)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(24,702)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(433,135)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(457,837)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">58,665</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(182,431)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(123,766)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.765%"></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:11.765%"></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:11.769%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Current</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Noncurrent</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="15" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Under-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,692&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,692&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and postemployment benefit costs, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,929&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">221,809&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">232,738&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Reacquired debt costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">723&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,266&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,989&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">MGP remediation costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">29,105&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,105&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">WNA</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">19,175&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">19,175&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Customer credit deferrals</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,953&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,091&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,044&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other, net</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,032&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,954&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6,986&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">49,504&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">256,225&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">305,729&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income tax rate changes</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(444,986)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(444,986)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Over-recovered purchased-gas costs</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(56,876)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(56,876)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Ad-valorem tax</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(165)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(165)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(236)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6,634)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6,870)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(57,277)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(451,620)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(508,897)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net regulatory assets and liabilities</span></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(7,773)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(195,395)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(203,168)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>[Line Items] for Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtAbstract', window );"><strong>Long-Term Debt, Unclassified [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="Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">Schedule of Long-Term Debt Instruments</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The table below presents a summary of our long-term debt outstanding for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:52.262%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.911%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.712%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.715%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Interest Rate</span></div></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands of dollars</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Senior Notes due:</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="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">April 2029</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5.100%</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">550,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">550,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">May 2030</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.000%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">300,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">September 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.250%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">300,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">February 2044</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.658%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">600,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">November 2048</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.500%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">400,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total Senior Notes</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,150,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,150,000&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unsecured Term Loan (a)</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4.480%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">250,000&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">KGSS-I Securitized Utility Tariff Bonds</span></td><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5.486%</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">242,496</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">257,852&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unamortized discounts, net of premiums, on long-term debt (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3,939)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,830)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Debt issuance costs (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(17,636)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(18,955)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8.000%</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,204</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,211&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total long-term debt, net</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,622,125</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,636,278&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Less: current maturities of KGSS-I securitized utility tariff bonds, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">31,404</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,566&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Less: current maturities of other long-term debt, net</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">249,918</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">249,674&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent portion of long-term debt, net</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,340,803</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,356,038&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%">(a) Bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing. 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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Equity (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Equity [Abstract]</strong></a></td>
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<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes our outstanding forward sale agreement at June&#160;30, 2026:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:31.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.347%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Maturity</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Original Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Remaining Shares</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Forward Price</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Net Proceeds Available</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Shares)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Per share)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">At-the-market equity program</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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2026</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">237,307</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">237,307</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">86.09</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">20,430</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Equity forward agreements</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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2026</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,500,000</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">269,300</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">78.21</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,062</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total forward sale agreements</span></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,737,307</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">506,607</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">81.90</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">41,492</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of freestanding forward contracts issued by an entity that are indexed to, and potentially settled in an entity's own stock. The disclosure may include, but not be limited to: (i) the forward rate and the number of shares to which the contract is indexed, (ii) the settlement date or dates of the contract, (iii) the issuer's accounting for the contract, (iv) settlement alternatives (if applicable) including who controls the settlement alternatives and the maximum number of shares that could be required to be issued to net share settle the contract (if applicable), (v) the fact that a potentially infinite number of shares may be required to be issued to settle the contract, if a contract does not have a stated fixed or determinable maximum number of shares, and (vi) the contract's current fair value for each settlement alternative and how changes in the price of the issuer's equity instruments affect those settlement amounts.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract', window );"><strong>Accumulated Other Comprehensive Income (Loss), Net of Tax [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="Show.showAR( this, 'defref_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock', window );">Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the effect of reclassifications from accumulated other comprehensive income (loss) in our consolidated statements of income for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:44.075%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.794%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.794%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:19.957%"></td><td style="width:0.1%"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" rowspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Affected Line Item in the Consolidated Statements of Income</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Details About Accumulated Other</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Comprehensive Income (Loss) Components</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:5pt;margin-top:5pt;padding-left:4.5pt;text-indent:-4.5pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Pension and other postemployment benefit plan obligations (a)</span></div></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><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net gain (loss)</span></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,212)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1,834)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8,424)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,668)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of unrecognized prior service credit (cost)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(93)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(93)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(186)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(186)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt 0 7.75pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,305)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1,927)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8,610)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,854)</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory adjustments (b)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,306</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,928&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,611</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,855&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Available-for-sale securities</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><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive income (loss)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">35</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">7&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassifications before tax</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">36</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income before income taxes</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Tax effect of reclassifications</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(1)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(2)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income tax expense</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net reclassifications for the period</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">28</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">6&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income</span></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) These components of accumulated other comprehensive income (loss) are included in the computation of net periodic benefit cost (credit). See Note 9 for additional detail on our net periodic benefit cost (credit).</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) Regulatory adjustments represent pension and other postemployment benefit credits or costs expected to be recovered through rates and are deferred as part of our regulatory assets. See Note 3 for additional disclosures of regulatory assets and liabilities.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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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">6 Months Ended</th>
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<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth the computation of basic and diluted EPS from continuing operations for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:62.243%"></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:10.631%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">46,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,959</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;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:1.5pt 1pt;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:1.5pt 1pt;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">194</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">46,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,153</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">0.74</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,033&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,113&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">342&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">32,033&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,455&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">0.53&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">175,481</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">62,936</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.79</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">242</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">175,481</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">63,178</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2.78</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended June 30, 2025</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Income</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Shares</span></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Per Share<br/>Amount</span></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Thousands, except per share amounts</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Basic EPS Calculation</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:15.75pt;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></div></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">151,452&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,095&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.52</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Diluted EPS Calculation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Effect of dilutive securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">266&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock and common stock equivalents</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">151,452&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60,361&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2.51&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></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></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EMPLOYEE BENEFIT PLANS (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables set forth the components of net periodic benefit cost (credit) for our pension, inclusive of our defined benefit pension plan, supplemental executive retirement plan, and other postemployment benefit plans for the periods indicated:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:47.135%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.842%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Pension Benefits</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Components of net periodic benefit cost (credit)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,291</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,337&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,582</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,525</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">10,042&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,050</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">20,084&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(10,489)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(11,910)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(20,979)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(23,820)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of unrecognized prior service cost (credit) (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">93</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">93&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">186</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">186&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net loss (gain) (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,220</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,865&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,440</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,730&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit cost (credit)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,640</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,427&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">9,279</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,854&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.</span></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:47.135%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.841%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.842%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Other Postemployment Benefits</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Components of net periodic benefit cost (credit)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">112</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">123&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">222</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">246&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,020</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,069&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,040</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,138&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,194)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(2,212)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(4,388)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(4,424)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of net loss (gain) (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(8)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(31)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(16)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(62)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit cost (credit)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(70)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(51)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(142)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(102)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.</span></td><td colspan="3" style="display:none"></td></tr></table></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
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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">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock', window );">Schedule of Other Nonoperating Income (Expense)</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table sets forth the components of other income and other expense for the periods indicated:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:61.473%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:8.259%"></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></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></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td><td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></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="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Net periodic benefit (cost) credit other than service cost</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(972)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">356&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(2,125)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">688&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Gain (loss) on investments associated with nonqualified deferred compensation plans</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,739</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,062&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,001</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,209&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Unrealized gain (loss) on marketable equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">372</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">184&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">250</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">184&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Credit due to change in federal tax regulation for securitization (a)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,390</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,390</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(309)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(30)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(393)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total other income (expense), net</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,220</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,572&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">3,123</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">3,090&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 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></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) See Note 10 for additional detail.</span></div><span></span>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock', window );">Fair Value Measurements, Recurring and Nonrecurring</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following tables summarize, by level within the fair value hierarchy, our derivative and other assets and liabilities that were accounted for at fair value on a recurring basis at June&#160;30, 2026 and December 31, 2025:</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30, 2026</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 1</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Netting (c)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="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:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">United States treasury notes (b)</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,267</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">8,267</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Corporate bonds (b)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Marketable equity securities (d)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,877</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2,877</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">11,144</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">19,103</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">30,247</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;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;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Derivative instruments - swaps (a)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">624</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(24)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">600</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(d) The fair value is included in other current assets in our consolidated balance sheets.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31, 2025</span></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="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 1</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Level 2</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Netting (c)</span></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></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="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Assets:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></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:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">United States treasury notes (b)</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9,329&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">9,329&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Corporate bonds (b)</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Marketable equity securities (d)</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,627&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">2,627&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">11,956&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">18,643&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,599&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Derivative instruments - swaps (a)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">7,309&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">7,309&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%">(d) The fair value is included in other current assets in our consolidated balance sheets.</span></div><span></span>
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<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 100<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 100<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3<br></p></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>VARIABLE INTEREST ENTITES (Tables)<br></strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
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<tr><th class="th"><div>Jun. 30, 2026</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=ogs_KansasGasServiceSecuritizationILLCMember', window );">Kansas Gas Service Securitization I LLC</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="Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entity [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock', window );">Schedule of Variable Interest Entities</a></td>
<td class="text"><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the impact of KGSS-I on our consolidated balance sheets:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:72.438%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:11.767%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">December 31,</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Restricted cash and cash equivalents</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">22,711</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">23,107&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounts receivable</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">4,317</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">4,463&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitized intangible asset, net</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">218,991</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">233,786&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">246,019</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">261,356&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Current maturities of securitized utility tariff bonds, net of issuance costs</span></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">31,404</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">30,566&#160;</span></td><td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accounts payable</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">217</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">136&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Accrued interest</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">5,543</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">5,894&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Securitized utility tariff bonds, excluding current maturities, net of discounts and issuance costs $4.0&#160;million and $4.3&#160;million, as of June&#160;30, 2026, and December 31, 2025, respectively</span></div></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">207,115</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">223,020&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Paid-in capital</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">1,680</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></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="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">1,680&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Retained earnings</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">60</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Total liabilities and equity</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">246,019</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">261,356&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">The following table summarizes the impact of KGSS-I on our consolidated statements of income:</span></div><div style="text-align:justify"><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.765%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.770%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">Six Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">June 30,</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="padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2026</span></td><td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">2025</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"></td><td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(Thousands of dollars)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating revenues</span></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">10,876</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">13,205&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">21,853</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">24,842&#160;</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Operating expense</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(110)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(111)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(221)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(221)</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Amortization expense</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(7,368)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(9,292)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(14,795)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(16,986)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest income</span></td><td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">109</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">112&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">246</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">260&#160;</span></td><td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(3,471)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(3,879)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">(7,011)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 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:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(7,823)</span></td><td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income before income taxes</span></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">36</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">35&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">72</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">72&#160;</span></td><td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">Income taxes</span></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">(6)</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"><span 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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th">
<div>Jun. 30, 2026 </div>
<div>USD ($) </div>
<div>customers</div>
</th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th">
<div>Jun. 30, 2026 </div>
<div>USD ($) </div>
<div>customers</div>
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<th class="th">
<div>Jun. 30, 2025 </div>
<div>USD ($)</div>
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<div>Dec. 31, 2025 </div>
