<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!--Created by FERC Project, Powered by IRIS Carbon, Unique Code 68baedf41b71ec2418daac32, Generated At Fri, 05 Sep 2025 14:04:36 GMT-->
<xbrli:xbrl xmlns:ferc="http://ferc.gov/form/2025-04-01/ferc" xmlns:ferc-form-6q="http://ferc.gov/form/2025-04-01/ferc-form-6q" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:schemaRef xlink:type="simple" xlink:href="https://eCollection.ferc.gov/taxonomy/form6/2025-04-01/form/form6Q/form-6Q_2025-04-01.xsd" />
  <xbrli:context id="C1">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C2">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:instant>2025-06-30</xbrli:instant>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C3">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-01-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C4">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:instant>2024-06-30</xbrli:instant>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C9">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-04-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C11">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-04-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C24">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:instant>2024-12-31</xbrli:instant>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C32">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:instant>2023-12-31</xbrli:instant>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C43">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:ScheduleRemarksAxis">
          <ferc:ScheduleRemarksDomain>ScheduleStatisticsOfOperationsOwnedByRespondentButOperatedByOthersAbstract</ferc:ScheduleRemarksDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C44">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDomain>1</ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C45">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDomain>1</ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-01-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C46">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>1</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C48">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>2</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C49">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>2</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-01-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C50">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>3</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C51">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>3</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-01-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C52">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesAxis">
          <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>1</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C54">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesAxis">
          <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>2</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C56">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesAxis">
          <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>3</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C58">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesAxis">
          <ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesDomain>1</ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C59">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesAxis">
          <ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesDomain>1</ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2024-01-01</xbrli:startDate>
      <xbrli:endDate>2024-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C60">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="ferc:ProductsAndServicesAxis">ferc:CrudeOilMember</xbrldi:explicitMember>
        <xbrldi:typedMember dimension="ferc:StateOfOriginAndProductTypeAxis">
          <ferc:StateOfOriginAndProductTypeDomain>2</ferc:StateOfOriginAndProductTypeDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C61">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="ferc:ProductsAndServicesAxis">ferc:CrudeOilMember</xbrldi:explicitMember>
        <xbrldi:typedMember dimension="ferc:StateOfOriginAndProductTypeAxis">