<div>USD ($)</div>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="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="Show.showAR( this, 'defref_ogs_NumberOfNaturalGasDistributionServicesCustomers', window );">Number of natural gas distribution services customers | customers</a></td>
<td class="nump">2,300,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">2,300,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">no<span></span>
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<td class="text">no<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 2,800<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 13,000<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 13,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 12,700<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of customers the natural gas distribution service segment services.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items for Significant accounting policies of the reporting entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 310<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481962/310-10-50-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CapitalExpendituresIncurredButNotYetPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalExpendituresIncurredButNotYetPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingDisclosureOfMajorCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of the extent of enterprise reliance on its major customers. For example, includes revenues from transactions with a single external customer amounting to 10 percent or more of the entity's revenues, the total amount of revenues from each such customer, and the identity of the segment or segments reporting the revenues. A group of entities that the entity knows to be under common control generally will be considered a single customer for inclusion in this item. The federal government, a state government, a local government (for example, a county or municipality), or a foreign government each will generally be considered as a single customer for inclusion in this item.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 42<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingDisclosureOfMajorCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<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>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueGas', window );">Regulated Operating Revenue, Gas</a></td>
<td class="nump">$ 397,446<span></span>
</td>
<td class="nump">$ 414,802<span></span>
</td>
<td class="nump">$ 1,213,169<span></span>
</td>
<td class="nump">$ 1,352,059<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueOther', window );">Regulated Operating Revenue, Other</a></td>
<td class="nump">14,193<span></span>
</td>
<td class="nump">8,939<span></span>
</td>
<td class="nump">30,181<span></span>
</td>
<td class="nump">6,872<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenue', window );">Regulated Operating Revenue</a></td>
<td class="nump">411,639<span></span>
</td>
<td class="nump">423,741<span></span>
</td>
<td class="nump">1,243,350<span></span>
</td>
<td class="nump">1,358,931<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UnbilledReceivablesCurrent', window );">Unbilled Receivables, Current</a></td>
<td class="nump">89,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">89,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 216,400<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_NaturalgassalestocustomersMember', window );">Natural gas sales to customers [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueGas', window );">Regulated Operating Revenue, Gas</a></td>
<td class="nump">349,530<span></span>
</td>
<td class="nump">364,187<span></span>
</td>
<td class="nump">1,107,898<span></span>
</td>
<td class="nump">1,239,435<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_TransportationrevenuesMember', window );">Transportation revenues [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueGas', window );">Regulated Operating Revenue, Gas</a></td>
<td class="nump">30,660<span></span>
</td>
<td class="nump">30,717<span></span>
</td>
<td class="nump">70,463<span></span>
</td>
<td class="nump">74,465<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_SecuritizationCustomerChargesMember', window );">Securitization Customer Charges</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueGas', window );">Regulated Operating Revenue, Gas</a></td>
<td class="nump">10,876<span></span>
</td>
<td class="nump">13,205<span></span>
</td>
<td class="nump">21,853<span></span>
</td>
<td class="nump">24,842<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_MiscellaneousrevenuesMember', window );">Miscellaneous revenues [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueGas', window );">Regulated Operating Revenue, Gas</a></td>
<td class="nump">6,380<span></span>
</td>
<td class="nump">6,693<span></span>
</td>
<td class="nump">12,955<span></span>
</td>
<td class="nump">13,317<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_OtherrevenuesnaturalgassalesrelatedMember', window );">Other revenues - natural gas sales related [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueOther', window );">Regulated Operating Revenue, Other</a></td>
<td class="nump">9,452<span></span>
</td>
<td class="nump">5,553<span></span>
</td>
<td class="nump">21,254<span></span>
</td>
<td class="nump">729<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_REVENUEAxis=ogs_OtherrevenuesMember', window );">Other revenues [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatedOperatingRevenueOther', window );">Regulated Operating Revenue, Other</a></td>
<td class="nump">$ 4,741<span></span>
</td>
<td class="nump">$ 3,386<span></span>
</td>
<td class="nump">$ 8,927<span></span>
</td>
<td class="nump">$ 6,143<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatedOperatingRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The total amount of regulated operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatedOperatingRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RegulatedOperatingRevenueGas">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount of regulated gas operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatedOperatingRevenueGas</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RegulatedOperatingRevenueOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount of regulated other operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatedOperatingRevenueOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_UnbilledReceivablesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledReceivablesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ogs_REVENUEAxis=ogs_NaturalgassalestocustomersMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_NaturalgassalestocustomersMember</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_ogs_REVENUEAxis=ogs_TransportationrevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_TransportationrevenuesMember</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_ogs_REVENUEAxis=ogs_SecuritizationCustomerChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_SecuritizationCustomerChargesMember</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_ogs_REVENUEAxis=ogs_MiscellaneousrevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_MiscellaneousrevenuesMember</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_ogs_REVENUEAxis=ogs_OtherrevenuesnaturalgassalesrelatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_OtherrevenuesnaturalgassalesrelatedMember</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_ogs_REVENUEAxis=ogs_OtherrevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_REVENUEAxis=ogs_OtherrevenuesMember</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>47
<FILENAME>R36.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REGULATORY ASSETS AND LIABILITIES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">$ 83,367<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 83,367<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 49,504<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">250,704<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">250,704<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">256,225<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">334,071<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">334,071<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">305,729<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liability, Current</a></td>
<td class="num">(24,702)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(24,702)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(57,277)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liability, Noncurrent</a></td>
<td class="num">(433,135)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(433,135)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(451,620)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="num">(457,837)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(457,837)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(508,897)<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="Show.showAR( this, 'defref_ogs_Netregulatoryassetsandliabilitiescurrent', window );">Net Regulatory Assets (Liabilities), Current</a></td>
<td class="nump">58,665<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">58,665<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(7,773)<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="Show.showAR( this, 'defref_ogs_Netregulatoryassetsandliabilitiesnoncurrent', window );">Net regulatory assets and liabilities, noncurrent</a></td>
<td class="num">(182,431)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(182,431)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(195,395)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetRegulatoryAssets', window );">Net Regulatory Assets (Liabilities)</a></td>
<td class="num">(123,766)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(123,766)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(203,168)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AmortizationOfRateDeferral', window );">Amortization of Rate Deferral</a></td>
<td class="num">(900)<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="num">(900)<span></span>
</td>
<td class="nump">$ 7,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=ogs_IncometaxratechangesMemberDomain', window );">Income tax rate changes [Member] [Domain]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liability, Current</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liability, Noncurrent</a></td>
<td class="num">(428,331)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(428,331)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(444,986)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="num">(428,331)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(428,331)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(444,986)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=ogs_OverrecoveredpurchasedgascostsMember', window );">Over-recovered purchased-gas costs [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liability, Current</a></td>
<td class="num">(22,384)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(22,384)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(56,876)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liability, Noncurrent</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="num">(22,384)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(22,384)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(56,876)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=ogs_AdvaloremtaxMember', window );">Ad valorem tax [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liability, Current</a></td>
<td class="num">(2,060)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,060)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(165)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liability, Noncurrent</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="num">(2,060)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,060)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(165)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=ogs_OtherRegulatoryLiabilitiesMember', window );">Other regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liability, Current</a></td>
<td class="num">(258)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(258)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(236)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liability, Noncurrent</a></td>
<td class="num">(4,804)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(4,804)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(6,634)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="num">(5,062)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(5,062)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(6,870)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=ogs_UnderrecoveredpurchasedgascostsMember', window );">Under-recovered purchased-gas costs [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">19,830<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,830<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,692<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">19,830<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,830<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,692<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_PensionCostsMember', window );">Pension and postretirement benefit costs, net [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">10,187<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,187<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,929<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">216,408<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">216,408<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">221,809<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">226,595<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">226,595<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">232,738<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_LossOnReacquiredDebtMember', window );">Reacquired debt costs [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">723<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">723<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">723<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">904<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">904<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,266<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">1,627<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,627<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,989<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=ogs_MGPCostsMemberMember', window );">MGP Costs [Member] [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">1,000<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>
<td class="nump">1,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">29,342<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">29,342<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">29,105<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">30,342<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,342<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,105<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=ogs_WeathernormalizationMember', window );">Weather normalization [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">32,835<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,835<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,175<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">32,835<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,835<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,175<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=ogs_CustomerCreditDeferralsMember', window );">Customer credit deferrals</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">12,385<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,385<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,953<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">1,075<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,075<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,091<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">13,460<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,460<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,044<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=ogs_OtherregulatoryassetsMember', window );">Other regulatory assets, net [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems', window );"><strong>SCHEDULE OF REGULATED ASSETS AND LIABILITIES [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">6,407<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,407<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,032<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, noncurrent</a></td>
<td class="nump">2,975<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,975<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,954<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">$ 9,382<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,382<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,986<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_Netregulatoryassetsandliabilitiescurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The net amount of all current regulatory assets less all current regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_Netregulatoryassetsandliabilitiescurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_Netregulatoryassetsandliabilitiesnoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The net amount of noncurrent regulatory assets less all noncurrent regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_Netregulatoryassetsandliabilitiesnoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>[Line Items] for Tabular disclosure of assets and liabilities that result from rate actions of a regulator. Regulatory assets are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_SCHEDULEOFREGULATEDASSETSANDLIABILITIESLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_AmortizationOfRateDeferral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The periodic expense to reduce the value of the rate deferral asset that is created when utilities under bill customers during periods of rate increases by deferring rate increases. These customers eventually pay higher rates to repay the utility for the rate deferral.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -SubTopic 10<br> -Topic 230<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfRateDeferral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_NetRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The net amount of all regulatory assets less all regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 405<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 405<br> -Name Accounting Standards Codification<br> -Section 25<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477571/980-405-25-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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=ogs_IncometaxratechangesMemberDomain">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_IncometaxratechangesMemberDomain</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=ogs_OverrecoveredpurchasedgascostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_OverrecoveredpurchasedgascostsMember</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=ogs_AdvaloremtaxMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_AdvaloremtaxMember</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=ogs_OtherRegulatoryLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_OtherRegulatoryLiabilitiesMember</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=ogs_UnderrecoveredpurchasedgascostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_UnderrecoveredpurchasedgascostsMember</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_PensionCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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_PensionCostsMember</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_MGPCostsMemberMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_MGPCostsMemberMember</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=ogs_WeathernormalizationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_WeathernormalizationMember</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=ogs_CustomerCreditDeferralsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_CustomerCreditDeferralsMember</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=ogs_OtherregulatoryassetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_OtherregulatoryassetsMember</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>48
<FILENAME>R37.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CREDIT FACILITIES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Short-term Debt [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="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Line of Credit Facility, Maximum Borrowing Capacity</a></td>
<td class="nump">$ 1,500,000<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="Show.showAR( this, 'defref_ogs_LineofCreditFacilitySublimit', window );">Line of Credit Facility Sublimit</a></td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BridgeLoan', window );">Swingline subfacility</a></td>
<td class="nump">60,000<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="Show.showAR( this, 'defref_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity', window );">Line of Credit Facility Option to Increase Borrowing Capacity</a></td>
<td class="nump">750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of Credit Outstanding, Amount</a></td>
<td class="nump">2,400<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="Show.showAR( this, 'defref_ogs_LineOfCreditFacilityAmountOutstanding', window );">Line of Credit Facility, Amount Outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity', window );">Line of Credit Facility, Remaining Borrowing Capacity</a></td>
<td class="nump">$ 1,500,000<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="Show.showAR( this, 'defref_ogs_ApprovedDebtToCapitalRatio', window );">Approved Debt to Capital Ratio</a></td>
<td class="nump">70.00%<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="Show.showAR( this, 'defref_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt', window );">Ratio of Indebtedness to Net Capital Excluding KGSS-I debt</a></td>
<td class="nump">47.10%<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="Show.showAR( this, 'defref_ogs_CommercialPaperMaximumBorrowingCapacity', window );">Commercial paper maximum borrowing capacity</a></td>
<td class="nump">$ 1,500,000<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="Show.showAR( this, 'defref_ogs_CommercialPaperMaximumMaturityTerm', window );">CommercialPaperMaximumMaturityTerm</a></td>
<td class="text">270 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommercialPaper', window );">Short-term debt</a></td>
<td class="nump">$ 770,800<span></span>
</td>
<td class="nump">$ 737,400<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShortTermDebtWeightedAverageInterestRate', window );">Short-Term Debt, Weighted Average Interest Rate, at Point in Time</a></td>
<td class="nump">4.09%<span></span>
</td>
<td class="nump">3.94%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_ApprovedDebtToCapitalRatio">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Approved Debt to Capital Ratio</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ApprovedDebtToCapitalRatio</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_CommercialPaperMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the commercial paper program.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CommercialPaperMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_CommercialPaperMaximumMaturityTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>CommercialPaperMaximumMaturityTerm</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CommercialPaperMaximumMaturityTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_LineOfCreditFacilityAmountOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line of Credit Facility, Amount Outstanding</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_LineOfCreditFacilityAmountOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>This item represents the total amount the facility my increase to.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_LineofCreditFacilityOptiontoIncreaseBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_LineofCreditFacilitySublimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>This item represents the amount of sublimit for the issuance of standby letters of credit.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_LineofCreditFacilitySublimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indebtedness, excluding KGSS-I debt, divided by net capital</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_RatioOfIndebtednessToNetCapitalExcludingKGSSIDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BridgeLoan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BridgeLoan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_CommercialPaper">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a)(3))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 605<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 15<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477548/944-605-55-15<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 605<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477548/944-605-55-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_LineOfCreditFacilityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(f))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 470<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityLineItems</td>
</tr>
<tr>
<td style="padding-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_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_LineOfCreditFacilityRemainingBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ShortTermDebtWeightedAverageInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Weighted average interest rate of short-term debt outstanding calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481544/470-10-50-7<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtWeightedAverageInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LONG-TERM DEBT (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Feb. 10, 2026</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-Term Debt</a></td>
<td class="nump">$ 2,622,125<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,636,278<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt Instrument, Unamortized Discount</a></td>
<td class="num">(3,939)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,830)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Debt Issuance Costs, Net</a></td>
<td class="num">(17,636)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(18,955)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt, current maturities, net of issuance costs</a></td>
<td class="nump">249,918<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">249,674<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term Debt, excluding current maturities, net of issuance costs</a></td>
<td class="nump">2,340,803<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,356,038<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="Show.showAR( this, 'defref_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold', window );">Debt Instrument, Covenant Compliance, Default Provision, Indebtnedness Threshold</a></td>
<td class="nump">$ 100,000<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="Show.showAR( this, 'defref_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders', window );">Debt Instrument, Covenant Compliance, Default Provision, Debt Holders</a></td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentRedemptionPricePercentage', window );">Debt Instrument, Redemption Price, Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=ogs_KansasGasServiceSecuritizationILLCMember', window );">Kansas Gas Service Securitization I LLC</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Debt Issuance Costs, Net</a></td>
<td class="nump">$ 4,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,300<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A510SeniorUnsecuredNotesDue2029Member', window );">5.10% Senior Unsecured Notes Due 2029 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">5.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 550,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">550,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A200SeniorUnsecuredNotesDue2030Member', window );">2.00% Senior Unsecured Notes Due 2030</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">2.00%<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="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A425SeniorUnsecuredNotesDue2032Member', window );">4.25% Senior Unsecured Notes Due 2032</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">4.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A4658SeniorUnsecuredNotesDue2044Member', window );">4.658% Senior Unsecured Notes Due 2044</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">4.658%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">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="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A450SeniorUnsecuredNotesDue2048Member', window );">4.50% Senior Unsecured Notes Due 2048</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_TotalSeniorUnsecuredNotesMember', window );">Total Senior Unsecured Notes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 2,150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,150,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member', window );">5.486% KGSS-I Securitized Utility Tariff Bonds Due 2032</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">5.486%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 242,496<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">257,852<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt, current maturities, net of issuance costs</a></td>
<td class="nump">$ 31,404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,566<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A800OtherLongTermDebtMember', window );">8.00% Other Long Term Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">8.00%<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="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 1,204<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,211<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_A4.960UnsecuredTermLoanDue2026Member', window );">4.960% Unsecured Term Loan Due 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">4.48%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term Debt, Gross</a></td>
<td class="nump">$ 250,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 250,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateTerms', window );">Debt Instrument, Interest Rate Terms</a></td>
<td class="text">The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026.<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="Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=ogs_UnsecuredTermLoanDue2026Member', window );">Unsecured Term Loan Due 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt Instrument, Interest Rate, Stated Percentage</a></td>
<td class="nump">4.48%<span></span>
</td>
<td class="nump">4.96%<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="Show.showAR( this, 'defref_ogs_DebtInstrumentReferenceRate', window );">Debt Instrument, Reference Rate</a></td>
<td class="nump">3.58%<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_ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Debt Instrument, Covenant Compliance, Default Provision - Threshold of percentage held, of the aggregate principal amount of outstanding Senior Notes, to declare acceleration of repayment upon an event of default.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indebtedness threshold considered an event of default as stipulated in our Senior Note indenture.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_DebtInstrumentReferenceRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Debt Instrument, Reference Rate</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DebtInstrumentReferenceRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -SubTopic 10<br> -Topic 210<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<tr>
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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_DebtInstrumentInterestRateTerms">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateTerms</td>
</tr>
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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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_DebtInstrumentRedemptionPricePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 470<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentRedemptionPricePercentage</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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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnamortizedDiscount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -SubTopic 10<br> -Topic 210<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 835<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 69B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B<br><br>Reference 8: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 69C<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D<br><br>Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebt</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>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
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<td>instant</td>
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<a href="javascript:void(0);" onclick="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=ogs_KansasGasServiceSecuritizationILLCMember</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A510SeniorUnsecuredNotesDue2029Member</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A200SeniorUnsecuredNotesDue2030Member</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A425SeniorUnsecuredNotesDue2032Member</td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A4658SeniorUnsecuredNotesDue2044Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr>
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<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A450SeniorUnsecuredNotesDue2048Member</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_TotalSeniorUnsecuredNotesMember</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_LongtermDebtTypeAxis=ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A5.486KGSSISecuritizedUtilityTariffBondsDue2032Member</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A800OtherLongTermDebtMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=ogs_A4.960UnsecuredTermLoanDue2026Member</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EQUITY (Details) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="3">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
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<tr>
<th class="th"><div>Aug. 31, 2026</div></th>
<th class="th"><div>Aug. 17, 2026</div></th>
<th class="th"><div>Sep. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
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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="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue', window );">Forward Contract Indexed to Issuer's Equity, Indexed Shares</a></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">506,607<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">506,607<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate', window );">Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 81.90<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue', window );">Forward Contract Indexed to Equity, Settlement, Cash, 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">$ 41,492<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 41,492<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareCashPaid', window );">Dividends paid per share of stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.68<span></span>
</td>
<td class="nump">$ 0.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Common Stock, Dividends, Per Share, Declared</a></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">$ 0.68<span></span>
</td>
<td class="nump">$ 0.67<span></span>
</td>
<td class="nump">$ 1.36<span></span>
</td>
<td class="nump">$ 1.34<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SubsidiarySaleOfStockAxis=ogs_AtTheMarketProgramMember', window );">At-The-Market 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>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_AttheMarketEquityProgramAggregateOfferingPriceLimit', window );">Aggregate Offering Price 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="nump">$ 225,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 225,000<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="Show.showAR( this, 'defref_ogs_EquityAvailableForIssuance', window );">Equity Available for Issuance</a></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">$ 204,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 204,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_June2026AtTheMarketEquityProgramMember', window );">March 2026 At-The-Market Equity 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>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares', window );">Forward Contract Indexed to At-the-Market Equity, Settlement, Original Number of Shares</a></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">237,307<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">237,307<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="Show.showAR( this, 'defref_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares', window );">Forward Contract Indexed to At-the-Market Equity, Settlement, Number of Shares</a></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">237,307<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">237,307<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="Show.showAR( this, 'defref_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare', window );">Forward Contract Indexed to Issuer's At-the-Market Equity, Forward Rate Per Share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 86.09<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="Show.showAR( this, 'defref_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount', window );">Forward Contract Indexed to At-the-Market Equity, Settlement, Cash, 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">$ 20,430<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 20,430<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="Show.showAR( this, 'defref_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_May2025EquityForwardAgreementMember', window );">May 2025 Equity Forward Agreement [Domain]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares', window );">Forward Contract Indexed to Equity, Settlement, Original Number of Shares</a></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">2,500,000<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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue', window );">Forward Contract Indexed to Issuer's Equity, Indexed Shares</a></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">269,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">269,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate', window );">Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 78.21<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue', window );">Forward Contract Indexed to Equity, Settlement, Cash, 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">$ 21,062<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 21,062<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="Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Common Stock, Dividends, Per Share, Declared</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.68<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_ogs_CommonStockDividendsDeclaredAnnualizedBasis', window );">Common Stock, Dividends, Declared, Annualized Basis</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 2.72<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Dividends Payable, Date of Record</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Aug. 17,  2026<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Dividends Payable, Date to be Paid</a></td>
<td class="text">Aug. 31,  2026<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></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_ogs_AttheMarketEquityProgramAggregateOfferingPriceLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>At-the-Market Equity Program, Aggregate Offering Price Limit</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_AttheMarketEquityProgramAggregateOfferingPriceLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_CommonStockDividendsDeclaredAnnualizedBasis">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Dividends declared during the period for each share of common stock outstanding, on an annualized basis.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CommonStockDividendsDeclaredAnnualizedBasis</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_EquityAvailableForIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Equity Available for Issuance</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_EquityAvailableForIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Forward Contract Indexed to At-the-Market Equity, Settlement, Cash, Amount</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Forward Contract Indexed to At-the-Market Equity, Settlement, Number of Shares</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Forward Contract Indexed to At-the-Market Equity, Settlement, Original Number of Shares</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Forward Contract Indexed to Equity, Settlement, Original Number of Shares</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ForwardContractIndexedToEquitySettlementOriginalNumberOfShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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>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_ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Forward Contract Indexed to Issuer's At-the-Market Equity, Forward Rate Per Share</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockDividendsPerShareCashPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends paid during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareCashPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockDividendsPerShareDeclared">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends declared during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareDeclared</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Date the declared dividend will be paid, in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendPayableDateToBePaidDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</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_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableDateOfRecordDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</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_us-gaap_ForwardContractIndexedToIssuersEquityForwardRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The per share price of the Company's stock at which the contract holder of the freestanding contract has the right to purchase or sell the Company's stock at a future date.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (a)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ForwardContractIndexedToIssuersEquityForwardRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount that would be paid upon settlement of forward contract indexed to equity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (d)<br> -SubTopic 40<br> -Topic 815<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of shares as a settlement alternative for each freestanding forward contract.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (d)<br> -SubTopic 40<br> -Topic 815<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue</td>
</tr>
<tr>
<td style="padding-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_SubsidiarySaleOfStockAxis=ogs_AtTheMarketProgramMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsidiarySaleOfStockAxis=ogs_AtTheMarketProgramMember</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_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_June2026AtTheMarketEquityProgramMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_June2026AtTheMarketEquityProgramMember</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_ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_May2025EquityForwardAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ScheduleOfOutstandingEquityForwardSaleAgreementsAxis=ogs_May2025EquityForwardAgreementMember</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Defined benefit plan, amortization of net loss (gain)</a></td>
<td class="num">$ (4,212)<span></span>
</td>
<td class="num">$ (1,834)<span></span>
</td>
<td class="num">$ (8,424)<span></span>
</td>
<td class="num">$ (3,668)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Defined benefit plan, amortization of unrecognized prior service cost (credit)</a></td>
<td class="num">(93)<span></span>
</td>
<td class="num">(93)<span></span>
</td>
<td class="num">(186)<span></span>
</td>
<td class="num">(186)<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="Show.showAR( this, 'defref_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments', window );">Defined benefit plan, reclassification adjustment, before tax and regulatory adjustments</a></td>
<td class="num">(4,305)<span></span>
</td>
<td class="num">(1,927)<span></span>
</td>
<td class="num">(8,610)<span></span>
</td>
<td class="num">(3,854)<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="Show.showAR( this, 'defref_ogs_DefinedBenefitPlanRegulatoryAdjustments', window );">Defined benefit plan, regulatory adjustments</a></td>
<td class="nump">4,306<span></span>
</td>
<td class="nump">1,928<span></span>
</td>
<td class="nump">8,611<span></span>
</td>
<td class="nump">3,855<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss', window );">Debt Securities, Available-for-Sale, Realized Gain (Loss)</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">4<span></span>
</td>
<td class="nump">35<span></span>
</td>
<td class="nump">7<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax', window );">Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax</a></td>
<td class="nump">4<span></span>
</td>
<td class="nump">5<span></span>
</td>
<td class="nump">36<span></span>
</td>
<td class="nump">8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReclassificationFromAociCurrentPeriodTax', window );">Reclassification from AOCI, Current Period, Tax</a></td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="num">(8)<span></span>
</td>
<td class="num">(2)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">4<span></span>
</td>
<td class="nump">28<span></span>
</td>
<td class="nump">6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">ONE Gas Pension Plans [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Defined benefit plan, amortization of net loss (gain)</a></td>
<td class="num">(4,220)<span></span>
</td>
<td class="num">(1,865)<span></span>
</td>
<td class="num">(8,440)<span></span>
</td>
<td class="num">(3,730)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Defined benefit plan, amortization of unrecognized prior service cost (credit)</a></td>
<td class="num">(93)<span></span>
</td>
<td class="num">(93)<span></span>
</td>
<td class="num">(186)<span></span>
</td>
<td class="num">(186)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent', window );">Defined benefit plan, reclassification from AOCI, Current Period, before Tax, Attributable to Parent</a></td>
<td class="nump">$ 1<span></span>
</td>
<td class="nump">$ 1<span></span>
</td>
<td class="nump">$ 1<span></span>
</td>
<td class="nump">$ 1<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Defined benefit plan, reclassification adjustment, before tax and regulatory adjustments</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_DefinedBenefitPlanRegulatoryAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Other comprehensive income (loss) reclassification - Regulatory adjustments represent pension and other postretirement benefit costs expected to be recovered through rates and are deferred as part of our regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DefinedBenefitPlanRegulatoryAdjustments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_AccumulatedOtherComprehensiveIncomeLossLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-5<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-17<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of realized gain (loss) 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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 320<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DefinedBenefitPlanAmortizationOfGainsLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(4)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(4)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(5)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(5)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-5<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-17<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480870/815-30-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-5<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-17<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 830<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4<br><br>Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 15<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482739/220-10-55-15<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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 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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 12<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-12<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482765/220-10-50-4<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 17A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-17A<br></p></div>
<a href="javascript:void(0);" onclick="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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<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="4">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
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<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Mar. 31, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Mar. 31, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAbstract', window );"><strong>Basic EPS Calculation</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>
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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="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income available for common stock</a></td>
<td class="nump">$ 46,808<span></span>
</td>
<td class="nump">$ 128,673<span></span>
</td>
<td class="nump">$ 32,033<span></span>
</td>
<td class="nump">$ 119,419<span></span>
</td>
<td class="nump">$ 175,481<span></span>
</td>
<td class="nump">$ 151,452<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted Average Number of Shares Outstanding, Basic</a></td>
<td class="nump">62,959<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,113<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,936<span></span>
</td>
<td class="nump">60,095<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="Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Earnings Per Share, Basic</a></td>
<td class="nump">$ 0.74<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.53<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2.79<span></span>
</td>
<td class="nump">$ 2.52<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareDilutedAbstract', window );"><strong>Diluted EPS Calculation</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="Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted', window );">Net Income (Loss) Available to Common Stockholders, Diluted</a></td>
<td class="nump">$ 46,808<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 32,033<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 175,481<span></span>
</td>
<td class="nump">$ 151,452<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment', window );">Effect of dilutive securities on shares</a></td>
<td class="nump">194<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">342<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">242<span></span>
</td>
<td class="nump">266<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted Average Number of Shares Outstanding, Diluted</a></td>
<td class="nump">63,153<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">63,178<span></span>
</td>
<td class="nump">60,361<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Earnings Per Share, Diluted</a></td>
<td class="nump">$ 0.74<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.53<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2.78<span></span>
</td>
<td class="nump">$ 2.51<span></span>
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<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><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>
<td>us-gaap_</td>
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<td>dtr-types:perShareItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAbstract</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: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_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><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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<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDilutedAbstract</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>
</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_WeightedAverageNumberDilutedSharesOutstandingAdjustment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment</td>
</tr>
<tr>
<td style="padding-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_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 16<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482689/260-10-45-16<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 260<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482689/260-10-45-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</div>
</body>
</html>
</TEXT>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EMPLOYEE BENEFIT PLANS (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Employee Benefit Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet', window );">Pension and other postemployment benefits</a></td>
<td class="nump">$ 47,326<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 47,326<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 47,012<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Defined benefit plan, amortization of unrecognized prior service cost (credit)</a></td>
<td class="nump">93<span></span>
</td>
<td class="nump">$ 93<span></span>
</td>
<td class="nump">186<span></span>
</td>
<td class="nump">$ 186<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Defined benefit plan, amortization of net loss (gain)</a></td>
<td class="nump">4,212<span></span>
</td>
<td class="nump">1,834<span></span>
</td>
<td class="nump">8,424<span></span>
</td>
<td class="nump">3,668<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax', window );">Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax</a></td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory Assets</a></td>
<td class="nump">334,071<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">334,071<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">305,729<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent', window );">Other Deferred Compensation Arrangements, Liability, Current and Noncurrent</a></td>
<td class="nump">24,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21,900<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashSurrenderValueOfLifeInsurance', window );">Cash Surrender Value of Life Insurance</a></td>
<td class="nump">49,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">46,200<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense', window );">Deferred Compensation Arrangement with Individual, Compensation Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,100<span></span>
</td>
<td class="nump">1,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory liability, noncurrent</a></td>
<td class="nump">433,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">433,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">451,620<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="Show.showAR( this, 'defref_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts', window );">Regulatory Deferral of net periodic benefit costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,200)<span></span>
</td>
<td class="num">(500)<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="Show.showAR( this, 'defref_ogs_CapitalizedNonServiceCostComponents', window );">Capitalized non-service cost components</a></td>
<td class="num">(5,100)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(5,100)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (6,800)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">ONE Gas Pension Plans [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Employee Benefit Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">1,291<span></span>
</td>
<td class="nump">1,337<span></span>
</td>
<td class="nump">2,582<span></span>
</td>
<td class="nump">2,674<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">9,525<span></span>
</td>
<td class="nump">10,042<span></span>
</td>
<td class="nump">19,050<span></span>
</td>
<td class="nump">20,084<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(10,489)<span></span>
</td>
<td class="num">(11,910)<span></span>
</td>
<td class="num">(20,979)<span></span>
</td>
<td class="num">(23,820)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Defined benefit plan, amortization of unrecognized prior service cost (credit)</a></td>
<td class="nump">93<span></span>
</td>
<td class="nump">93<span></span>
</td>
<td class="nump">186<span></span>
</td>
<td class="nump">186<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Defined benefit plan, amortization of net loss (gain)</a></td>
<td class="nump">4,220<span></span>
</td>
<td class="nump">1,865<span></span>
</td>
<td class="nump">8,440<span></span>
</td>
<td class="nump">3,730<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="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost (credit)</a></td>
<td class="nump">4,640<span></span>
</td>
<td class="nump">1,427<span></span>
</td>
<td class="nump">9,279<span></span>
</td>
<td class="nump">2,854<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">ONE Gas Postretirement Benefit Plans [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Employee Benefit Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">112<span></span>
</td>
<td class="nump">123<span></span>
</td>
<td class="nump">222<span></span>
</td>
<td class="nump">246<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">2,020<span></span>
</td>
<td class="nump">2,069<span></span>
</td>
<td class="nump">4,040<span></span>
</td>
<td class="nump">4,138<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(2,194)<span></span>
</td>
<td class="num">(2,212)<span></span>
</td>
<td class="num">(4,388)<span></span>
</td>
<td class="num">(4,424)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Defined benefit plan, amortization of net loss (gain)</a></td>
<td class="num">(8)<span></span>
</td>
<td class="num">(31)<span></span>
</td>
<td class="num">(16)<span></span>
</td>
<td class="num">(62)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost (credit)</a></td>
<td class="num">$ (70)<span></span>
</td>
<td class="num">$ (51)<span></span>
</td>
<td class="num">$ (142)<span></span>
</td>
<td class="num">$ (102)<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_ogs_CapitalizedNonServiceCostComponents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Capitalized non-service cost components</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CapitalizedNonServiceCostComponents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Regulatory Deferral of net periodic benefit costs</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_RegulatoryDeferralOfNetPeriodicBenefitCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_CashSurrenderValueOfLifeInsurance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashSurrenderValueOfLifeInsurance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DeferredCompensationArrangementWithIndividualCompensationExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The compensation expense recognized during the period pertaining to the deferred compensation arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 710<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 30<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483043/710-10-30-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DefinedBenefitPlanAmortizationOfGainsLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(4)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(4)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(5)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(5)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_DefinedBenefitPlanAmountsRecognizedInBalanceSheet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-2<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DefinedBenefitPlanExpectedReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (q)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 17<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 18<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 715<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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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>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (j)<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (k)<br> -SubTopic 10<br> -Topic 220<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of the liabilities for deferred compensation arrangements classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 980<br> -SubTopic 340<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478742/980-340-50-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Apr. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers', window );">Reduction in income tax expense for the amortization of the regulatory liability associated with excess ADIT that was returned to customers</a></td>
<td class="text">&#160;<span></span>
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<td class="nump">$ 3,300<span></span>
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<td class="nump">$ 2,100<span></span>
</td>
<td class="nump">$ 12,800<span></span>
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<td class="nump">$ 10,200<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="Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationLineItems', window );"><strong>Effective Income Tax Rate Reconciliation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,982<span></span>
</td>
<td class="nump">$ 7,115<span></span>
</td>
<td class="nump">36,446<span></span>
</td>
<td class="nump">$ 33,016<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,012,944<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,012,944<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 963,874<span></span>
</td>
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<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_IRS2022FederalIncomeTaxReturn', window );">IRS 2022 Federal Income Tax Return</a></td>
<td class="nump">$ 64,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_ogs_IRS2022IncomeTaxReturnFederalIncomeTax', window );">IRS 2022 Income Tax Return, Federal Income Tax</a></td>
<td class="nump">55,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_IRS2022IncomeTaxReturnInterest', window );">IRS 2022 Income Tax Return, Interest</a></td>
<td class="nump">$ 8,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>IRS 2022 Federal Income Tax Return</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IRS2022FederalIncomeTaxReturn</td>
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<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>IRS 2022 Income Tax Return, Federal Income Tax</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IRS2022IncomeTaxReturnFederalIncomeTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>IRS 2022 Income Tax Return, Interest</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_IRS2022IncomeTaxReturnInterest</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Reduction in income tax expense for the amortization of the regulatory liability associated with excess ADIT that was returned to customers</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers</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_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(15)(b)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482525/740-10-45-4<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 6<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482525/740-10-45-6<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
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<td><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 231<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Subparagraph (b)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationLineItems</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>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 14<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-14<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 270<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (ee)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12<br><br>Reference 8: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 231<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 9<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-9<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 250<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483443/250-10-50-8<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-10<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 280<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 220<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -SubTopic 20<br> -Topic 740<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482659/740-20-45-2<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -SubTopic 10<br> -Topic 235<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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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>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 740<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsLineItems</td>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<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>
<th class="th" colspan="2">6 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="nump">$ 5,220<span></span>
</td>
<td class="nump">$ 2,572<span></span>
</td>
<td class="nump">$ 3,123<span></span>
</td>
<td class="nump">$ 3,090<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_NetPeriodicCreditCostOtherThanServiceCostMember', window );">Net periodic credit (cost) other than service 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="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="num">(972)<span></span>
</td>
<td class="nump">356<span></span>
</td>
<td class="num">(2,125)<span></span>
</td>
<td class="nump">688<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="Show.showAR( this, 'defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember', window );">Gain (loss) on investments associated with nonqualified deferred compensation plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="nump">3,739<span></span>
</td>
<td class="nump">2,062<span></span>
</td>
<td class="nump">3,001<span></span>
</td>
<td class="nump">2,209<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember', window );">Unrealized gain (loss) on marketable 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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="nump">372<span></span>
</td>
<td class="nump">184<span></span>
</td>
<td class="nump">250<span></span>
</td>
<td class="nump">184<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember', window );">Credit due to change in federal tax regulation for securitization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="nump">2,390<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">2,390<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="Show.showAR( this, 'defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_OthernetMember', window );">Other, net</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other Nonoperating Income (Expense)</a></td>
<td class="num">$ (309)<span></span>
</td>
<td class="num">$ (30)<span></span>
</td>
<td class="num">$ (393)<span></span>
</td>
<td class="nump">$ 9<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_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 220<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(9))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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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>
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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_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_NetPeriodicCreditCostOtherThanServiceCostMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_NetPeriodicCreditCostOtherThanServiceCostMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_GainLossOnInvestmentsAssociatedWithNonqualifiedDeferredCompensationPlansMember</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_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_UnrealizedGainLossOnMarketableEquitySecuritiesMember</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_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_CreditDueToChangeInFederalTaxRegulationForSecuritizationMember</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_ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_OthernetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_OTHERINCOMEANDOTHEREXPENSEAxis=ogs_OthernetMember</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>
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</body>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>COMMITMENTS AND CONTINGENCIES (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Jun. 30, 2026 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2025 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_CommitmentsandContingenciesLineItems', window );"><strong>Commitments and Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions', window );">Number Of Former Manufactured Gas Sites Where We Own Or Retain Legal Responsibility For Environmental Conditions</a></td>
<td class="nump">12<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="Show.showAR( this, 'defref_ogs_Numberofsiteswithongoinggroundwatermonitoring', window );">Number of sites with ongoing groundwater monitoring</a></td>