          <ferc:StateOfOriginAndProductTypeDomain>3</ferc:StateOfOriginAndProductTypeDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C62">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="ferc:ProductsAndServicesAxis">ferc:CrudeOilMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C65">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:StateOfOriginAndProductTypeAxis">
          <ferc:StateOfOriginAndProductTypeDomain>2</ferc:StateOfOriginAndProductTypeDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C66">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:StateOfOriginAndProductTypeAxis">
          <ferc:StateOfOriginAndProductTypeDomain>3</ferc:StateOfOriginAndProductTypeDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C67">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:StateOfOriginAndProductTypeAxis">
          <ferc:StateOfOriginAndProductTypeDomain>6</ferc:StateOfOriginAndProductTypeDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C68">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:typedMember dimension="ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesAxis">
          <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>4</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDomain>
        </xbrldi:typedMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:context id="C71">
    <xbrli:entity>
      <xbrli:identifier scheme="http://www.ferc.gov/CID">C010308</xbrli:identifier>
      <xbrli:segment>
        <xbrldi:explicitMember dimension="ferc:ProductsAndServicesAxis">ferc:CrudeOilTrunkMember</xbrldi:explicitMember>
      </xbrli:segment>
    </xbrli:entity>
    <xbrli:period>
      <xbrli:startDate>2025-01-01</xbrli:startDate>
      <xbrli:endDate>2025-06-30</xbrli:endDate>
    </xbrli:period>
  </xbrli:context>
  <xbrli:unit id="Pure">
    <xbrli:measure>xbrli:pure</xbrli:measure>
  </xbrli:unit>
  <xbrli:unit id="Barrel">
    <xbrli:measure>utr:bbl</xbrli:measure>
  </xbrli:unit>
  <xbrli:unit id="USD">
    <xbrli:measure>iso4217:USD</xbrli:measure>
  </xbrli:unit>
  <ferc:Remarks id="Tag1" contextRef="C43">N/A</ferc:Remarks>
  <ferc:StatementAboutImportantChangesDuringTheQuarterYearTextBlock id="Tag2" contextRef="C1">&lt;div&gt;&lt;p&gt;1) None&lt;/p&gt;
&lt;p&gt;2) None&amp;#160;&amp;#160;&lt;/p&gt;
&lt;p&gt;3) None&amp;#160;&amp;#160;&lt;/p&gt;
&lt;p&gt;4) None&amp;#160;&amp;#160;&lt;/p&gt;
&lt;p&gt;5) None&lt;/p&gt;&lt;/div&gt;</ferc:StatementAboutImportantChangesDuringTheQuarterYearTextBlock>
  <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription id="Tag3" contextRef="C52">Gross Additions to Nonutility Plant</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription>
  <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription id="Tag4" contextRef="C54">(Less) Allowance for Other Funds Used During Construction</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription>
  <ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription id="Tag5" contextRef="C56">Other (provide details in footnote):</ferc:OtherConstructionAndAcquisitionOfPlantInvestmentActivitiesDescription>
  <ferc:OrderNumber id="Tag6" contextRef="C52" unitRef="Pure" decimals="0">1</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag7" contextRef="C54" unitRef="Pure" decimals="0">2</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag8" contextRef="C56" unitRef="Pure" decimals="0">3</ferc:OrderNumber>
  <ferc:Cash id="Tag9" contextRef="C2" unitRef="USD" decimals="0">33452541</ferc:Cash>
  <ferc:Cash id="Tag10" contextRef="C24" unitRef="USD" decimals="0">41356405</ferc:Cash>
  <ferc:ReceivablesFromAffiliatedCompanies id="Tag11" contextRef="C2" unitRef="USD" decimals="0">7025769</ferc:ReceivablesFromAffiliatedCompanies>
  <ferc:ReceivablesFromAffiliatedCompanies id="Tag12" contextRef="C24" unitRef="USD" decimals="0">8566959</ferc:ReceivablesFromAffiliatedCompanies>
  <ferc:AccountsReceivable id="Tag13" contextRef="C2" unitRef="USD" decimals="0">22008021</ferc:AccountsReceivable>
  <ferc:AccountsReceivable id="Tag14" contextRef="C24" unitRef="USD" decimals="0">22281545</ferc:AccountsReceivable>
  <ferc:OilInventory id="Tag15" contextRef="C2" unitRef="USD" decimals="0">1344828</ferc:OilInventory>
  <ferc:OilInventory id="Tag16" contextRef="C24" unitRef="USD" decimals="0">1912276</ferc:OilInventory>
  <ferc:Prepayments id="Tag17" contextRef="C2" unitRef="USD" decimals="0">37005</ferc:Prepayments>
  <ferc:Prepayments id="Tag18" contextRef="C24" unitRef="USD" decimals="0">2857</ferc:Prepayments>
  <ferc:CurrentAssets id="Tag19" contextRef="C2" unitRef="USD" decimals="0">63868164</ferc:CurrentAssets>
  <ferc:CurrentAssets id="Tag20" contextRef="C24" unitRef="USD" decimals="0">74120042</ferc:CurrentAssets>
  <ferc:CarrierProperty id="Tag21" contextRef="C2" unitRef="USD" decimals="0">1181311456</ferc:CarrierProperty>
  <ferc:CarrierProperty id="Tag22" contextRef="C24" unitRef="USD" decimals="0">1175990565</ferc:CarrierProperty>
  <ferc:AccruedDepreciationCarrierProperty id="Tag23" contextRef="C2" unitRef="USD" decimals="0">52857774</ferc:AccruedDepreciationCarrierProperty>
  <ferc:AccruedDepreciationCarrierProperty id="Tag24" contextRef="C24" unitRef="USD" decimals="0">40369368</ferc:AccruedDepreciationCarrierProperty>
  <ferc:CarrierPropertyNet id="Tag25" contextRef="C2" unitRef="USD" decimals="0">1128453682</ferc:CarrierPropertyNet>
  <ferc:CarrierPropertyNet id="Tag26" contextRef="C24" unitRef="USD" decimals="0">1135621197</ferc:CarrierPropertyNet>
  <ferc:TangibleProperty id="Tag27" contextRef="C2" unitRef="USD" decimals="0">1128453682</ferc:TangibleProperty>
  <ferc:TangibleProperty id="Tag28" contextRef="C24" unitRef="USD" decimals="0">1135621197</ferc:TangibleProperty>
  <ferc:OrganizationCostsAndOtherIntangibles id="Tag29" contextRef="C2" unitRef="USD" decimals="0">624908501</ferc:OrganizationCostsAndOtherIntangibles>
  <ferc:OrganizationCostsAndOtherIntangibles id="Tag30" contextRef="C24" unitRef="USD" decimals="0">624908501</ferc:OrganizationCostsAndOtherIntangibles>
  <ferc:AccruedAmortizationOfIntangibles id="Tag31" contextRef="C2" unitRef="USD" decimals="0">159611136</ferc:AccruedAmortizationOfIntangibles>
  <ferc:AccruedAmortizationOfIntangibles id="Tag32" contextRef="C24" unitRef="USD" decimals="0">134373210</ferc:AccruedAmortizationOfIntangibles>
  <ferc:OtherAssetsAndDeferredCharges id="Tag33" contextRef="C2" unitRef="USD" decimals="0">465297365</ferc:OtherAssetsAndDeferredCharges>
  <ferc:OtherAssetsAndDeferredCharges id="Tag34" contextRef="C24" unitRef="USD" decimals="0">490535291</ferc:OtherAssetsAndDeferredCharges>
  <ferc:Assets id="Tag35" contextRef="C2" unitRef="USD" decimals="0">1657619211</ferc:Assets>
  <ferc:Assets id="Tag36" contextRef="C24" unitRef="USD" decimals="0">1700276530</ferc:Assets>
  <ferc:PayablesToAffiliatedCompanies id="Tag37" contextRef="C2" unitRef="USD" decimals="0">4693666</ferc:PayablesToAffiliatedCompanies>
  <ferc:PayablesToAffiliatedCompanies id="Tag38" contextRef="C24" unitRef="USD" decimals="0">3928800</ferc:PayablesToAffiliatedCompanies>
  <ferc:AccountsPayable id="Tag39" contextRef="C2" unitRef="USD" decimals="0">4286956</ferc:AccountsPayable>
  <ferc:AccountsPayable id="Tag40" contextRef="C24" unitRef="USD" decimals="0">2555832</ferc:AccountsPayable>
  <ferc:TaxesPayable id="Tag41" contextRef="C2" unitRef="USD" decimals="0">5189301</ferc:TaxesPayable>
  <ferc:TaxesPayable id="Tag42" contextRef="C24" unitRef="USD" decimals="0">9397600</ferc:TaxesPayable>
  <ferc:CurrentLiabilities id="Tag43" contextRef="C2" unitRef="USD" decimals="0">14169923</ferc:CurrentLiabilities>
  <ferc:CurrentLiabilities id="Tag44" contextRef="C24" unitRef="USD" decimals="0">15882232</ferc:CurrentLiabilities>
  <ferc:OtherNoncurrentLiabilities id="Tag45" contextRef="C2" unitRef="USD" decimals="0">25908911</ferc:OtherNoncurrentLiabilities>
  <ferc:OtherNoncurrentLiabilities id="Tag46" contextRef="C24" unitRef="USD" decimals="0">40057373</ferc:OtherNoncurrentLiabilities>
  <ferc:NoncurrentLiabilities id="Tag47" contextRef="C2" unitRef="USD" decimals="0">25908911</ferc:NoncurrentLiabilities>
  <ferc:NoncurrentLiabilities id="Tag48" contextRef="C24" unitRef="USD" decimals="0">40057373</ferc:NoncurrentLiabilities>
  <ferc:Liabilities id="Tag49" contextRef="C2" unitRef="USD" decimals="0">40078834</ferc:Liabilities>
  <ferc:Liabilities id="Tag50" contextRef="C24" unitRef="USD" decimals="0">55939605</ferc:Liabilities>
  <ferc:AdditionalPaidInCapital id="Tag51" contextRef="C2" unitRef="USD" decimals="0">1617540377</ferc:AdditionalPaidInCapital>
  <ferc:AdditionalPaidInCapital id="Tag52" contextRef="C24" unitRef="USD" decimals="0">1644336925</ferc:AdditionalPaidInCapital>
  <ferc:StockholdersEquity id="Tag53" contextRef="C2" unitRef="USD" decimals="0">1617540377</ferc:StockholdersEquity>