<td class="nump">7<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="Show.showAR( this, 'defref_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved', window );">Number of sites where regulatory closure has been achieved</a></td>
<td class="nump">5<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="Show.showAR( this, 'defref_ogs_DeferredMGPCostsMaximum', window );">Deferred MGP Costs, Maximum</a></td>
<td class="nump">$ 32,000<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="Show.showAR( this, 'defref_ogs_DeferredMGPCostsOriginalMaximum', window );">Deferred MGP Costs, Maximum</a></td>
<td class="nump">15,000<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="Show.showAR( this, 'defref_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites', window );">Regulatory Asset for Costs Associated with Manufactured Gas Sites</a></td>
<td class="nump">30,300<span></span>
</td>
<td class="nump">$ 30,100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Accrual for Environmental Loss Contingencies</a></td>
<td class="nump">13,000<span></span>
</td>
<td class="nump">$ 13,700<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PurchaseObligation', window );">Purchase Obligation</a></td>
<td class="nump">24,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted', window );">Purchase Commitment, Remaining Minimum Amount Committed</a></td>
<td class="nump">19,800<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="Show.showAR( this, 'defref_ogs_PurchaseCommitmentAmountPaid', window );">Purchase Commitment, Amount Paid</a></td>
<td class="nump">$ 5,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ogs_CommitmentsandContingenciesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>[Line Items] for Disclosure of commitments and contingencies [Table]</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CommitmentsandContingenciesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_DeferredMGPCostsMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Deferred MGP Costs, Maximum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DeferredMGPCostsMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_DeferredMGPCostsOriginalMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Deferred MGP Costs, Original Maximum</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_DeferredMGPCostsOriginalMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of former manufactured gas sites where we own or retain legal responsibility.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_NumberOfFormerManufacturedGasSitesWhereWeOwnOrRetainLegalResponsibilityForEnvironmentalConditions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of sites where regulatory closure has been achieved</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_NumberOfSitesWhereRegulatoryClosureHasBeenAchieved</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_Numberofsiteswithongoinggroundwatermonitoring">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of sites where groundwater continues to be monitored in accordance to plans approved by the KDHE.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_Numberofsiteswithongoinggroundwatermonitoring</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_PurchaseCommitmentAmountPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Purchase Commitment, Amount Paid</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_PurchaseCommitmentAmountPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Regulatory Asset for Costs Associated with Manufactured Gas Sites</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_RegulatoryAssetForCostsAssociatedWithManufacturedGasSites</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_AccrualForEnvironmentalLossContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Total costs accrued as of the balance sheet date for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 450<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 410<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481931/410-30-50-10<br><br>Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Topic 410<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(3)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481931/410-30-50-10<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 410<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 16<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481899/410-30-55-16<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 450<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 5.Y.Q1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 410<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481931/410-30-50-7<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_PurchaseCommitmentRemainingMinimumAmountCommitted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(17))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(25))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_PurchaseObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 942<br> -SubTopic 235<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 2<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PurchaseObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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>
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<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details) Note<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Jun. 30, 2026 </div>
<div>USD ($) </div>
<div>Bcf</div>
</th>
<th class="th">
<div>Jun. 30, 2025 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2025 </div>
<div>USD ($) </div>
<div>Bcf</div>
</th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_FairValueAssetsTransfersbetweenLevels', window );">Fair Value Assets, Transfers between Levels</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LongTermDebtFairValue', window );">Long-term Debt, Fair Value</a></td>
<td class="nump">$ 2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_CommodityOptionMember', window );">Commodity Option</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount | Bcf</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.50<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="Show.showAR( this, 'defref_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld', window );">Premiums recorded in other current assets on natural gas contracts held</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_SwapMember', window );">Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount | Bcf</a></td>
<td class="nump">11.70<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.02<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember', window );">Other Assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, Fair Value Disclosure</a></td>
<td class="nump">$ 30,247<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 30,599<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember', window );">Other Assets | US Treasury Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">8,267<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,329<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember', window );">Other Assets | Corporate Bond Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">19,103<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,643<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember', window );">Other Assets | 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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent', window );">Equity Securities, FV-NI</a></td>
<td class="nump">2,877<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,627<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember', window );">Other Current Liabilities | Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement', window );">Derivative Liability, Subject to Master Netting Arrangement, after Offset</a></td>
<td class="nump">600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,309<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, Fair Value Disclosure</a></td>
<td class="nump">11,144<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,956<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 [Member] | Other Assets | US Treasury Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">8,267<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,329<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 [Member] | Other Assets | Corporate Bond Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 [Member] | Other Assets | 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>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent', window );">Equity Securities, FV-NI</a></td>
<td class="nump">2,877<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,627<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 [Member] | Other Current Liabilities | Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Subject to Master Netting Arrangement, before Offset</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, Fair Value Disclosure</a></td>
<td class="nump">19,103<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,643<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member] | Other Assets | US Treasury Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member] | Other Assets | Corporate Bond Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">19,103<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,643<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member] | Other Assets | 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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent', window );">Equity Securities, FV-NI</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member] | Other Current Liabilities | Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Subject to Master Netting Arrangement, before Offset</a></td>
<td class="nump">624<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,309<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember', window );">Master Netting Arrangement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember', window );">Master Netting Arrangement | Other Assets | US Treasury Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember', window );">Master Netting Arrangement | Other Assets | Corporate Bond Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DebtSecuritiesTradingAndAvailableForSale', window );">Debt Securities, Trading and Available-for-Sale</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember', window );">Master Netting Arrangement | Other Assets | 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>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent', window );">Equity Securities, FV-NI</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember', window );">Master Netting Arrangement | Other Current Liabilities | Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring Basis [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="Show.showAR( this, 'defref_us-gaap_DerivativeLiabilityFairValueGrossAsset', window );">Derivative Liability, Subject to Master Netting Arrangement, Asset Offset</a></td>
<td class="num">$ (24)<span></span>
</td>
<td class="text">&#160;<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_ogs_FairValueAssetsTransfersbetweenLevels">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of transfers of assets measured on a recurring basis between levels of the fair value hierarchy.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_FairValueAssetsTransfersbetweenLevels</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount of premiums recorded in other current assets on natural gas contracts held</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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_AssetsFairValueDisclosure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fair value portion of asset recognized for present right to economic benefit.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 100<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_DebtSecuritiesTradingAndAvailableForSale">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and 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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 320<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtSecuritiesTradingAndAvailableForSale</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-7A<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-22<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-21<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 20<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-20<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 15<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-15<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 4D<br> -Subparagraph (c)(2)<br> -SubTopic 20<br> -Topic 860<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4D<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</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_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Fair value, after effect of master netting arrangement, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative subject to master netting arrangement not elected or qualified to offset. Excludes derivative not subject to master netting arrangement or similar agreement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-7A<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 22<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-22<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-21<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 20<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-20<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 15<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-15<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-10<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DerivativeLiabilityFairValueGrossAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 7A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-7A<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-21<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 20<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483444/210-20-55-20<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 320<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 5C<br> -Subparagraph (SX 210.12-13C(Column F))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5C<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 946<br> -SubTopic 320<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 5B<br> -Subparagraph (SX 210.12-13B(Column E))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5B<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_DerivativeNonmonetaryNotionalAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Nominal number of units used to calculate payment on derivative.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1B<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 815<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (d)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 815<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 470<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 1I<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 505<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 18<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeNonmonetaryNotionalAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:decimalItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)(i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 45<br> -Paragraph 1A<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10<br><br>Reference 8: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 100<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 10: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 80<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 14<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480078/944-80-55-14<br><br>Reference 11: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 80<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 9<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480078/944-80-55-9<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(1)(b))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(1)(6))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 100<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems</td>
</tr>
<tr>
<td style="padding-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_LongTermDebtFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)(i)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -SubTopic 10<br> -Topic 825<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (c)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 12<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482881/825-10-55-12<br><br>Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 820<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=us-gaap_CommodityOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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_CommodityOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=us-gaap_SwapMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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_SwapMember</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_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember</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_USTreasurySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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>
</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_CorporateBondSecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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_CorporateBondSecuritiesMember</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=ogs_MasterNettingArrangementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( 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=ogs_MasterNettingArrangementMember</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>58
<FILENAME>R47.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>VARIABLE INTEREST ENTITES (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">6 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Jun. 30, 2026</div></th>
<th class="th"><div>Jun. 30, 2025</div></th>
<th class="th"><div>Dec. 31, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entity [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RestrictedCashAndCashEquivalents', window );">Restricted cash and cash equivalents</a></td>
<td class="nump">$ 22,711<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 22,711<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 23,107<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Accounts receivable, net</a></td>
<td class="nump">250,861<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">250,861<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">461,631<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Assets', window );">Assets</a></td>
<td class="nump">8,812,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,812,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,853,084<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="Show.showAR( this, 'defref_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds', window );">Current maturities of securitized utility tariff bonds, net of issuance costs</a></td>
<td class="nump">31,404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,566<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">110,952<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">110,952<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">222,102<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Paid-in capital</a></td>
<td class="nump">2,539,068<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,539,068<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,530,137<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Liabilities and Equity</a></td>
<td class="nump">8,812,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,812,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,853,084<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpense', window );">Utilities Operating Expense</a></td>
<td class="nump">238,681<span></span>
</td>
<td class="nump">$ 233,944<span></span>
</td>
<td class="nump">487,224<span></span>
</td>
<td class="nump">$ 476,173<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=ogs_KansasGasServiceSecuritizationILLCMember', window );">Kansas Gas Service Securitization I LLC</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entity [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RestrictedCashAndCashEquivalents', window );">Restricted cash and cash equivalents</a></td>
<td class="nump">22,711<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">22,711<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">23,107<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Accounts receivable, net</a></td>
<td class="nump">4,317<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,317<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,463<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsNet', window );">Finite-Lived Intangible Assets, Net</a></td>
<td class="nump">218,991<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">218,991<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">233,786<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Assets', window );">Assets</a></td>
<td class="nump">246,019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">246,019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">261,356<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="Show.showAR( this, 'defref_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds', window );">Current maturities of securitized utility tariff bonds, net of issuance costs</a></td>
<td class="nump">31,404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30,566<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">217<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">217<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">136<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InterestPayableCurrentAndNoncurrent', window );">Interest Payable</a></td>
<td class="nump">5,543<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,543<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,894<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="Show.showAR( this, 'defref_ogs_SecuritizedUtilityTariffBonds', window );">Securitized utility tariff bonds</a></td>
<td class="nump">207,115<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">207,115<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">223,020<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Paid-in capital</a></td>
<td class="nump">1,680<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,680<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,680<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetainedEarningsUnappropriated', window );">Retained Earnings, Unappropriated</a></td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Liabilities and Equity</a></td>
<td class="nump">246,019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">246,019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 261,356<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenues</a></td>
<td class="nump">10,876<span></span>
</td>
<td class="nump">13,205<span></span>
</td>
<td class="nump">21,853<span></span>
</td>
<td class="nump">24,842<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpense', window );">Utilities Operating Expense</a></td>
<td class="num">(110)<span></span>
</td>
<td class="num">(111)<span></span>
</td>
<td class="num">(221)<span></span>
</td>
<td class="num">(221)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AmortizationOfIntangibleAssets', window );">Depreciation and amortization</a></td>
<td class="num">(7,368)<span></span>
</td>
<td class="num">(9,292)<span></span>
</td>
<td class="num">(14,795)<span></span>
</td>
<td class="num">(16,986)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InterestIncomeOther', window );">Interest Income</a></td>
<td class="nump">109<span></span>
</td>
<td class="nump">112<span></span>
</td>
<td class="nump">246<span></span>
</td>
<td class="nump">260<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InterestExpenseOther', window );">Interest Expense</a></td>
<td class="num">(3,471)<span></span>
</td>
<td class="num">(3,879)<span></span>
</td>
<td class="num">(7,011)<span></span>
</td>
<td class="num">(7,823)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax', window );">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</a></td>
<td class="nump">36<span></span>
</td>
<td class="nump">35<span></span>
</td>
<td class="nump">72<span></span>
</td>
<td class="nump">72<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="Show.showAR( this, 'defref_ogs_VariableInterestEntityMeasureOfActivityIncomeTax', window );">Variable Interest Entity, Measure of Activity, Income Tax</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(6)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ogs_VariableInterestEntityMeasureOfActivityNetIncome', window );">Variable Interest Entity, Measure of Activity, Net Income</a></td>
<td class="nump">$ 36<span></span>
</td>
<td class="nump">$ 29<span></span>
</td>
<td class="nump">$ 72<span></span>
</td>
<td class="nump">$ 72<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_ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Current maturities of securitized utility tariff bonds</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_CurrentMaturitiesOfSecuritizedUtilityTariffBonds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_SecuritizedUtilityTariffBonds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Securitized utility tariff bonds</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_SecuritizedUtilityTariffBonds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_ogs_VariableInterestEntityMeasureOfActivityIncomeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entity, Measure of Activity, Income Tax</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_VariableInterestEntityMeasureOfActivityIncomeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<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>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entity, Measure of Activity, Net Income</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ogs_VariableInterestEntityMeasureOfActivityNetIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ogs_</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_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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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_AdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 946<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(18))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapital</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfIntangibleAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfIntangibleAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of asset recognized for present right to economic benefit.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_FiniteLivedIntangibleAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 350<br> -SubTopic 30<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 926<br> -SubTopic 20<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 5<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_InterestExpenseOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpenseOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_InterestIncomeOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of interest income earned from interest bearing assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 220<br> -SubTopic 40<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 21<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestIncomeOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_InterestPayableCurrentAndNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of interest payable on debt, including, but not limited to, trade payables.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(15)(5))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(15)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPayableCurrentAndNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 825<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 605<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 14<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477548/944-605-55-14<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 944<br> -SubTopic 605<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 11<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147477548/944-605-55-11<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Topic 323<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3<br><br>Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_ReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Topic 852<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 55<br> -Paragraph 10<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RestrictedCashAndCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(2))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 230<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 50<br> -Paragraph 8<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 942<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(1)(a))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashAndCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RetainedEarningsUnappropriated">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated undistributed earnings (deficit) available for dividend distribution. Includes, but is not limited to, retained earnings not appropriated for specific business purpose.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S50<br> -Paragraph 1<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 235<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(e)(1))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Topic 210<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3)(ii))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 944<br> -SubTopic 210<br> -Name Accounting Standards Codification<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4)(ii))<br> -Publisher FASB<br> -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsUnappropriated</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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>
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    <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="c-1" id="f-426">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Basis of Presentation&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - Our accompanying unaudited consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC. These statements also have been prepared in accordance with GAAP and reflect all adjustments that, in our opinion, are necessary for a fair statement of the results for the interim periods presented. All such adjustments are of a normal recurring nature. The 2025 year-end consolidated balance sheet data was derived from audited consolidated financial statements but does not include all disclosures required by GAAP. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and footnotes in our Annual Report. Our significant accounting policies are described in Note 1 of our Notes to Consolidated Financial Statements in our Annual Report. The preparation of these financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts and disclosures in the financial statements. Although management believes these estimates are reasonable, actual results could differ materially from these estimates. Due to the seasonal nature of our business, the results of operations for the six months ended June&#160;30, 2026, are not necessarily indicative of the results that may be expected for a 12-month period.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Organization and Nature of Operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;-&#160;We provide natural gas distribution services to approximately 2.3&#160;million customers in Oklahoma, Kansas, and Texas through our three divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. We primarily serve residential, commercial, and transportation customers in all three states. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Segments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We operate in one reportable business segment: regulated public utilities that deliver natural gas primarily to residential, commercial, and transportation customers. Our CODM assesses our reportable segment&#x2019;s financial performance by net income and other measures. We define reportable business segments as components of an organization for which discrete financial information is available and operating results are evaluated on a regular basis by the CODM in order to assess performance and allocate resources. Our CODM is our Chief Executive Officer. Characteristics relied upon in making the determination of one reportable segment for our organization include the similar nature of services we provide, the functional alignment of our organizational structure, and the reports that are regularly reviewed by the CODM for the purpose of assessing performance and allocating resources. Our management is functionally aligned and centralized, with performance evaluated based upon results of the entire distribution business. Capital allocation decisions are driven by asset integrity management, operating efficiency, growth opportunities, and government-requested pipeline relocations, not geographic location or regulatory jurisdiction.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Our accounting policies are the same as those described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. For the three and six months ended June 30, 2026, and 2025, we had no single external customer from which we received 10 percent or more of our gross revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Property, Plant and Equipment and Asset Removal Costs -&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Accounts payable for construction work in progress and asset removal costs decreased by approximately $2.8&#160;million and $9.1&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively. Invoices for capital expenditures or asset removal costs are included in our consolidated statements of cash flows when paid.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Accounts Receivable, Net&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - Accounts receivable represent valid claims against nonaffiliated customers for natural gas sold or services rendered. We assess the creditworthiness of our customers. Those customers who do not meet minimum standards may be required to provide security, including deposits and other forms of collateral, when appropriate and allowed by our tariffs. With approximately 2.3&#160;million customers across three states, we are not exposed materially to a concentration of credit risk. We maintain an allowance for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends, consideration of the current environment, and other information. We recover natural gas costs related to accounts written off when they are deemed uncollectible through the purchased-gas cost adjustment mechanisms in each of our jurisdictions. At June&#160;30, 2026 and December 31, 2025, our allowance for doubtful accounts was $13.0 million and $12.7&#160;million, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Recently Issued Accounting Standards Update&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;- In September 2025, the FASB issued ASU-2025-06, "Intangibles&#x2014;Goodwill and Other&#x2014;Internal-Use Software (Subtopic 350-40)." The amendments in this standard address requests from stakeholders to better align the guidance for capitalization of internal-use software costs with how software is developed. This ASU removes all references to the software developmental stages so that the guidance is neutral to different software development methods. The amendments in this update are effective for all entities for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In November 2024, the FASB issued ASU-2024-03, &#x201c;Disaggregation of Income Statement Expenses (Subtopic 220-40).&#x201d; The amendments in this standard address requests from investors for more detailed information about the types of expenses commonly presented in income statements and will require a footnote disclosure to disaggregate, in a tabular presentation, each relevant expense category on the face of the income statement that includes any of the following natural expenses: purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depreciation, depletion, and amortization recognized as part of oil- and gas-producing activities or other types of depletion expenses. The amendments in this update are effective for annual periods beginning after December 15, 2026 and interim periods within annual periods beginning after December 15, 2027. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.&lt;/span&gt;&lt;/div&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