  <ferc:StockholdersEquity id="Tag54" contextRef="C24" unitRef="USD" decimals="0">1644336925</ferc:StockholdersEquity>
  <ferc:LiabilitiesAndStockholdersEquity id="Tag55" contextRef="C2" unitRef="USD" decimals="0">1657619211</ferc:LiabilitiesAndStockholdersEquity>
  <ferc:LiabilitiesAndStockholdersEquity id="Tag56" contextRef="C24" unitRef="USD" decimals="0">1700276530</ferc:LiabilitiesAndStockholdersEquity>
  <ferc:OperatingRevenues id="Tag57" contextRef="C1" unitRef="USD" decimals="0">172889271</ferc:OperatingRevenues>
  <ferc:OperatingRevenues id="Tag58" contextRef="C3" unitRef="USD" decimals="0">156514694</ferc:OperatingRevenues>
  <ferc:OperatingRevenues id="Tag59" contextRef="C9" unitRef="USD" decimals="0">87307390</ferc:OperatingRevenues>
  <ferc:OperatingRevenues id="Tag60" contextRef="C11" unitRef="USD" decimals="0">80097582</ferc:OperatingRevenues>
  <ferc:OperatingExpenses id="Tag61" contextRef="C1" unitRef="USD" decimals="0">71654536</ferc:OperatingExpenses>
  <ferc:OperatingExpenses id="Tag62" contextRef="C3" unitRef="USD" decimals="0">60071465</ferc:OperatingExpenses>
  <ferc:OperatingExpenses id="Tag63" contextRef="C9" unitRef="USD" decimals="0">34276682</ferc:OperatingExpenses>
  <ferc:OperatingExpenses id="Tag64" contextRef="C11" unitRef="USD" decimals="0">31050782</ferc:OperatingExpenses>
  <ferc:NetCarrierOperatingIncome id="Tag65" contextRef="C1" unitRef="USD" decimals="0">101234735</ferc:NetCarrierOperatingIncome>
  <ferc:NetCarrierOperatingIncome id="Tag66" contextRef="C3" unitRef="USD" decimals="0">96443229</ferc:NetCarrierOperatingIncome>
  <ferc:NetCarrierOperatingIncome id="Tag67" contextRef="C9" unitRef="USD" decimals="0">53030708</ferc:NetCarrierOperatingIncome>
  <ferc:NetCarrierOperatingIncome id="Tag68" contextRef="C11" unitRef="USD" decimals="0">49046800</ferc:NetCarrierOperatingIncome>
  <ferc:InterestAndDividendIncome id="Tag69" contextRef="C1" unitRef="USD" decimals="0">741997</ferc:InterestAndDividendIncome>
  <ferc:InterestAndDividendIncome id="Tag70" contextRef="C3" unitRef="USD" decimals="0">742151</ferc:InterestAndDividendIncome>
  <ferc:InterestAndDividendIncome id="Tag71" contextRef="C9" unitRef="USD" decimals="0">331231</ferc:InterestAndDividendIncome>
  <ferc:InterestAndDividendIncome id="Tag72" contextRef="C11" unitRef="USD" decimals="0">313560</ferc:InterestAndDividendIncome>
  <ferc:MiscellaneousIncomeCharges id="Tag73" contextRef="C1" unitRef="USD" decimals="0">995700</ferc:MiscellaneousIncomeCharges>
  <ferc:MiscellaneousIncomeCharges id="Tag74" contextRef="C3" unitRef="USD" decimals="0">2166</ferc:MiscellaneousIncomeCharges>
  <ferc:MiscellaneousIncomeCharges id="Tag75" contextRef="C9" unitRef="USD" decimals="0">766</ferc:MiscellaneousIncomeCharges>
  <ferc:MiscellaneousIncomeCharges id="Tag76" contextRef="C11" unitRef="USD" decimals="0">1084</ferc:MiscellaneousIncomeCharges>
  <ferc:OtherIncomeAndDeductions id="Tag77" contextRef="C1" unitRef="USD" decimals="0">-253703</ferc:OtherIncomeAndDeductions>
  <ferc:OtherIncomeAndDeductions id="Tag78" contextRef="C3" unitRef="USD" decimals="0">739985</ferc:OtherIncomeAndDeductions>
  <ferc:OtherIncomeAndDeductions id="Tag79" contextRef="C9" unitRef="USD" decimals="0">330465</ferc:OtherIncomeAndDeductions>
  <ferc:OtherIncomeAndDeductions id="Tag80" contextRef="C11" unitRef="USD" decimals="0">312476</ferc:OtherIncomeAndDeductions>
  <ferc:OrdinaryIncomeBeforeFederalIncomeTaxes id="Tag81" contextRef="C1" unitRef="USD" decimals="0">100981032</ferc:OrdinaryIncomeBeforeFederalIncomeTaxes>
  <ferc:OrdinaryIncomeBeforeFederalIncomeTaxes id="Tag82" contextRef="C3" unitRef="USD" decimals="0">97183214</ferc:OrdinaryIncomeBeforeFederalIncomeTaxes>
  <ferc:OrdinaryIncomeBeforeFederalIncomeTaxes id="Tag83" contextRef="C9" unitRef="USD" decimals="0">53361173</ferc:OrdinaryIncomeBeforeFederalIncomeTaxes>
  <ferc:OrdinaryIncomeBeforeFederalIncomeTaxes id="Tag84" contextRef="C11" unitRef="USD" decimals="0">49359276</ferc:OrdinaryIncomeBeforeFederalIncomeTaxes>
  <ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations id="Tag85" contextRef="C1" unitRef="USD" decimals="0">227580</ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations>
  <ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations id="Tag86" contextRef="C3" unitRef="USD" decimals="0">228324</ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations>