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    <us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock contextRef="c-1" id="f-428">&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Organization and Nature of Operations&lt;/span&gt;&#160;-&#160;We provide natural gas distribution services to approximately 2.3&#160;million customers in Oklahoma, Kansas, and Texas through our three divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. We primarily serve residential, commercial, and transportation customers in all three states.</us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock>
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    <us-gaap:SegmentReportingPolicyPolicyTextBlock contextRef="c-1" id="f-430">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Segments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We operate in one reportable business segment: regulated public utilities that deliver natural gas primarily to residential, commercial, and transportation customers. Our CODM assesses our reportable segment&#x2019;s financial performance by net income and other measures. We define reportable business segments as components of an organization for which discrete financial information is available and operating results are evaluated on a regular basis by the CODM in order to assess performance and allocate resources. Our CODM is our Chief Executive Officer. Characteristics relied upon in making the determination of one reportable segment for our organization include the similar nature of services we provide, the functional alignment of our organizational structure, and the reports that are regularly reviewed by the CODM for the purpose of assessing performance and allocating resources. Our management is functionally aligned and centralized, with performance evaluated based upon results of the entire distribution business. Capital allocation decisions are driven by asset integrity management, operating efficiency, growth opportunities, and government-requested pipeline relocations, not geographic location or regulatory jurisdiction.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Our accounting policies are the same as those described in Note 1 of the Notes to Consolidated Financial Statements in our Annual Report. For the three and six months ended June 30, 2026, and 2025, we had no single external customer from which we received 10 percent or more of our gross revenues.&lt;/span&gt;&lt;/div&gt;</us-gaap:SegmentReportingPolicyPolicyTextBlock>
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      id="f-439"
      unitRef="customers">2300000</ogs:NumberOfNaturalGasDistributionServicesCustomers>
    <us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables contextRef="c-6" decimals="-3" id="f-440" unitRef="usd">13000000.0</us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables>
    <us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables contextRef="c-7" decimals="-3" id="f-441" unitRef="usd">12700000</us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock contextRef="c-1" id="f-442">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Recently Issued Accounting Standards Update&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;- In September 2025, the FASB issued ASU-2025-06, "Intangibles&#x2014;Goodwill and Other&#x2014;Internal-Use Software (Subtopic 350-40)." The amendments in this standard address requests from stakeholders to better align the guidance for capitalization of internal-use software costs with how software is developed. This ASU removes all references to the software developmental stages so that the guidance is neutral to different software development methods. The amendments in this update are effective for all entities for annual reporting periods beginning after December 15, 2027, and interim reporting periods within those annual reporting periods. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In November 2024, the FASB issued ASU-2024-03, &#x201c;Disaggregation of Income Statement Expenses (Subtopic 220-40).&#x201d; The amendments in this standard address requests from investors for more detailed information about the types of expenses commonly presented in income statements and will require a footnote disclosure to disaggregate, in a tabular presentation, each relevant expense category on the face of the income statement that includes any of the following natural expenses: purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depreciation, depletion, and amortization recognized as part of oil- and gas-producing activities or other types of depletion expenses. The amendments in this update are effective for annual periods beginning after December 15, 2026 and interim periods within annual periods beginning after December 15, 2027. Early adoption is permitted. We are currently assessing the timing and impacts of adopting this standard.&lt;/span&gt;&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:RevenueFromContractWithCustomerTextBlock contextRef="c-1" id="f-443">REVENUE&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth our revenues disaggregated by source for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.245%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas sales to customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;349,530&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;364,187&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,107,898&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,239,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,660&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;70,463&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74,465&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitization customer charges (Note 14)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,876&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,853&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,842&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Miscellaneous revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;6,380&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;12,955&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,317&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;397,446&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;414,802&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 7.75pt 0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,213,169&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,352,059&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues - natural gas sales related&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,452&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,553&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,254&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,741&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,386&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,927&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;14,193&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,939&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,181&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,872&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;411,639&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;423,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,243,350&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,358,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;Accrued unbilled natural gas sales revenues at June&#160;30, 2026 and December&#160;31, 2025, were $89.5 million and $216.4&#160;million, respectively, and are included in accounts receivable on our consolidated balance sheets.</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock contextRef="c-1" id="f-444">&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth our revenues disaggregated by source for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.245%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas sales to customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;349,530&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;364,187&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,107,898&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,239,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,660&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;70,463&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74,465&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitization customer charges (Note 14)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,876&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,853&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,842&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Miscellaneous revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;6,380&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;12,955&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,317&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;397,446&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;414,802&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 7.75pt 0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,213,169&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,352,059&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues - natural gas sales related&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,452&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,553&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,254&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,741&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,386&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,927&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;14,193&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,939&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,181&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,872&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;411,639&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;423,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,243,350&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,358,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-54" decimals="-3" id="f-445" unitRef="usd">349530000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-55" decimals="-3" id="f-446" unitRef="usd">364187000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-56" decimals="-3" id="f-447" unitRef="usd">1107898000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-57" decimals="-3" id="f-448" unitRef="usd">1239435000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-58" decimals="-3" id="f-449" unitRef="usd">30660000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-59" decimals="-3" id="f-450" unitRef="usd">30717000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-60" decimals="-3" id="f-451" unitRef="usd">70463000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-61" decimals="-3" id="f-452" unitRef="usd">74465000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-62" decimals="-3" id="f-453" unitRef="usd">10876000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-63" decimals="-3" id="f-454" unitRef="usd">13205000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-64" decimals="-3" id="f-455" unitRef="usd">21853000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-65" decimals="-3" id="f-456" unitRef="usd">24842000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-66" decimals="-3" id="f-457" unitRef="usd">6380000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-67" decimals="-3" id="f-458" unitRef="usd">6693000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-68" decimals="-3" id="f-459" unitRef="usd">12955000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-69" decimals="-3" id="f-460" unitRef="usd">13317000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-3" decimals="-3" id="f-461" unitRef="usd">397446000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-4" decimals="-3" id="f-462" unitRef="usd">414802000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-1" decimals="-3" id="f-463" unitRef="usd">1213169000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueGas contextRef="c-5" decimals="-3" id="f-464" unitRef="usd">1352059000</us-gaap:RegulatedOperatingRevenueGas>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-70" decimals="-3" id="f-465" unitRef="usd">9452000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-71" decimals="-3" id="f-466" unitRef="usd">5553000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-72" decimals="-3" id="f-467" unitRef="usd">21254000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-73" decimals="-3" id="f-468" unitRef="usd">729000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-74" decimals="-3" id="f-469" unitRef="usd">4741000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-75" decimals="-3" id="f-470" unitRef="usd">3386000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-76" decimals="-3" id="f-471" unitRef="usd">8927000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-77" decimals="-3" id="f-472" unitRef="usd">6143000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-3" decimals="-3" id="f-473" unitRef="usd">14193000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-4" decimals="-3" id="f-474" unitRef="usd">8939000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-1" decimals="-3" id="f-475" unitRef="usd">30181000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenueOther contextRef="c-5" decimals="-3" id="f-476" unitRef="usd">6872000</us-gaap:RegulatedOperatingRevenueOther>
    <us-gaap:RegulatedOperatingRevenue contextRef="c-3" decimals="-3" id="f-477" unitRef="usd">411639000</us-gaap:RegulatedOperatingRevenue>
    <us-gaap:RegulatedOperatingRevenue contextRef="c-4" decimals="-3" id="f-478" unitRef="usd">423741000</us-gaap:RegulatedOperatingRevenue>
    <us-gaap:RegulatedOperatingRevenue contextRef="c-1" decimals="-3" id="f-479" unitRef="usd">1243350000</us-gaap:RegulatedOperatingRevenue>
    <us-gaap:RegulatedOperatingRevenue contextRef="c-5" decimals="-3" id="f-480" unitRef="usd">1358931000</us-gaap:RegulatedOperatingRevenue>
    <us-gaap:UnbilledReceivablesCurrent contextRef="c-6" decimals="-5" id="f-481" unitRef="usd">89500000</us-gaap:UnbilledReceivablesCurrent>
    <us-gaap:UnbilledReceivablesCurrent contextRef="c-7" decimals="-3" id="f-482" unitRef="usd">216400000</us-gaap:UnbilledReceivablesCurrent>
    <us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock contextRef="c-1" id="f-483">REGULATORY ASSETS AND LIABILITIES&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The tables below present a summary of regulatory assets and liabilities, net of amortization, for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:60.157%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.449%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.769%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Under-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,830&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,830&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and postemployment benefit costs, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,187&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;216,408&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;226,595&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reacquired debt costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;723&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;904&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,627&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MGP remediation costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;29,342&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,342&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;WNA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;32,835&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;32,835&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer credit deferrals&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;12,385&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,075&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;13,460&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;6,407&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,975&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,382&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;83,367&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250,704&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;334,071&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax rate changes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(428,331)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(428,331)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Over-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(22,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(22,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ad-valorem tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,060)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,060)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(258)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,804)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(5,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(24,702)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(433,135)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(457,837)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net regulatory assets and liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;58,665&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(182,431)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(123,766)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:58.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.769%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31, 2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Under-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and postemployment benefit costs, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,929&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;221,809&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;232,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reacquired debt costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;723&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,989&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MGP remediation costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;WNA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer credit deferrals&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,032&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,954&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,986&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49,504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;256,225&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;305,729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax rate changes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(444,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(444,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Over-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(56,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(56,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ad-valorem tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(236)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,634)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,870)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(57,277)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(451,620)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(508,897)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net regulatory assets and liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,773)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(195,395)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(203,168)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Regulatory assets in our consolidated balance sheets, as authorized by various regulatory authorities, are probable of recovery. Base rates and certain riders are designed to provide a recovery of costs during the period such rates are in effect, but do not generally provide for a return on investment for amounts we have deferred as regulatory assets. All of our regulatory assets are subject to review by the respective regulatory authorities during future regulatory proceedings.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Other regulatory assets and liabilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - Purchased-gas costs represent the natural gas costs that have been over- or under-recovered from customers through the purchased-gas cost adjustment mechanisms, and includes natural gas utilized in our operations and premiums paid and any cash settlements received from our purchased natural gas call options or swap agreements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The OCC, KCC, and regulatory authorities in Texas have approved the recovery of pension costs and other postemployment benefits costs through rates for Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, respectively. The costs recovered through rates are based on the net periodic benefit cost for defined benefit pension and other postemployment costs. Differences, if any, between the net periodic benefit cost (credit), net of deferrals, and the amount recovered through rates are reflected in earnings. We historically have recovered defined benefit pension and other postemployment benefit costs through &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;rates. We believe it is probable that regulators will continue to include the net periodic pension and other postemployment benefit costs in our cost of service.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We amortize reacquired debt costs in accordance with the accounting guidelines prescribed by the OCC and the KCC.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;See Note 12 for additional information regarding our regulatory assets for MGP remediation costs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Ad-valorem tax represents the difference in Kansas Gas Service&#x2019;s taxes incurred each year above or below the amount approved in base rates. This difference is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#x2019; bills to refund the over-collected revenue or bill the under-collected revenue over the subsequent 12 months.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Weather normalization represents revenue over- or under-recovered through the WNA rider in Kansas. This amount is deferred as a regulatory asset or liability for a 12-month period. Kansas Gas Service then applies an adjustment to customers&#x2019; bills for 12 months to refund the over-collected revenue or bill the under-collected revenue.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The customer credit deferrals and the noncurrent regulatory liability for income tax rate changes represent deferral of the effects of enacted federal and state income tax rate changes on our ADIT and the effects of these changes on our rates.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:115%"&gt;The amortization of regulatory assets and liabilities resulted in recovery (return) through rates of approximately  $(0.9)&#160;million and $1.4 million for the three months ended June&#160;30, 2026 and 2025, respectively, and approximately $(0.9)&#160;million and $7.4&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock>
    <ogs:SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock contextRef="c-1" id="f-484">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The tables below present a summary of regulatory assets and liabilities, net of amortization, for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:60.157%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.449%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.769%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Under-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,830&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,830&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and postemployment benefit costs, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,187&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;216,408&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;226,595&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reacquired debt costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;723&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;904&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,627&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MGP remediation costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;29,342&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,342&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;WNA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;32,835&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;32,835&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer credit deferrals&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;12,385&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,075&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;13,460&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;6,407&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,975&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,382&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;83,367&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250,704&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;334,071&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax rate changes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(428,331)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(428,331)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Over-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(22,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(22,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ad-valorem tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,060)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,060)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(258)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,804)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(5,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(24,702)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(433,135)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(457,837)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net regulatory assets and liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;58,665&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(182,431)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(123,766)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:58.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.769%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31, 2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="15" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Under-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and postemployment benefit costs, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,929&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;221,809&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;232,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reacquired debt costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;723&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,989&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MGP remediation costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;WNA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer credit deferrals&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,032&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,954&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,986&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49,504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;256,225&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;305,729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax rate changes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(444,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(444,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Over-recovered purchased-gas costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(56,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(56,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ad-valorem tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(236)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,634)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,870)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(57,277)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(451,620)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(508,897)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net regulatory assets and liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,773)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(195,395)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(203,168)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</ogs:SCHEDULEOFREGULATEDASSETSANDLIABILITIESTableTextBlock>
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style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.715%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 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',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Interest Rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Senior Notes due:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;April 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5.100%&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;550,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;550,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;May 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.000%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;300,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.250%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;300,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;February 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.658%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;600,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;November 2048&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.500%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;400,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,150,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,150,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unsecured Term Loan (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.480%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;250,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;KGSS-I Securitized Utility Tariff Bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5.486%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;242,496&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;257,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unamortized discounts, net of premiums, on long-term debt (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(3,939)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,830)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Debt issuance costs (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(17,636)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(18,955)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8.000%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,204&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,622,125&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,636,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: current maturities of KGSS-I securitized utility tariff bonds, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;31,404&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: current maturities of other long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;249,918&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;249,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent portion of long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,340,803&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,356,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%"&gt;(a) Bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing. The interest rate resets at months six and twelve, each based on the prevailing 6-month Term SOFR and the 1-month Term SOFR, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) Includes issuance costs and discounts for the KGSS-I Securitized Utility Tariff Bonds of $4.0&#160;million and $4.3&#160;million, at June&#160;30, 2026 and December&#160;31, 2025, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Senior Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - The indenture governing our Senior Notes includes an event of default upon the acceleration of other indebtedness of $100&#160;million or more. Such events of default would entitle the trustee or the holders of 25 percent in aggregate principal amount of the outstanding Senior Notes to declare those Senior Notes immediately due and payable in full.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depending on the series, we may redeem our Senior Notes at par, plus accrued and unpaid interest to the redemption date, starting one month, three months, or six months before their maturity dates. Prior to these dates, we may redeem these Senior Notes, in whole or in part, at a redemption price equal to the principal amount, plus accrued and unpaid interest and a make-whole premium. The redemption price will never be less than 100 percent of the principal amount of the respective Senior Note plus accrued and unpaid interest to the redemption date. Senior Notes are senior unsecured obligations, ranking equally in right of payment with all of our existing and future unsecured senior indebtedness.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Unsecured Term Loan&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - In August 2025, we entered into a 13-month unsecured term loan agreement totaling $250&#160;million. The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026. Interest is payable quarterly, and the loan includes customary covenants and default provisions. Proceeds of the term loan will be available for working capital, capital expenditures, acquisitions, mergers, and other general corporate purposes.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;On February 11, 2026, the variable interest rate on our unsecured term loan reset for the new six&#x2011;month interest period to 6&#x2011;month Term SOFR of 3.58 percent plus a 90 bps spread, resulting in a 4.48 percent all&#x2011;in interest rate, a decrease from the prior rate of 4.96 percent.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Securitized Utility Tariff Bonds&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - The KGSS-I Securitized Utility Tariff Bonds are governed by an indenture between KGSS-I and the indenture trustee. The indenture contains certain covenants that restrict KGSS-I&#x2019;s ability to sell, transfer, convey, exchange, or otherwise dispose of its assets. KGSS-I&#x2019;s assets cannot be used to settle ONE Gas&#x2019; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. See Note 14 for additional discussion of the Kansas securitization transaction.&lt;/span&gt;&lt;/div&gt;</us-gaap:LongTermDebtTextBlock>