  <ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations id="Tag87" contextRef="C9" unitRef="USD" decimals="0">121992</ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations>
  <ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations id="Tag88" contextRef="C11" unitRef="USD" decimals="0">136737</ferc:FederalIncomeTaxesOnIncomeFromContinuingOperations>
  <ferc:IncomeLossFromContinuingOperations id="Tag89" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:IncomeLossFromContinuingOperations>
  <ferc:IncomeLossFromContinuingOperations id="Tag90" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:IncomeLossFromContinuingOperations>
  <ferc:IncomeLossFromContinuingOperations id="Tag91" contextRef="C9" unitRef="USD" decimals="0">53239181</ferc:IncomeLossFromContinuingOperations>
  <ferc:IncomeLossFromContinuingOperations id="Tag92" contextRef="C11" unitRef="USD" decimals="0">49222539</ferc:IncomeLossFromContinuingOperations>
  <ferc:IncomeLossBeforeExtraordinaryItems id="Tag93" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:IncomeLossBeforeExtraordinaryItems>
  <ferc:IncomeLossBeforeExtraordinaryItems id="Tag94" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:IncomeLossBeforeExtraordinaryItems>
  <ferc:IncomeLossBeforeExtraordinaryItems id="Tag95" contextRef="C9" unitRef="USD" decimals="0">53239181</ferc:IncomeLossBeforeExtraordinaryItems>
  <ferc:IncomeLossBeforeExtraordinaryItems id="Tag96" contextRef="C11" unitRef="USD" decimals="0">49222539</ferc:IncomeLossBeforeExtraordinaryItems>
  <ferc:NetIncomeLoss id="Tag97" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:NetIncomeLoss>
  <ferc:NetIncomeLoss id="Tag98" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:NetIncomeLoss>
  <ferc:NetIncomeLoss id="Tag99" contextRef="C9" unitRef="USD" decimals="0">53239181</ferc:NetIncomeLoss>
  <ferc:NetIncomeLoss id="Tag100" contextRef="C11" unitRef="USD" decimals="0">49222539</ferc:NetIncomeLoss>
  <ferc:ComprehensiveIncomeLoss id="Tag101" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:ComprehensiveIncomeLoss>
  <ferc:ComprehensiveIncomeLoss id="Tag102" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:ComprehensiveIncomeLoss>
  <ferc:UnappropriatedRetainedIncomeCreditTransferredFromIncome id="Tag103" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:UnappropriatedRetainedIncomeCreditTransferredFromIncome>
  <ferc:UnappropriatedRetainedIncomeCreditTransferredFromIncome id="Tag104" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:UnappropriatedRetainedIncomeCreditTransferredFromIncome>
  <ferc:AdditionsToUnappropriatedRetainedIncome id="Tag105" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:AdditionsToUnappropriatedRetainedIncome>
  <ferc:AdditionsToUnappropriatedRetainedIncome id="Tag106" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:AdditionsToUnappropriatedRetainedIncome>
  <ferc:DividendAppropriationsOfRetainedIncome id="Tag107" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:DividendAppropriationsOfRetainedIncome>
  <ferc:DividendAppropriationsOfRetainedIncome id="Tag108" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:DividendAppropriationsOfRetainedIncome>
  <ferc:DeductionsFromUnappropriatedRetainedIncome id="Tag109" contextRef="C1" unitRef="USD" decimals="0">100753452</ferc:DeductionsFromUnappropriatedRetainedIncome>
  <ferc:DeductionsFromUnappropriatedRetainedIncome id="Tag110" contextRef="C3" unitRef="USD" decimals="0">96954890</ferc:DeductionsFromUnappropriatedRetainedIncome>
  <ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDescription id="Tag111" contextRef="C44">Net Increase (Decrease) in Related Party</ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivitiesDescription>