    <us-gaap:ScheduleOfDebtInstrumentsTextBlock contextRef="c-1" id="f-590">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The table below presents a summary of our long-term debt outstanding for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:52.262%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.911%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.712%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:15.715%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 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',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Interest Rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands of dollars&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Senior Notes due:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;April 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5.100%&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;550,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;550,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;May 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.000%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;300,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.250%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;300,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;February 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.658%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;600,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;November 2048&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.500%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;400,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,150,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,150,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unsecured Term Loan (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4.480%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;250,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;KGSS-I Securitized Utility Tariff Bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5.486%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;242,496&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;257,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unamortized discounts, net of premiums, on long-term debt (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(3,939)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,830)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Debt issuance costs (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(17,636)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(18,955)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8.000%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,204&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,622,125&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,636,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: current maturities of KGSS-I securitized utility tariff bonds, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;31,404&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: current maturities of other long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;249,918&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;249,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent portion of long-term debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,340,803&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,356,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:112%"&gt;(a) Bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing. The interest rate resets at months six and twelve, each based on the prevailing 6-month Term SOFR and the 1-month Term SOFR, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) Includes issuance costs and discounts for the KGSS-I Securitized Utility Tariff Bonds of $4.0&#160;million and $4.3&#160;million, at June&#160;30, 2026 and December&#160;31, 2025, respectively.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-100"
      decimals="INF"
      id="f-591"
      unitRef="number">0.05100</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-100" decimals="-3" id="f-592" unitRef="usd">550000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-101" decimals="-3" id="f-593" unitRef="usd">550000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-102"
      decimals="INF"
      id="f-594"
      unitRef="number">0.02000</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-102" decimals="-3" id="f-595" unitRef="usd">300000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-103" decimals="-3" id="f-596" unitRef="usd">300000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-104"
      decimals="INF"
      id="f-597"
      unitRef="number">0.04250</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-104" decimals="-3" id="f-598" unitRef="usd">300000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-105" decimals="-3" id="f-599" unitRef="usd">300000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-106"
      decimals="INF"
      id="f-600"
      unitRef="number">0.04658</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-106" decimals="-3" id="f-601" unitRef="usd">600000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-107" decimals="-3" id="f-602" unitRef="usd">600000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-108"
      decimals="INF"
      id="f-603"
      unitRef="number">0.04500</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-108" decimals="-3" id="f-604" unitRef="usd">400000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-109" decimals="-3" id="f-605" unitRef="usd">400000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-110" decimals="-3" id="f-606" unitRef="usd">2150000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-111" decimals="-3" id="f-607" unitRef="usd">2150000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-112"
      decimals="INF"
      id="f-608"
      unitRef="number">0.04480</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-112" decimals="-3" id="f-609" unitRef="usd">250000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-113" decimals="-3" id="f-610" unitRef="usd">250000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-114"
      decimals="INF"
      id="f-611"
      unitRef="number">0.05486</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-114" decimals="-3" id="f-612" unitRef="usd">242496000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-115" decimals="-3" id="f-613" unitRef="usd">257852000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentUnamortizedDiscount contextRef="c-6" decimals="-3" id="f-614" unitRef="usd">3939000</us-gaap:DebtInstrumentUnamortizedDiscount>
    <us-gaap:DebtInstrumentUnamortizedDiscount contextRef="c-7" decimals="-3" id="f-615" unitRef="usd">3830000</us-gaap:DebtInstrumentUnamortizedDiscount>
    <us-gaap:DeferredFinanceCostsNet contextRef="c-6" decimals="-3" id="f-616" unitRef="usd">17636000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet contextRef="c-7" decimals="-3" id="f-617" unitRef="usd">18955000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-116"
      decimals="INF"
      id="f-618"
      unitRef="number">0.08000</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-116" decimals="-3" id="f-619" unitRef="usd">1204000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-117" decimals="-3" id="f-620" unitRef="usd">1211000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LongTermDebt contextRef="c-6" decimals="-3" id="f-621" unitRef="usd">2622125000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt contextRef="c-7" decimals="-3" id="f-622" unitRef="usd">2636278000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebtCurrent contextRef="c-114" decimals="-3" id="f-623" unitRef="usd">31404000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtCurrent contextRef="c-115" decimals="-3" id="f-624" unitRef="usd">30566000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtCurrent contextRef="c-6" decimals="-3" id="f-625" unitRef="usd">249918000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtCurrent contextRef="c-7" decimals="-3" id="f-626" unitRef="usd">249674000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtNoncurrent contextRef="c-6" decimals="-3" id="f-627" unitRef="usd">2340803000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:LongTermDebtNoncurrent contextRef="c-7" decimals="-3" id="f-628" unitRef="usd">2356038000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:DeferredFinanceCostsNet contextRef="c-118" decimals="-3" id="f-629" unitRef="usd">-4000000.0</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet contextRef="c-119" decimals="-3" id="f-630" unitRef="usd">-4300000</us-gaap:DeferredFinanceCostsNet>
    <ogs:DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold contextRef="c-6" decimals="-3" id="f-631" unitRef="usd">100000000</ogs:DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold>
    <ogs:DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders contextRef="c-6" decimals="INF" id="f-632" unitRef="number">0.25</ogs:DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders>
    <us-gaap:DebtInstrumentRedemptionPricePercentage contextRef="c-1" decimals="INF" id="f-633" unitRef="number">1</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DebtInstrumentCarryingAmount contextRef="c-112" decimals="-3" id="f-634" unitRef="usd">250000000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:DebtInstrumentInterestRateTerms contextRef="c-120" id="f-635">The loan bears interest at a variable rate based on Term SOFR, initially set using the 6-month Term SOFR at closing, plus a 90 bps spread as specified in the agreement. The interest rate resets automatically at months six and twelve, each based on the prevailing 6-month Term SOFR plus a spread of 90 bps, and 1-month Term SOFR plus a spread of 90 bps, respectively, until the term loan matures in September 2026.</us-gaap:DebtInstrumentInterestRateTerms>
    <ogs:DebtInstrumentReferenceRate
      contextRef="c-121"
      decimals="INF"
      id="f-636"
      unitRef="number">0.0358</ogs:DebtInstrumentReferenceRate>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-121"
      decimals="INF"
      id="f-637"
      unitRef="number">0.0448</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="c-122"
      decimals="INF"
      id="f-638"
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    <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="c-1" id="f-639">EQUITY&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;At-the-Market Equity Program &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;- In February 2026, we entered into an at-the-market equity distribution agreement under which we may issue and sell shares of our common stock with an aggregate offering price up to $225&#160;million. Sales of common stock are made by means of ordinary brokers&#x2019; transactions on the NYSE and the NYSE Texas, in block transactions or as otherwise agreed to between us and the sales agent. We are under no obligation to offer and sell common stock under the program. At June&#160;30, 2026, we had $204.4&#160;million of equity available for issuance under the program. Had we fully settled all 506,607 shares sold under our forward sale agreements, as of June&#160;30, 2026, we would have generated net proceeds of approximately $41.5&#160;million.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes our outstanding forward sale agreement at June&#160;30, 2026:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:31.648%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:18.347%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Maturity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Original Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Remaining Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Forward Price&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Net Proceeds Available&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Shares)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Shares)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Per share)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;At-the-market equity program&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;237,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;237,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;86.09&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;20,430&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity forward agreements&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,500,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;269,300&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;78.21&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,062&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total forward sale agreements&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,737,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;506,607&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;81.90&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;41,492&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Dividends Declared &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;- In August 2026, we declared a dividend of $0.68 per share ($2.72 per share on an annualized basis) for shareholders of record as of August 17, 2026, payable on August 31, 2026.&lt;/span&gt;&lt;/div&gt;</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
    <ogs:AttheMarketEquityProgramAggregateOfferingPriceLimit contextRef="c-123" decimals="-3" id="f-640" unitRef="usd">225000000</ogs:AttheMarketEquityProgramAggregateOfferingPriceLimit>
    <ogs:EquityAvailableForIssuance contextRef="c-123" decimals="-3" id="f-641" unitRef="usd">204400000</ogs:EquityAvailableForIssuance>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue contextRef="c-6" decimals="0" id="f-642" unitRef="shares">506607</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue contextRef="c-6" decimals="-5" id="f-643" unitRef="usd">41500000</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue>
    <us-gaap:ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock contextRef="c-1" id="f-644">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes our outstanding forward sale agreement at June&#160;30, 2026:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:31.648%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:14.835%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:18.347%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Maturity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Original Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Remaining Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Forward Price&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Net Proceeds Available&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Shares)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Shares)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Per share)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;At-the-market equity program&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;237,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;237,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;86.09&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;20,430&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity forward agreements&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,500,000&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;269,300&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;78.21&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,062&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total forward sale agreements&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,737,307&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;506,607&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;81.90&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;41,492&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfForwardContractsIndexedToIssuersEquityTextBlock>
    <ogs:ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares
      contextRef="c-124"
      decimals="INF"
      id="f-645"
      unitRef="shares">237307</ogs:ForwardContractIndexedToAtTheMarketEquitySettlementOriginalNumberOfShares>
    <ogs:ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares contextRef="c-124" decimals="0" id="f-646" unitRef="shares">237307</ogs:ForwardContractIndexedToAtTheMarketEquitySettlementNumberOfShares>
    <ogs:ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare
      contextRef="c-125"
      decimals="2"
      id="f-647"
      unitRef="usdPerShare">86.09</ogs:ForwardContractIndexedToIssuersAtTheMarketEquityForwardRatePerShare>
    <ogs:ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount contextRef="c-124" decimals="-3" id="f-648" unitRef="usd">20430000</ogs:ForwardContractIndexedToAtTheMarketEquitySettlementCashAmount>
    <ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares contextRef="c-126" decimals="0" id="f-649" unitRef="shares">2500000</ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue contextRef="c-126" decimals="0" id="f-650" unitRef="shares">269300</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue>
    <us-gaap:ForwardContractIndexedToIssuersEquityForwardRate
      contextRef="c-127"
      decimals="2"
      id="f-651"
      unitRef="usdPerShare">78.21</us-gaap:ForwardContractIndexedToIssuersEquityForwardRate>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue contextRef="c-126" decimals="-3" id="f-652" unitRef="usd">21062000</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue>
    <ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares contextRef="c-6" decimals="0" id="f-653" unitRef="shares">2737307</ogs:ForwardContractIndexedToEquitySettlementOriginalNumberOfShares>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue contextRef="c-6" decimals="0" id="f-654" unitRef="shares">506607</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue>
    <us-gaap:ForwardContractIndexedToIssuersEquityForwardRate
      contextRef="c-1"
      decimals="INF"
      id="f-655"
      unitRef="usdPerShare">81.90</us-gaap:ForwardContractIndexedToIssuersEquityForwardRate>
    <us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue contextRef="c-6" decimals="-3" id="f-656" unitRef="usd">41492000</us-gaap:ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue>
    <us-gaap:CommonStockDividendsPerShareDeclared
      contextRef="c-128"
      decimals="2"
      id="f-657"
      unitRef="usdPerShare">0.68</us-gaap:CommonStockDividendsPerShareDeclared>
    <ogs:CommonStockDividendsDeclaredAnnualizedBasis
      contextRef="c-129"
      decimals="2"
      id="f-658"
      unitRef="usdPerShare">2.72</ogs:CommonStockDividendsDeclaredAnnualizedBasis>
    <us-gaap:DividendsPayableDateOfRecordDayMonthAndYear contextRef="c-130" id="f-659">2026-08-17</us-gaap:DividendsPayableDateOfRecordDayMonthAndYear>
    <us-gaap:DividendPayableDateToBePaidDayMonthAndYear contextRef="c-131" id="f-660">2026-08-31</us-gaap:DividendPayableDateToBePaidDayMonthAndYear>
    <us-gaap:ComprehensiveIncomeNoteTextBlock contextRef="c-1" id="f-661">ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth the effect of reclassifications from accumulated other comprehensive income (loss) in our consolidated statements of income for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:44.075%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:7.525%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:7.525%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:6.794%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:6.794%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:19.957%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Affected Line Item in the Consolidated Statements of Income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Details About Accumulated Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Comprehensive Income (Loss) Components&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;padding-left:4.5pt;text-indent:-4.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and other postemployment benefit plan obligations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net gain (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,212)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,834)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8,424)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,668)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of unrecognized prior service credit (cost)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(93)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(93)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,305)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,927)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8,610)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,854)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory adjustments (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,306&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,928&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,611&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,855&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Available-for-sale securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;35&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassifications before tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income before income taxes&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Tax effect of reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax expense&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net reclassifications for the period&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;28&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) These components of accumulated other comprehensive income (loss) are included in the computation of net periodic benefit cost (credit). See Note 9 for additional detail on our net periodic benefit cost (credit).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) Regulatory adjustments represent pension and other postemployment benefit credits or costs expected to be recovered through rates and are deferred as part of our regulatory assets. See Note 3 for additional disclosures of regulatory assets and liabilities.&lt;/span&gt;&lt;/div&gt;</us-gaap:ComprehensiveIncomeNoteTextBlock>
    <us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock contextRef="c-1" id="f-662">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth the effect of reclassifications from accumulated other comprehensive income (loss) in our consolidated statements of income for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:44.075%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:7.525%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:7.525%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:6.794%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:6.794%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:19.957%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Affected Line Item in the Consolidated Statements of Income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Details About Accumulated Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Comprehensive Income (Loss) Components&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;padding-left:4.5pt;text-indent:-4.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pension and other postemployment benefit plan obligations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net gain (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,212)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,834)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8,424)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,668)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of unrecognized prior service credit (cost)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(93)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(93)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt 0 7.75pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,305)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,927)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8,610)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,854)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory adjustments (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,306&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,928&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,611&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,855&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Available-for-sale securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;35&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassifications before tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income before income taxes&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Tax effect of reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax expense&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net reclassifications for the period&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;28&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) These components of accumulated other comprehensive income (loss) are included in the computation of net periodic benefit cost (credit). See Note 9 for additional detail on our net periodic benefit cost (credit).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) Regulatory adjustments represent pension and other postemployment benefit credits or costs expected to be recovered through rates and are deferred as part of our regulatory assets. See Note 3 for additional disclosures of regulatory assets and liabilities.&lt;/span&gt;&lt;/div&gt;</us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-3" decimals="-3" id="f-663" unitRef="usd">-4212000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
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    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-1" decimals="-3" id="f-665" unitRef="usd">-8424000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-5" decimals="-3" id="f-666" unitRef="usd">-3668000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-3" decimals="-3" id="f-667" unitRef="usd">93000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-4" decimals="-3" id="f-668" unitRef="usd">93000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-1" decimals="-3" id="f-669" unitRef="usd">186000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-5" decimals="-3" id="f-670" unitRef="usd">186000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments contextRef="c-3" decimals="-3" id="f-671" unitRef="usd">-4305000</ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments>
    <ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments contextRef="c-4" decimals="-3" id="f-672" unitRef="usd">-1927000</ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments>
    <ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments contextRef="c-1" decimals="-3" id="f-673" unitRef="usd">-8610000</ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments>
    <ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments contextRef="c-5" decimals="-3" id="f-674" unitRef="usd">-3854000</ogs:DefinedBenefitPlanReclassificationAdjustmentBeforeTaxAndRegulatoryAdjustments>
    <ogs:DefinedBenefitPlanRegulatoryAdjustments contextRef="c-3" decimals="-3" id="f-675" unitRef="usd">-4306000</ogs:DefinedBenefitPlanRegulatoryAdjustments>
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    <ogs:DefinedBenefitPlanRegulatoryAdjustments contextRef="c-1" decimals="-3" id="f-677" unitRef="usd">-8611000</ogs:DefinedBenefitPlanRegulatoryAdjustments>
    <ogs:DefinedBenefitPlanRegulatoryAdjustments contextRef="c-5" decimals="-3" id="f-678" unitRef="usd">-3855000</ogs:DefinedBenefitPlanRegulatoryAdjustments>
    <us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent contextRef="c-132" decimals="-3" id="f-679" unitRef="usd">1000</us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent>
    <us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent contextRef="c-133" decimals="-3" id="f-680" unitRef="usd">1000</us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent>
    <us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent contextRef="c-134" decimals="-3" id="f-681" unitRef="usd">1000</us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent>
    <us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent contextRef="c-135" decimals="-3" id="f-682" unitRef="usd">1000</us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss contextRef="c-3" decimals="-3" id="f-683" unitRef="usd">3000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss contextRef="c-4" decimals="-3" id="f-684" unitRef="usd">4000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss contextRef="c-1" decimals="-3" id="f-685" unitRef="usd">35000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss>
    <us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss contextRef="c-5" decimals="-3" id="f-686" unitRef="usd">7000</us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax contextRef="c-3" decimals="-3" id="f-687" unitRef="usd">4000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax contextRef="c-4" decimals="-3" id="f-688" unitRef="usd">5000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax contextRef="c-1" decimals="-3" id="f-689" unitRef="usd">36000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax contextRef="c-5" decimals="-3" id="f-690" unitRef="usd">8000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax>
    <us-gaap:ReclassificationFromAociCurrentPeriodTax contextRef="c-3" decimals="-3" id="f-691" unitRef="usd">-1000</us-gaap:ReclassificationFromAociCurrentPeriodTax>
    <us-gaap:ReclassificationFromAociCurrentPeriodTax contextRef="c-4" decimals="-3" id="f-692" unitRef="usd">-1000</us-gaap:ReclassificationFromAociCurrentPeriodTax>
    <us-gaap:ReclassificationFromAociCurrentPeriodTax contextRef="c-1" decimals="-3" id="f-693" unitRef="usd">-8000</us-gaap:ReclassificationFromAociCurrentPeriodTax>
    <us-gaap:ReclassificationFromAociCurrentPeriodTax contextRef="c-5" decimals="-3" id="f-694" unitRef="usd">-2000</us-gaap:ReclassificationFromAociCurrentPeriodTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax contextRef="c-3" decimals="-3" id="f-695" unitRef="usd">3000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax contextRef="c-4" decimals="-3" id="f-696" unitRef="usd">4000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax contextRef="c-1" decimals="-3" id="f-697" unitRef="usd">28000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax>
    <us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax contextRef="c-5" decimals="-3" id="f-698" unitRef="usd">6000</us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax>
    <us-gaap:EarningsPerShareTextBlock contextRef="c-1" id="f-699">EARNINGS PER SHARE&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Basic EPS is calculated by dividing net income by the daily weighted-average number of common shares outstanding during the periods presented, which includes fully vested stock awards that have not yet been issued as common stock. Diluted EPS is based on shares outstanding for the calculation of basic EPS, plus unvested stock awards granted under our compensation plans and equity forward sale agreements, but only to the extent these instruments dilute earnings per share.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables set forth the computation of basic and diluted EPS from continuing operations for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:62.243%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.630%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.533%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.630%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.533%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.631%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;46,808&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;62,959&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;0.74&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;194&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;46,808&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;63,153&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;0.74&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended June 30, 2025&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;175,481&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;62,936&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.79&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;242&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;175,481&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;63,178&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.78&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended June 30, 2025&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.52&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,361&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.51&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="c-1" id="f-700">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables set forth the computation of basic and diluted EPS from continuing operations for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:62.243%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.630%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.533%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.630%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.533%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:10.631%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;46,808&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;62,959&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;0.74&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;194&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;46,808&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;63,153&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;0.74&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended June 30, 2025&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.53&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;175,481&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;62,936&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.79&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;242&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;175,481&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;63,178&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2.78&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended June 30, 2025&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Per Share&lt;br/&gt;Amount&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:2pt solid #000000;padding:1.5pt 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',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;Thousands, except per share amounts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Basic EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.52&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Diluted EPS Calculation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effect of dilutive securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock and common stock equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,361&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.51&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLoss contextRef="c-3" decimals="-3" id="f-701" unitRef="usd">46808000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic contextRef="c-3" decimals="-3" id="f-702" unitRef="shares">62959000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="c-3"