  <ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivities id="Tag112" contextRef="C44" unitRef="USD" decimals="0">2156707</ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivities id="Tag113" contextRef="C45" unitRef="USD" decimals="0">3168710</ferc:NoncashAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OrderNumber id="Tag114" contextRef="C44" unitRef="Pure" decimals="0">1</ferc:OrderNumber>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription id="Tag115" contextRef="C46">Other:</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription id="Tag116" contextRef="C48">Net Increase (Decrease) in Deferred Revenue</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities id="Tag117" contextRef="C48" unitRef="USD" decimals="0">-14148462</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities id="Tag118" contextRef="C49" unitRef="USD" decimals="0">-20925966</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription id="Tag119" contextRef="C50">Net (Increase) Decrease in Prepaids and Other Assets</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities id="Tag120" contextRef="C50" unitRef="USD" decimals="0">-34148</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities id="Tag121" contextRef="C51" unitRef="USD" decimals="0">-26981</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription id="Tag122" contextRef="C68">Capital project write-offs</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivitiesDescription>
  <ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities id="Tag123" contextRef="C68" unitRef="USD" decimals="0">994154</ferc:OtherAdjustmentsToCashFlowsFromOperatingActivities>
  <ferc:OrderNumber id="Tag124" contextRef="C46" unitRef="Pure" decimals="0">1</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag125" contextRef="C48" unitRef="Pure" decimals="0">2</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag126" contextRef="C50" unitRef="Pure" decimals="0">3</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag127" contextRef="C68" unitRef="Pure" decimals="0">4</ferc:OrderNumber>
  <ferc:DescriptionOfOtherRetirementsImpactingCashFlowsFromFinancingActivities id="Tag128" contextRef="C58">Member Distributions</ferc:DescriptionOfOtherRetirementsImpactingCashFlowsFromFinancingActivities>
  <ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivities id="Tag129" contextRef="C58" unitRef="USD" decimals="0">127550000</ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivities>
  <ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivities id="Tag130" contextRef="C59" unitRef="USD" decimals="0">121482000</ferc:OtherRetirementsOfBalancesImpactingCashFlowsFromFinancingActivities>
  <ferc:OrderNumber id="Tag131" contextRef="C58" unitRef="Pure" decimals="0">1</ferc:OrderNumber>
  <ferc:DepreciationAndDepletion id="Tag132" contextRef="C1" unitRef="USD" decimals="0">12488406</ferc:DepreciationAndDepletion>
  <ferc:DepreciationAndDepletion id="Tag133" contextRef="C3" unitRef="USD" decimals="0">9317506</ferc:DepreciationAndDepletion>
  <ferc:Amortization id="Tag134" contextRef="C1" unitRef="USD" decimals="0">25237926</ferc:Amortization>
  <ferc:Amortization id="Tag135" contextRef="C3" unitRef="USD" decimals="0">27563697</ferc:Amortization>
  <ferc:NetIncreaseDecreaseInReceivablesOperatingActivities id="Tag136" contextRef="C1" unitRef="USD" decimals="0">-273524</ferc:NetIncreaseDecreaseInReceivablesOperatingActivities>
  <ferc:NetIncreaseDecreaseInReceivablesOperatingActivities id="Tag137" contextRef="C3" unitRef="USD" decimals="0">7809303</ferc:NetIncreaseDecreaseInReceivablesOperatingActivities>
  <ferc:NetIncreaseDecreaseInInventoryOperatingActivities id="Tag138" contextRef="C1" unitRef="USD" decimals="0">-567448</ferc:NetIncreaseDecreaseInInventoryOperatingActivities>
  <ferc:NetIncreaseDecreaseInInventoryOperatingActivities id="Tag139" contextRef="C3" unitRef="USD" decimals="0">16227</ferc:NetIncreaseDecreaseInInventoryOperatingActivities>
  <ferc:NetIncreaseDecreaseInPayablesAndAccruedExpensesOperatingActivities id="Tag140" contextRef="C1" unitRef="USD" decimals="0">-3699741</ferc:NetIncreaseDecreaseInPayablesAndAccruedExpensesOperatingActivities>
  <ferc:NetIncreaseDecreaseInPayablesAndAccruedExpensesOperatingActivities id="Tag141" contextRef="C3" unitRef="USD" decimals="0">-5828149</ferc:NetIncreaseDecreaseInPayablesAndAccruedExpensesOperatingActivities>
  <ferc:NetCashProvidedByUsedInOperatingActivities id="Tag142" contextRef="C1" unitRef="USD" decimals="0">124589266</ferc:NetCashProvidedByUsedInOperatingActivities>
  <ferc:NetCashProvidedByUsedInOperatingActivities id="Tag143" contextRef="C3" unitRef="USD" decimals="0">102398177</ferc:NetCashProvidedByUsedInOperatingActivities>
  <ferc:GrossAdditionsToCarrierPropertyInvestmentActivities id="Tag144" contextRef="C1" unitRef="USD" decimals="0">4943130</ferc:GrossAdditionsToCarrierPropertyInvestmentActivities>
  <ferc:GrossAdditionsToCarrierPropertyInvestmentActivities id="Tag145" contextRef="C3" unitRef="USD" decimals="0">70078</ferc:GrossAdditionsToCarrierPropertyInvestmentActivities>
  <ferc:CashOutflowsForPlant id="Tag146" contextRef="C1" unitRef="USD" decimals="0">4943130</ferc:CashOutflowsForPlant>
  <ferc:CashOutflowsForPlant id="Tag147" contextRef="C3" unitRef="USD" decimals="0">70078</ferc:CashOutflowsForPlant>
  <ferc:CashFlowsProvidedFromUsedInInvestmentActivities id="Tag148" contextRef="C1" unitRef="USD" decimals="0">-4943130</ferc:CashFlowsProvidedFromUsedInInvestmentActivities>
  <ferc:CashFlowsProvidedFromUsedInInvestmentActivities id="Tag149" contextRef="C3" unitRef="USD" decimals="0">-70078</ferc:CashFlowsProvidedFromUsedInInvestmentActivities>
  <ferc:CashFlowsProvidedFromUsedInFinancingActivities id="Tag150" contextRef="C1" unitRef="USD" decimals="0">-127550000</ferc:CashFlowsProvidedFromUsedInFinancingActivities>
  <ferc:CashFlowsProvidedFromUsedInFinancingActivities id="Tag151" contextRef="C3" unitRef="USD" decimals="0">-121482000</ferc:CashFlowsProvidedFromUsedInFinancingActivities>
  <ferc:NetIncreaseDecreaseInCashAndCashEquivalents id="Tag152" contextRef="C1" unitRef="USD" decimals="0">-7903864</ferc:NetIncreaseDecreaseInCashAndCashEquivalents>
  <ferc:NetIncreaseDecreaseInCashAndCashEquivalents id="Tag153" contextRef="C3" unitRef="USD" decimals="0">-19153901</ferc:NetIncreaseDecreaseInCashAndCashEquivalents>
  <ferc:CashAndCashEquivalents id="Tag154" contextRef="C24" unitRef="USD" decimals="0">41356405</ferc:CashAndCashEquivalents>
  <ferc:CashAndCashEquivalents id="Tag155" contextRef="C32" unitRef="USD" decimals="0">35145247</ferc:CashAndCashEquivalents>
  <ferc:CashAndCashEquivalents id="Tag156" contextRef="C2" unitRef="USD" decimals="0">33452541</ferc:CashAndCashEquivalents>
  <ferc:CashAndCashEquivalents id="Tag157" contextRef="C4" unitRef="USD" decimals="0">15991346</ferc:CashAndCashEquivalents>
  <ferc:SalariesAndWagesOperationsAndMaintenance id="Tag158" contextRef="C71" unitRef="USD" decimals="0">1800137</ferc:SalariesAndWagesOperationsAndMaintenance>
  <ferc:SalariesAndWagesOperationsAndMaintenance id="Tag159" contextRef="C62" unitRef="USD" decimals="0">1800137</ferc:SalariesAndWagesOperationsAndMaintenance>
  <ferc:SalariesAndWagesOperationsAndMaintenance id="Tag160" contextRef="C1" unitRef="USD" decimals="0">1800137</ferc:SalariesAndWagesOperationsAndMaintenance>
  <ferc:MaterialsAndSuppliesOperationsAndMaintenance id="Tag161" contextRef="C71" unitRef="USD" decimals="0">921904</ferc:MaterialsAndSuppliesOperationsAndMaintenance>
  <ferc:MaterialsAndSuppliesOperationsAndMaintenance id="Tag162" contextRef="C62" unitRef="USD" decimals="0">921904</ferc:MaterialsAndSuppliesOperationsAndMaintenance>
  <ferc:MaterialsAndSuppliesOperationsAndMaintenance id="Tag163" contextRef="C1" unitRef="USD" decimals="0">921904</ferc:MaterialsAndSuppliesOperationsAndMaintenance>
  <ferc:OutsideServicesOperationsAndMaintenance id="Tag164" contextRef="C71" unitRef="USD" decimals="0">1109356</ferc:OutsideServicesOperationsAndMaintenance>
  <ferc:OutsideServicesOperationsAndMaintenance id="Tag165" contextRef="C62" unitRef="USD" decimals="0">1109356</ferc:OutsideServicesOperationsAndMaintenance>
  <ferc:OutsideServicesOperationsAndMaintenance id="Tag166" contextRef="C1" unitRef="USD" decimals="0">1109356</ferc:OutsideServicesOperationsAndMaintenance>
  <ferc:OperatingFuelAndPowerOperationsAndMaintenance id="Tag167" contextRef="C71" unitRef="USD" decimals="0">21926558</ferc:OperatingFuelAndPowerOperationsAndMaintenance>
  <ferc:OperatingFuelAndPowerOperationsAndMaintenance id="Tag168" contextRef="C62" unitRef="USD" decimals="0">21926558</ferc:OperatingFuelAndPowerOperationsAndMaintenance>
  <ferc:OperatingFuelAndPowerOperationsAndMaintenance id="Tag169" contextRef="C1" unitRef="USD" decimals="0">21926558</ferc:OperatingFuelAndPowerOperationsAndMaintenance>
  <ferc:OilLossesAndShortagesOperationsAndMaintenance id="Tag170" contextRef="C71" unitRef="USD" decimals="0">-805623</ferc:OilLossesAndShortagesOperationsAndMaintenance>
  <ferc:OilLossesAndShortagesOperationsAndMaintenance id="Tag171" contextRef="C62" unitRef="USD" decimals="0">-805623</ferc:OilLossesAndShortagesOperationsAndMaintenance>
  <ferc:OilLossesAndShortagesOperationsAndMaintenance id="Tag172" contextRef="C1" unitRef="USD" decimals="0">-805623</ferc:OilLossesAndShortagesOperationsAndMaintenance>