      decimals="2"
      id="f-703"
      unitRef="usdPerShare">0.74</us-gaap:EarningsPerShareBasic>
    <us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment contextRef="c-3" decimals="-3" id="f-704" unitRef="shares">194000</us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted contextRef="c-3" decimals="-3" id="f-705" unitRef="usd">46808000</us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding contextRef="c-3" decimals="-3" id="f-706" unitRef="shares">63153000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareDiluted
      contextRef="c-3"
      decimals="2"
      id="f-707"
      unitRef="usdPerShare">0.74</us-gaap:EarningsPerShareDiluted>
    <us-gaap:NetIncomeLoss contextRef="c-4" decimals="-3" id="f-708" unitRef="usd">32033000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic contextRef="c-4" decimals="-3" id="f-709" unitRef="shares">60113000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="c-4"
      decimals="2"
      id="f-710"
      unitRef="usdPerShare">0.53</us-gaap:EarningsPerShareBasic>
    <us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment contextRef="c-4" decimals="-3" id="f-711" unitRef="shares">342000</us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted contextRef="c-4" decimals="-3" id="f-712" unitRef="usd">32033000</us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding contextRef="c-4" decimals="-3" id="f-713" unitRef="shares">60455000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareDiluted
      contextRef="c-4"
      decimals="2"
      id="f-714"
      unitRef="usdPerShare">0.53</us-gaap:EarningsPerShareDiluted>
    <us-gaap:NetIncomeLoss contextRef="c-1" decimals="-3" id="f-715" unitRef="usd">175481000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic contextRef="c-1" decimals="-3" id="f-716" unitRef="shares">62936000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="c-1"
      decimals="2"
      id="f-717"
      unitRef="usdPerShare">2.79</us-gaap:EarningsPerShareBasic>
    <us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment contextRef="c-1" decimals="-3" id="f-718" unitRef="shares">242000</us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted contextRef="c-1" decimals="-3" id="f-719" unitRef="usd">175481000</us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding contextRef="c-1" decimals="-3" id="f-720" unitRef="shares">63178000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareDiluted
      contextRef="c-1"
      decimals="2"
      id="f-721"
      unitRef="usdPerShare">2.78</us-gaap:EarningsPerShareDiluted>
    <us-gaap:NetIncomeLoss contextRef="c-5" decimals="-3" id="f-722" unitRef="usd">151452000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic contextRef="c-5" decimals="-3" id="f-723" unitRef="shares">60095000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="c-5"
      decimals="2"
      id="f-724"
      unitRef="usdPerShare">2.52</us-gaap:EarningsPerShareBasic>
    <us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment contextRef="c-5" decimals="-3" id="f-725" unitRef="shares">266000</us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted contextRef="c-5" decimals="-3" id="f-726" unitRef="usd">151452000</us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding contextRef="c-5" decimals="-3" id="f-727" unitRef="shares">60361000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareDiluted
      contextRef="c-5"
      decimals="2"
      id="f-728"
      unitRef="usdPerShare">2.51</us-gaap:EarningsPerShareDiluted>
    <us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock contextRef="c-1" id="f-729">EMPLOYEE BENEFIT PLANS&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables set forth the components of net periodic benefit cost (credit) for our pension, inclusive of our defined benefit pension plan, supplemental executive retirement plan, and other postemployment benefit plans for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:47.135%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.842%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Pension Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Components of net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,291&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,582&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,525&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,050&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,084&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expected return on assets (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(10,489)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(11,910)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(20,979)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(23,820)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of unrecognized prior service cost (credit) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;93&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;93&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;186&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;186&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net loss (gain) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,220&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,440&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,730&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,640&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,427&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,279&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:47.135%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.842%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Postemployment Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Components of net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;112&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;123&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;222&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;246&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,020&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,069&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,040&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,138&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expected return on assets (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,194)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,212)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,388)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(4,424)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net loss (gain) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(31)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(16)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(62)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(70)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(51)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(142)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(102)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We recover qualified pension benefit plan and other postemployment benefit plan costs through rates charged to our customers. Certain regulatory authorities require that the recovery of these costs be based on specific guidelines. The difference between these regulatory-based amounts and the periodic benefit cost calculated pursuant to GAAP is deferred as a regulatory asset or liability and amortized to expense over periods in which this difference will be recovered in rates, as authorized by the applicable regulatory authorities. For the&#160;six months ended&#160;June&#160;30, 2026 and 2025, regulatory deferrals related to net periodic benefit cost (credit) were $(2.2)&#160;million and $(0.5)&#160;million, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We capitalize all eligible service cost and non-service (credit) components under the accounting requirements of ASC Topic 980 (Regulated Operations) for rate-regulated entities. Capitalized non-service (credits) reflected in pension and other postemployment benefit costs, net within regulatory assets in our consolidated balance sheets were $(5.1)&#160;million and $(6.8)&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively. See Note 3 of the Notes to Consolidated Financial Statements in this Quarterly Report for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Nonqualified Deferred Compensation Plan&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We have a nonqualified deferred compensation plan with obligations of $24.6&#160;million and $21.9&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, which are reported within other deferred credits in our consolidated balance sheets. These obligations represent the amount owed to plan participants and are treated as if invested in specified deemed investment options. A significant portion of the obligation is indirectly funded with key-person corporate-owned life insurance policies to offset costs associated with our nonqualified deferred compensation plan and the supplemental executive retirement plan. These corporate-owned life insurance policies are measured at cash surrender value of $49.2&#160;million and $46.2&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively, and are reported within other assets in our consolidated balance sheets. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gains (losses) on the corporate-owned life insurance policies are recognized in other income (expense), net within our consolidated statements of income; see Note 11 for additional detail of our other income (expense), net. Deferred compensation expense (income) associated with the nonqualified deferred compensation plan which is recognized in operations and maintenance expense within our consolidated statements of income were $2.1&#160;million and $1.1&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.&lt;/span&gt;&lt;/div&gt;</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
    <us-gaap:ScheduleOfNetBenefitCostsTableTextBlock contextRef="c-1" id="f-730">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables set forth the components of net periodic benefit cost (credit) for our pension, inclusive of our defined benefit pension plan, supplemental executive retirement plan, and other postemployment benefit plans for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:47.135%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.842%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Pension Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Components of net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,291&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,582&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,525&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,050&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,084&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expected return on assets (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(10,489)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(11,910)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(20,979)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(23,820)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of unrecognized prior service cost (credit) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;93&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;93&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;186&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;186&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net loss (gain) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,220&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,440&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,730&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,640&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,427&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;9,279&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:47.135%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.841%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.842%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Postemployment Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Components of net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;112&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;123&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;222&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;246&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,020&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,069&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,040&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,138&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expected return on assets (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,194)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,212)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(4,388)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(4,424)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of net loss (gain) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(8)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(31)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(16)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(62)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(70)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(51)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(142)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(102)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="15" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(a) These amounts, net of any amounts capitalized as a regulatory asset, have been recognized as other (income) expense, net in the consolidated statement of income. See Note 11 for additional detail.&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfNetBenefitCostsTableTextBlock>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-132" decimals="-3" id="f-731" unitRef="usd">1291000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-133" decimals="-3" id="f-732" unitRef="usd">1337000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-134" decimals="-3" id="f-733" unitRef="usd">2582000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-135" decimals="-3" id="f-734" unitRef="usd">2674000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-132" decimals="-3" id="f-735" unitRef="usd">9525000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-133" decimals="-3" id="f-736" unitRef="usd">10042000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-134" decimals="-3" id="f-737" unitRef="usd">19050000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-135" decimals="-3" id="f-738" unitRef="usd">20084000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-132" decimals="-3" id="f-739" unitRef="usd">10489000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-133" decimals="-3" id="f-740" unitRef="usd">11910000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-134" decimals="-3" id="f-741" unitRef="usd">20979000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-135" decimals="-3" id="f-742" unitRef="usd">23820000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-132" decimals="-3" id="f-743" unitRef="usd">93000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-133" decimals="-3" id="f-744" unitRef="usd">93000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-134" decimals="-3" id="f-745" unitRef="usd">186000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit contextRef="c-135" decimals="-3" id="f-746" unitRef="usd">186000</us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-132" decimals="-3" id="f-747" unitRef="usd">-4220000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-133" decimals="-3" id="f-748" unitRef="usd">-1865000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-134" decimals="-3" id="f-749" unitRef="usd">-8440000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-135" decimals="-3" id="f-750" unitRef="usd">-3730000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-132" decimals="-3" id="f-751" unitRef="usd">4640000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-133" decimals="-3" id="f-752" unitRef="usd">1427000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-134" decimals="-3" id="f-753" unitRef="usd">9279000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-135" decimals="-3" id="f-754" unitRef="usd">2854000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-136" decimals="-3" id="f-755" unitRef="usd">112000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-137" decimals="-3" id="f-756" unitRef="usd">123000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-138" decimals="-3" id="f-757" unitRef="usd">222000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanServiceCost contextRef="c-139" decimals="-3" id="f-758" unitRef="usd">246000</us-gaap:DefinedBenefitPlanServiceCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-136" decimals="-3" id="f-759" unitRef="usd">2020000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-137" decimals="-3" id="f-760" unitRef="usd">2069000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-138" decimals="-3" id="f-761" unitRef="usd">4040000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanInterestCost contextRef="c-139" decimals="-3" id="f-762" unitRef="usd">4138000</us-gaap:DefinedBenefitPlanInterestCost>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-136" decimals="-3" id="f-763" unitRef="usd">2194000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-137" decimals="-3" id="f-764" unitRef="usd">2212000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-138" decimals="-3" id="f-765" unitRef="usd">4388000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets contextRef="c-139" decimals="-3" id="f-766" unitRef="usd">4424000</us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-136" decimals="-3" id="f-767" unitRef="usd">8000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-137" decimals="-3" id="f-768" unitRef="usd">31000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-138" decimals="-3" id="f-769" unitRef="usd">16000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses contextRef="c-139" decimals="-3" id="f-770" unitRef="usd">62000</us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-136" decimals="-3" id="f-771" unitRef="usd">-70000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-137" decimals="-3" id="f-772" unitRef="usd">-51000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-138" decimals="-3" id="f-773" unitRef="usd">-142000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost contextRef="c-139" decimals="-3" id="f-774" unitRef="usd">-102000</us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost>
    <ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts contextRef="c-1" decimals="-3" id="f-775" unitRef="usd">-2200000</ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts>
    <ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts contextRef="c-5" decimals="-3" id="f-776" unitRef="usd">-500000</ogs:RegulatoryDeferralOfNetPeriodicBenefitCosts>
    <ogs:CapitalizedNonServiceCostComponents contextRef="c-6" decimals="-3" id="f-777" unitRef="usd">5100000</ogs:CapitalizedNonServiceCostComponents>
    <ogs:CapitalizedNonServiceCostComponents contextRef="c-7" decimals="-3" id="f-778" unitRef="usd">6800000</ogs:CapitalizedNonServiceCostComponents>
    <us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent contextRef="c-6" decimals="-3" id="f-779" unitRef="usd">24600000</us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent>
    <us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent contextRef="c-7" decimals="-3" id="f-780" unitRef="usd">21900000</us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent>
    <us-gaap:CashSurrenderValueOfLifeInsurance contextRef="c-6" decimals="-3" id="f-781" unitRef="usd">49200000</us-gaap:CashSurrenderValueOfLifeInsurance>
    <us-gaap:CashSurrenderValueOfLifeInsurance contextRef="c-7" decimals="-3" id="f-782" unitRef="usd">46200000</us-gaap:CashSurrenderValueOfLifeInsurance>
    <us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense contextRef="c-1" decimals="-3" id="f-783" unitRef="usd">2100000</us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense>
    <us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense contextRef="c-5" decimals="-3" id="f-784" unitRef="usd">1100000</us-gaap:DeferredCompensationArrangementWithIndividualCompensationExpense>
    <us-gaap:IncomeTaxDisclosureTextBlock contextRef="c-1" id="f-785">INCOME TAXES&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We use an estimated annual effective tax rate for purposes of determining the income tax provision during interim reporting periods. In calculating our estimated annual effective tax rate, we consider forecasted annual pre-tax income and estimated permanent book versus tax differences, as well as tax credits. Adjustments to the effective tax rate and estimates will occur as information and assumptions change.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;At June&#160;30, 2026, we had no uncertain tax positions. We are no longer subject to income tax examination for years prior to 2022. Changes in tax laws or tax rates are recognized in the financial reporting period that includes the enactment date.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In April 2026, we received $64.3&#160;million from the IRS, consisting of a $55.6&#160;million federal income tax refund and $8.7&#160;million of interest. The refund relates to the amendment of our 2022 federal income tax return following the issuance of Revenue Procedure 2024&#x2011;15 in 2024, which allows for the deferral of income taxes on securitization bond proceeds received from a qualifying state financing entity.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Income tax expense reflects credits for the amortization of the regulatory liability associated with EDIT that was returned to customers of $3.3&#160;million and $2.1&#160;million for the three months ended June 30, 2026 and 2025, respectively, and $12.8&#160;million and $10.2&#160;million for the six months ended June&#160;30, 2026 and 2025, respectively.&lt;/span&gt;&lt;/div&gt;</us-gaap:IncomeTaxDisclosureTextBlock>
    <ogs:IRS2022FederalIncomeTaxReturn contextRef="c-140" decimals="-3" id="f-786" unitRef="usd">64300000</ogs:IRS2022FederalIncomeTaxReturn>
    <ogs:IRS2022IncomeTaxReturnFederalIncomeTax contextRef="c-140" decimals="-3" id="f-787" unitRef="usd">55600000</ogs:IRS2022IncomeTaxReturnFederalIncomeTax>
    <ogs:IRS2022IncomeTaxReturnInterest contextRef="c-140" decimals="-3" id="f-788" unitRef="usd">8700000</ogs:IRS2022IncomeTaxReturnInterest>
    <ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers contextRef="c-3" decimals="-3" id="f-789" unitRef="usd">3300000</ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers>
    <ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers contextRef="c-4" decimals="-3" id="f-790" unitRef="usd">2100000</ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers>
    <ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers contextRef="c-1" decimals="-3" id="f-791" unitRef="usd">12800000</ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers>
    <ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers contextRef="c-5" decimals="-3" id="f-792" unitRef="usd">10200000</ogs:ReductioninincometaxexpensefortheamortizationoftheregulatoryliabilityassociatedwithexcessADITthatwasreturnedtocustomers>
    <us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock contextRef="c-1" id="f-793">OTHER INCOME AND OTHER EXPENSE&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth the components of other income and other expense for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:61.473%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.259%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit (cost) credit other than service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(972)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;688&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gain (loss) on investments associated with nonqualified deferred compensation plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,739&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,062&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,001&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unrealized gain (loss) on marketable equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;372&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Credit due to change in federal tax regulation for securitization (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,390&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,390&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(309)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(393)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5,220&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,572&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,123&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,090&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock>
    <us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock contextRef="c-1" id="f-794">&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table sets forth the components of other income and other expense for the periods indicated:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:61.473%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.256%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:8.259%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="12" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net periodic benefit (cost) credit other than service cost&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(972)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(2,125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;688&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gain (loss) on investments associated with nonqualified deferred compensation plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,739&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,062&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,001&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unrealized gain (loss) on marketable equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;372&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;250&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Credit due to change in federal tax regulation for securitization (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,390&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,390&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(309)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(393)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5,220&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,572&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;3,123&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,090&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) See Note 10 for additional detail.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-141" decimals="-3" id="f-795" unitRef="usd">-972000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-142" decimals="-3" id="f-796" unitRef="usd">356000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-143" decimals="-3" id="f-797" unitRef="usd">-2125000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-144" decimals="-3" id="f-798" unitRef="usd">688000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-145" decimals="-3" id="f-799" unitRef="usd">3739000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-146" decimals="-3" id="f-800" unitRef="usd">2062000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-147" decimals="-3" id="f-801" unitRef="usd">3001000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-148" decimals="-3" id="f-802" unitRef="usd">2209000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-149" decimals="-3" id="f-803" unitRef="usd">372000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-150" decimals="-3" id="f-804" unitRef="usd">184000</us-gaap:OtherNonoperatingIncomeExpense>
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    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-154" decimals="-3" id="f-808" unitRef="usd">0</us-gaap:OtherNonoperatingIncomeExpense>
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    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-156" decimals="-3" id="f-810" unitRef="usd">0</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-157" decimals="-3" id="f-811" unitRef="usd">-309000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-158" decimals="-3" id="f-812" unitRef="usd">-30000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-159" decimals="-3" id="f-813" unitRef="usd">-393000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-160" decimals="-3" id="f-814" unitRef="usd">9000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-3" decimals="-3" id="f-815" unitRef="usd">5220000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-4" decimals="-3" id="f-816" unitRef="usd">2572000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-1" decimals="-3" id="f-817" unitRef="usd">3123000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:OtherNonoperatingIncomeExpense contextRef="c-5" decimals="-3" id="f-818" unitRef="usd">3090000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock contextRef="c-1" id="f-819">COMMITMENTS AND CONTINGENCIES&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Environmental Matters&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We are subject to multiple laws and regulations regarding protection of the environment and natural and cultural resources, which affect many aspects of our present and future operations. Regulated activities include, but are not limited to, those involving air emissions, storm water and wastewater discharges, handling and disposal of solid and hazardous wastes, wetland preservation, plant and wildlife protection, hazardous materials use, storage and transportation, and pipeline and facility construction. These laws and regulations require us to obtain and/or comply with a wide variety of environmental clearances, registrations, licenses, permits, and other approvals. Failure to comply with these laws, regulations, licenses, and permits or the discovery of presently unknown environmental conditions may expose us to fines, penalties, and/or interruptions in our operations that could be material to our results of operations. In addition, emission controls and/or other regulatory or permitting mandates under the CAA and other similar federal and state laws could require unexpected capital expenditures. We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional statutes or regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We own or retain legal responsibility for certain environmental conditions at 12 former MGP sites in Kansas. These sites contain contaminants generally associated with MGP sites and are subject to control or remediation under various environmental laws and regulations. A consent agreement with the KDHE governs all environmental investigation and remediation work at these sites. The terms of the consent agreement require us to investigate these sites and set remediation activities based upon the results of the investigations and risk analysis. Remediation typically involves the management of contaminated soils and may involve removal of structures and monitoring and/or remediation of groundwater. We have completed or are addressing removal of the source of soil contamination at all 12 sites and continue to monitor groundwater at seven of the 12 sites according to plans approved by the KDHE. Regulatory closure has been achieved at five of the 12 sites, but these sites remain subject to potential future requirements that may result in additional costs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We have an AAO that allows Kansas Gas Service to defer and seek recovery of costs necessary for investigation and remediation at, and nearby, these 12 former MGP sites that are incurred after January 1, 2017. In January 2025, Kansas Gas Service requested to increase the cap on the AAO to $32.0 million from $15.0 million. The original $15.0&#160;million cap approved in 2017 was the result of a unanimous settlement agreement and contained additional reporting requirements and obligations. In May 2025, Kansas Gas Service, the KCC staff, and the Citizens&#x2019; Utility Ratepayer Board filed a unanimous settlement agreement with the KCC agreeing to increase the cap to $32.0 million and to leave all of the other provisions of the 2017 settlement agreement in place. The KCC issued an order approving the settlement agreement in July 2025.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Pursuant to the AAO, costs approved for recovery in a future rate proceeding are to be amortized over a 15-year period. The unamortized amounts are not included in rate base or accumulate carrying charges. Following a determination that future investigation and remediation work approved by the KDHE exceeds $32.0 million, net of any related insurance recoveries, Kansas Gas Service is required to file an application with the KCC for approval to increase the $32.0 million cap. At June&#160;30, 2026 and December&#160;31, 2025, we have deferred $30.3&#160;million and $30.1&#160;million, respectively, for accrued investigation and remediation costs, net of insurance proceeds, pursuant to our AAO. &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We also own or retain legal responsibility for certain environmental conditions at a former MGP site in Texas. At the request of the TCEQ, we began investigating the level and extent of contamination associated with the site under their Texas Risk Reduction Program. A preliminary site investigation revealed that this site contains contaminants generally associated with MGP sites and is subject to control or remediation under various environmental laws and regulations. At June&#160;30, 2026, estimated costs associated with expected remediation activities for this site are not material.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Our expenditures for environmental evaluation, mitigation, remediation and compliance to date have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows during the three and six months ended June 30, 2026, and 2025. The reserve for remediation of our MGP sites was $13.0&#160;million and $13.7&#160;million at June&#160;30, 2026 and December&#160;31, 2025, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Environmental issues may exist with respect to these MGP sites that are unknown to us. Accordingly, future costs are dependent on the final determination and regulatory approval of any remedial actions, the complexity of the site, level of remediation required, changing technology and governmental regulations, and to the extent not recovered by insurance or recoverable in rates from our customers, such costs could be material to our financial condition, results of operations, or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We are subject to environmental regulation by federal, state, and local authorities. Due to the inherent uncertainties surrounding the development of federal and state environmental laws and regulations, we cannot determine with specificity the impact such laws and regulations may have on our existing and future facilities. With the trend toward stricter standards, greater regulation, and more extensive permit requirements for the types of assets operated by us, our environmental expenditures could increase in the future. Such expenditures may not be fully recovered by insurance or recoverable in rates from our customers, and those costs may adversely affect our financial condition, results of operations, and cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Environmental Footprint&#160;-&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;We cannot assure that existing environmental statutes and regulations will not be revised or that new regulations will not be adopted or become applicable to us. Revised or additional regulations that result in increased compliance costs or additional operating restrictions could have a material adverse effect on our business, financial condition, and results of operations. Our expenditures for environmental investigation and remediation compliance have not been significant in relation to our financial position, results of operations, or cash flows, and our expenditures related to environmental matters had no material effects on earnings or cash flows for the three and six months ended June 30, 2026, and 2025.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Pipeline Safety&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We are subject to regulation under federal pipeline safety statutes and any analogous state regulations. These include safety requirements for the design, construction, operation, and maintenance of pipelines, including transmission and distribution pipelines. At the federal level, we are regulated by PHMSA. PHMSA regulations require the following for certain pipelines: inspection and maintenance plans; integrity management programs, including the determination of pipeline integrity risks and periodic assessments on certain pipeline segments; an operator qualification program, which includes certain trainings; a public awareness program that provides certain information; and a control room management plan.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;PHMSA promulgates various regulations related to pipeline safety. As part of the Consolidated Appropriations Act, 2021, the PIPES Act reauthorized PHMSA through 2023 and directed the agency to move forward with several regulatory actions. Outstanding regulatory actions include the &#x201c;Pipeline Safety: Safety of Gas Distribution Pipelines&#x201d; and &#x201c;Pipeline Safety: Gas Pipeline Leak Detection&#x201d; proposed rulemakings. On May 28, 2026, PHMSA hosted a meeting of the Gas Pipeline Advisory Committee to cover the proposed &#x201c;Pipeline Safety: Safety of Gas Distribution Pipelines&#x201d; rule. PHMSA is anticipating publishing the final rule to the Federal Register in December of 2026. The &#x201c;Pipeline Safety: Gas Pipeline Leak Detection&#x201d; proposed rule would require operators of new and existing transmission and distribution pipeline facilities to conduct certain leak detection and repair programs and require facility inspection and maintenance plans to align with those regulations. On January 20, 2025, an executive order began a regulatory freeze on all rulemakings that were not yet effective pending further review. On July 8, 2026, PHMSA published the NPRM for Gas Transmission Pipelines Repair Criteria in the Federal Register. This rule proposes to modernize and clarify anomaly response criteria. To the extent such rulemakings impose more stringent requirements on our facilities, we may be required to incur expenditures that may be material.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Regulatory&#160;-&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Several regulatory initiatives impacted the earnings and future earnings potential of our business. See additional information regarding our regulatory initiatives in the &#x201c;Regulatory Activities&#x201d; section of Management&#x2019;s Discussion and Analysis of Financial Condition and Results of Operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Legal Proceedings&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We are a party to various litigation matters and claims that have arisen in the normal course of our operations. While the results of litigation and claims cannot be predicted with certainty, we believe the reasonably possible losses from such matters, individually and in the aggregate, are not material. Additionally, we believe the probable outcome of such matters will not have a material adverse effect on our results of operations, financial position, or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Purchase Commitment&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - During the second quarter of 2026, the Company entered into a commitment to purchase approximately $24.8&#160;million of materials related to the construction of a natural gas pipeline. Delivery of the materials is expected to occur in 2027. At June&#160;30, 2026, the Company had outstanding contractual commitments of approximately $19.8&#160;million related to this agreement and made a prepayment of $5.0&#160;million under the agreement, which is reported in current prepaid expenses on our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
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    <ogs:DeferredMGPCostsMaximum contextRef="c-6" decimals="-3" id="f-827" unitRef="usd">32000000.0</ogs:DeferredMGPCostsMaximum>
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    <ogs:RegulatoryAssetForCostsAssociatedWithManufacturedGasSites contextRef="c-7" decimals="-3" id="f-834" unitRef="usd">30100000</ogs:RegulatoryAssetForCostsAssociatedWithManufacturedGasSites>
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    <us-gaap:FairValueDisclosuresTextBlock contextRef="c-1" id="f-840">DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Accounting Treatment&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:22.326%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:2.728%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:34.039%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:2.728%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:34.479%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Recognition and Measurement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Accounting Treatment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Balance Sheet&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Normal purchases and&lt;br/&gt;normal sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair value not recorded&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value not recognized in earnings&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Mark-to-market&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Recorded at fair value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value recognized in, and recoverable through, the purchased-gas cost adjustment mechanisms&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We define fair value as the price that would be received from the sale of an asset or the transfer of a liability in an orderly transaction between market participants at the measurement date. We use the market and income approaches to determine the fair value of our assets and liabilities and consider the markets in which the transactions are executed. We measure the fair value of a group of financial assets and liabilities consistent with how a market participant would price the net risk exposure at the measurement date.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Fair Value Hierarchy&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - At each balance sheet date, we utilize a fair value hierarchy to classify fair value amounts recognized or disclosed in our consolidated financial statements based on the observability of inputs used to estimate such fair value. The levels of the hierarchy are described 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="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 2 - Significant observable pricing inputs other than quoted prices included within Level 1 that are, either directly or indirectly, observable as of the reporting date. Essentially, this represents inputs that are derived principally from or corroborated by observable market data; and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 3 - May include one or more unobservable inputs that are significant in establishing a fair value estimate. These unobservable inputs are developed based on the best information available and may include our own internal data.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We recognize transfers into and out of the levels as of the end of each reporting period.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Determining the appropriate classification of our fair value measurements within the fair value hierarchy requires management&#x2019;s judgment regarding the degree to which market data is observable or corroborated by observable market data. We categorize derivatives for which fair value is determined using multiple inputs within a single level, based on the lowest level input that is significant to the fair value measurement in its entirety.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Derivative Instruments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; -&#160;Our derivatives are comprised of over-the-counter natural gas fixed-price swaps and call options. &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Swaps - &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;At June&#160;30, 2026, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2027 with a total notional amount of 11.70 Bcf. At December&#160;31, 2025, we held over-the-counter natural gas fixed-price swaps for the heating season ending March 2026 with a total notional amount of 5.02 Bcf.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Options&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - At June&#160;30, 2026, we did not hold any natural gas call options. At December&#160;31, 2025, we held purchased natural gas call options for the heating season ending March 2026 with total notional amount of 0.50 Bcf, for which we paid premiums of $0.5&#160;million.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We have not designated any of our derivative instruments as accounting hedges. These contracts are included in, and recoverable through, our purchased-gas cost adjustment mechanisms. Additionally, premiums paid, changes in fair value and any settlements received associated with these contracts are deferred as part of our unrecovered purchased-gas costs in our consolidated balance sheets. There were no transfers between levels for the periods presented.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Other Financial Instruments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; -&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The approximate fair value of cash and cash equivalents, restricted cash and cash equivalents, accounts receivable, and accounts payable is equal to book value, due to the short-term nature of these items. The fair value of our commercial paper was determined using quoted prices in an active market.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables summarize, by level within the fair value hierarchy, our derivative and other assets and liabilities that were accounted for at fair value on a recurring basis at June&#160;30, 2026 and December 31, 2025:&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="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Netting (c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',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="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;United States treasury notes (b)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,267&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,267&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate bonds (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Marketable equity securities (d)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,877&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,877&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;11,144&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,247&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative instruments - swaps (a)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;624&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(24)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;600&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(d) The fair value is included in other current assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31, 2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Netting (c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;United States treasury notes (b)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate bonds (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Marketable equity securities (d)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,627&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,627&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,956&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,599&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative instruments - swaps (a)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(d) The fair value is included in other current assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The estimated fair value of our long-term debt, including current maturities, was $2.5&#160;billion and $2.5&#160;billion at June&#160;30, 2026 and December&#160;31, 2025, respectively. The estimated fair value of our long-term debt was determined using quoted market prices and is classified as Level 2.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueDisclosuresTextBlock>
    <us-gaap:DerivativesReportingOfDerivativeActivity contextRef="c-1" id="f-841">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Accounting Treatment&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:22.326%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:2.728%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:34.039%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:2.728%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:34.479%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Recognition and Measurement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Accounting Treatment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Balance Sheet&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Normal purchases and&lt;br/&gt;normal sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair value not recorded&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value not recognized in earnings&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Mark-to-market&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Recorded at fair value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value recognized in, and recoverable through, the purchased-gas cost adjustment mechanisms&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:DerivativesReportingOfDerivativeActivity>
    <us-gaap:FairValueMeasurementPolicyPolicyTextBlock contextRef="c-1" id="f-842">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - We define fair value as the price that would be received from the sale of an asset or the transfer of a liability in an orderly transaction between market participants at the measurement date. We use the market and income approaches to determine the fair value of our assets and liabilities and consider the markets in which the transactions are executed. We measure the fair value of a group of financial assets and liabilities consistent with how a market participant would price the net risk exposure at the measurement date.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Fair Value Hierarchy&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt; - At each balance sheet date, we utilize a fair value hierarchy to classify fair value amounts recognized or disclosed in our consolidated financial statements based on the observability of inputs used to estimate such fair value. The levels of the hierarchy are described 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="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 1 - Unadjusted quoted prices in active markets for identical assets or liabilities;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 2 - Significant observable pricing inputs other than quoted prices included within Level 1 that are, either directly or indirectly, observable as of the reporting date. Essentially, this represents inputs that are derived principally from or corroborated by observable market data; and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Level 3 - May include one or more unobservable inputs that are significant in establishing a fair value estimate. These unobservable inputs are developed based on the best information available and may include our own internal data.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;We recognize transfers into and out of the levels as of the end of each reporting period.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Determining the appropriate classification of our fair value measurements within the fair value hierarchy requires management&#x2019;s judgment regarding the degree to which market data is observable or corroborated by observable market data. We categorize derivatives for which fair value is determined using multiple inputs within a single level, based on the lowest level input that is significant to the fair value measurement in its entirety.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueMeasurementPolicyPolicyTextBlock>
    <us-gaap:DerivativeNonmonetaryNotionalAmount contextRef="c-161" decimals="2" id="f-843" unitRef="bcf">11.70</us-gaap:DerivativeNonmonetaryNotionalAmount>
    <us-gaap:DerivativeNonmonetaryNotionalAmount contextRef="c-162" decimals="2" id="f-844" unitRef="bcf">5.02</us-gaap:DerivativeNonmonetaryNotionalAmount>
    <us-gaap:DerivativeNonmonetaryNotionalAmount contextRef="c-163" decimals="2" id="f-845" unitRef="bcf">0.50</us-gaap:DerivativeNonmonetaryNotionalAmount>
    <ogs:Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld contextRef="c-163" decimals="-3" id="f-846" unitRef="usd">500000</ogs:Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld>
    <ogs:FairValueAssetsTransfersbetweenLevels contextRef="c-1" decimals="-3" id="f-847" unitRef="usd">0</ogs:FairValueAssetsTransfersbetweenLevels>
    <ogs:FairValueAssetsTransfersbetweenLevels contextRef="c-5" decimals="-3" id="f-848" unitRef="usd">0</ogs:FairValueAssetsTransfersbetweenLevels>
    <us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock contextRef="c-1" id="f-849">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following tables summarize, by level within the fair value hierarchy, our derivative and other assets and liabilities that were accounted for at fair value on a recurring basis at June&#160;30, 2026 and December 31, 2025:&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="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30, 2026&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Netting (c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',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="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;United States treasury notes (b)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,267&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;8,267&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate bonds (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Marketable equity securities (d)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,877&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2,877&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;11,144&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;19,103&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;30,247&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative instruments - swaps (a)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;624&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(24)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;600&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(d) The fair value is included in other current assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31, 2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Netting (c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="border-top:2pt solid #000000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;United States treasury notes (b)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate bonds (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Marketable equity securities (d)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,627&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,627&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,956&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,643&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,599&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative instruments - swaps (a)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a) The fair value is included in other current assets and other current liabilities in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(b) The fair value is included in other current and noncurrent assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(c) Our over-the-counter natural gas fixed-price swaps are presented on a net basis when the right of offset exists.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(d) The fair value is included in other current assets in our consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock>
    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-164" decimals="-3" id="f-850" unitRef="usd">8267000</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
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    <us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent contextRef="c-172" decimals="-3" id="f-858" unitRef="usd">2877000</us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent>
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    <us-gaap:AssetsFairValueDisclosure contextRef="c-176" decimals="-3" id="f-862" unitRef="usd">11144000</us-gaap:AssetsFairValueDisclosure>
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    <us-gaap:AssetsFairValueDisclosure contextRef="c-178" decimals="-3" id="f-864" unitRef="usd">0</us-gaap:AssetsFairValueDisclosure>
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    <us-gaap:DerivativeFairValueOfDerivativeLiability contextRef="c-181" decimals="-3" id="f-867" unitRef="usd">624000</us-gaap:DerivativeFairValueOfDerivativeLiability>
    <us-gaap:DerivativeLiabilityFairValueGrossAsset contextRef="c-182" decimals="-3" id="f-868" unitRef="usd">-24000</us-gaap:DerivativeLiabilityFairValueGrossAsset>
    <us-gaap:DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement contextRef="c-183" decimals="-3" id="f-869" unitRef="usd">600000</us-gaap:DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement>
    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-184" decimals="-3" id="f-870" unitRef="usd">9329000</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-185" decimals="-3" id="f-871" unitRef="usd">0</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
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    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-187" decimals="-3" id="f-873" unitRef="usd">9329000</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
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    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-189" decimals="-3" id="f-875" unitRef="usd">18643000</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-190" decimals="-3" id="f-876" unitRef="usd">0</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
    <us-gaap:DebtSecuritiesTradingAndAvailableForSale contextRef="c-191" decimals="-3" id="f-877" unitRef="usd">18643000</us-gaap:DebtSecuritiesTradingAndAvailableForSale>
    <us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent contextRef="c-192" decimals="-3" id="f-878" unitRef="usd">2627000</us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent>
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    <us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent contextRef="c-195" decimals="-3" id="f-881" unitRef="usd">2627000</us-gaap:EquitySecuritiesFvNiCurrentAndNoncurrent>
    <us-gaap:AssetsFairValueDisclosure contextRef="c-196" decimals="-3" id="f-882" unitRef="usd">11956000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure contextRef="c-197" decimals="-3" id="f-883" unitRef="usd">18643000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure contextRef="c-198" decimals="-3" id="f-884" unitRef="usd">0</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure contextRef="c-199" decimals="-3" id="f-885" unitRef="usd">30599000</us-gaap:AssetsFairValueDisclosure>
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    <us-gaap:DerivativeFairValueOfDerivativeLiability contextRef="c-201" decimals="-3" id="f-887" unitRef="usd">7309000</us-gaap:DerivativeFairValueOfDerivativeLiability>
    <us-gaap:DerivativeLiabilityFairValueGrossAsset contextRef="c-202" decimals="-3" id="f-888" unitRef="usd">0</us-gaap:DerivativeLiabilityFairValueGrossAsset>
    <us-gaap:DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement contextRef="c-203" decimals="-3" id="f-889" unitRef="usd">7309000</us-gaap:DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement>
    <us-gaap:LongTermDebtFairValue contextRef="c-6" decimals="-3" id="f-890" unitRef="usd">2500000000</us-gaap:LongTermDebtFairValue>
    <us-gaap:LongTermDebtFairValue contextRef="c-7" decimals="-3" id="f-891" unitRef="usd">2500000000</us-gaap:LongTermDebtFairValue>
    <us-gaap:VariableInterestEntityDisclosureTextBlock contextRef="c-1" id="f-892">VARIABLE INTEREST ENTITY&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;KGSS-I is a special-purpose, wholly owned subsidiary of ONE Gas that was formed for the purpose of issuing securitized bonds to recover extraordinary costs incurred by Kansas Gas Service resulting from Winter Storm Uri. KGSS-I&#x2019;s assets cannot be used to settle ONE Gas&#x2019; obligations and the holders of the Securitized Utility Tariff Bonds have no recourse against ONE Gas. The Securitized Utility Tariff Bonds have a scheduled final payment date of August 1, 2032. See Note 5 for additional information about the securitization financing.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;KGSS-I is considered to be a variable interest entity. As a result, KGSS-I is included in the consolidated financial statements of ONE Gas. No gain or loss was recognized upon initial consolidation.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impact of KGSS-I on our consolidated balance sheets:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:72.438%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.767%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Restricted cash and cash equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;22,711&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,107&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts receivable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,317&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitized intangible asset, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;218,991&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;233,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246,019&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;261,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current maturities of securitized utility tariff bonds, net of issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;31,404&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts payable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;217&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;136&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5,543&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,894&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitized utility tariff bonds, excluding current maturities, net of discounts and issuance costs $4.0&#160;million and $4.3&#160;million, as of June&#160;30, 2026, and December 31, 2025, respectively&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;207,115&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;223,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Paid-in capital&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,680&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retained earnings&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;60&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total liabilities and equity&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246,019&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;261,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impact of KGSS-I on our consolidated statements of income:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,876&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,853&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,842&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(110)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(111)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(221)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(221)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(7,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9,292)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(14,795)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;109&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;112&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(3,471)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,879)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(7,011)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,823)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;35&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;72&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;72&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;72&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;72&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:VariableInterestEntityDisclosureTextBlock>
    <us-gaap:ScheduleOfVariableInterestEntitiesTextBlock contextRef="c-204" id="f-893">&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impact of KGSS-I on our consolidated balance sheets:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:72.438%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.530%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.767%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Restricted cash and cash equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;22,711&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,107&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts receivable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;4,317&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitized intangible asset, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;218,991&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;233,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246,019&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;261,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current maturities of securitized utility tariff bonds, net of issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;31,404&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:3pt double #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts payable&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;217&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;136&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;5,543&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,894&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Securitized utility tariff bonds, excluding current maturities, net of discounts and issuance costs $4.0&#160;million and $4.3&#160;million, as of June&#160;30, 2026, and December 31, 2025, respectively&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;207,115&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;223,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Paid-in capital&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;1,680&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retained earnings&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;60&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total liabilities and equity&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246,019&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;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:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;261,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impact of KGSS-I on our consolidated statements of income:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:45.683%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.765%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:0.384%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td style="width:1.0%"&gt;&lt;/td&gt;&lt;td style="width:11.770%"&gt;&lt;/td&gt;&lt;td style="width:0.1%"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Six Months Ended&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;June 30,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:2pt solid #000;padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="21" style="padding:1.5pt 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%"&gt;(Thousands of dollars)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;10,876&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;21,853&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,842&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(110)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(111)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(221)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(221)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(7,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9,292)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(14,795)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,986)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;109&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;112&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;246&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(3,471)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,879)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(7,011)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,823)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income before income taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;35&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;72&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;72&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:1.5pt 1pt 1.5pt 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;36&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:700;line-height:100%"&gt;72&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 1pt 1.5pt 0;text-align:right;vertical-align:bottom"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000000;padding:0 1pt 0 12.25pt"&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 0 1.5pt 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:2pt solid #000;padding:1.5pt 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