  <ferc:RentalsOperationsAndMaintenance id="Tag173" contextRef="C71" unitRef="USD" decimals="0">107758</ferc:RentalsOperationsAndMaintenance>
  <ferc:RentalsOperationsAndMaintenance id="Tag174" contextRef="C62" unitRef="USD" decimals="0">107758</ferc:RentalsOperationsAndMaintenance>
  <ferc:RentalsOperationsAndMaintenance id="Tag175" contextRef="C1" unitRef="USD" decimals="0">107758</ferc:RentalsOperationsAndMaintenance>
  <ferc:OtherExpensesOperationsAndMaintenance id="Tag176" contextRef="C71" unitRef="USD" decimals="0">311855</ferc:OtherExpensesOperationsAndMaintenance>
  <ferc:OtherExpensesOperationsAndMaintenance id="Tag177" contextRef="C62" unitRef="USD" decimals="0">311855</ferc:OtherExpensesOperationsAndMaintenance>
  <ferc:OtherExpensesOperationsAndMaintenance id="Tag178" contextRef="C1" unitRef="USD" decimals="0">311855</ferc:OtherExpensesOperationsAndMaintenance>
  <ferc:OperationsAndMaintenanceExpensesOil id="Tag179" contextRef="C71" unitRef="USD" decimals="0">25371945</ferc:OperationsAndMaintenanceExpensesOil>
  <ferc:OperationsAndMaintenanceExpensesOil id="Tag180" contextRef="C62" unitRef="USD" decimals="0">25371945</ferc:OperationsAndMaintenanceExpensesOil>
  <ferc:OperationsAndMaintenanceExpensesOil id="Tag181" contextRef="C1" unitRef="USD" decimals="0">25371945</ferc:OperationsAndMaintenanceExpensesOil>
  <ferc:MaterialsAndSuppliesGeneralExpense id="Tag182" contextRef="C71" unitRef="USD" decimals="0">52382</ferc:MaterialsAndSuppliesGeneralExpense>
  <ferc:MaterialsAndSuppliesGeneralExpense id="Tag183" contextRef="C62" unitRef="USD" decimals="0">52382</ferc:MaterialsAndSuppliesGeneralExpense>
  <ferc:MaterialsAndSuppliesGeneralExpense id="Tag184" contextRef="C1" unitRef="USD" decimals="0">52382</ferc:MaterialsAndSuppliesGeneralExpense>
  <ferc:OutsideServicesGeneralExpense id="Tag185" contextRef="C71" unitRef="USD" decimals="0">919505</ferc:OutsideServicesGeneralExpense>
  <ferc:OutsideServicesGeneralExpense id="Tag186" contextRef="C62" unitRef="USD" decimals="0">919505</ferc:OutsideServicesGeneralExpense>
  <ferc:OutsideServicesGeneralExpense id="Tag187" contextRef="C1" unitRef="USD" decimals="0">919505</ferc:OutsideServicesGeneralExpense>
  <ferc:DepreciationAndAmortizationGeneralExpense id="Tag188" contextRef="C71" unitRef="USD" decimals="0">37726332</ferc:DepreciationAndAmortizationGeneralExpense>
  <ferc:DepreciationAndAmortizationGeneralExpense id="Tag189" contextRef="C62" unitRef="USD" decimals="0">37726332</ferc:DepreciationAndAmortizationGeneralExpense>
  <ferc:DepreciationAndAmortizationGeneralExpense id="Tag190" contextRef="C1" unitRef="USD" decimals="0">37726332</ferc:DepreciationAndAmortizationGeneralExpense>
  <ferc:EmployeeBenefitsGeneralExpense id="Tag191" contextRef="C71" unitRef="USD" decimals="0">352795</ferc:EmployeeBenefitsGeneralExpense>
  <ferc:EmployeeBenefitsGeneralExpense id="Tag192" contextRef="C62" unitRef="USD" decimals="0">352795</ferc:EmployeeBenefitsGeneralExpense>
  <ferc:EmployeeBenefitsGeneralExpense id="Tag193" contextRef="C1" unitRef="USD" decimals="0">352795</ferc:EmployeeBenefitsGeneralExpense>
  <ferc:InsuranceGeneralExpense id="Tag194" contextRef="C71" unitRef="USD" decimals="0">3044</ferc:InsuranceGeneralExpense>
  <ferc:InsuranceGeneralExpense id="Tag195" contextRef="C62" unitRef="USD" decimals="0">3044</ferc:InsuranceGeneralExpense>
  <ferc:InsuranceGeneralExpense id="Tag196" contextRef="C1" unitRef="USD" decimals="0">3044</ferc:InsuranceGeneralExpense>
  <ferc:CasualtyAndOtherLossesGeneralExpense id="Tag197" contextRef="C71" unitRef="USD" decimals="0">25365</ferc:CasualtyAndOtherLossesGeneralExpense>
  <ferc:CasualtyAndOtherLossesGeneralExpense id="Tag198" contextRef="C62" unitRef="USD" decimals="0">25365</ferc:CasualtyAndOtherLossesGeneralExpense>
  <ferc:CasualtyAndOtherLossesGeneralExpense id="Tag199" contextRef="C1" unitRef="USD" decimals="0">25365</ferc:CasualtyAndOtherLossesGeneralExpense>
  <ferc:PipelineTaxesGeneralExpense id="Tag200" contextRef="C71" unitRef="USD" decimals="0">7199211</ferc:PipelineTaxesGeneralExpense>
  <ferc:PipelineTaxesGeneralExpense id="Tag201" contextRef="C62" unitRef="USD" decimals="0">7199211</ferc:PipelineTaxesGeneralExpense>
  <ferc:PipelineTaxesGeneralExpense id="Tag202" contextRef="C1" unitRef="USD" decimals="0">7199211</ferc:PipelineTaxesGeneralExpense>
  <ferc:OtherExpensesGeneralExpense id="Tag203" contextRef="C71" unitRef="USD" decimals="0">3957</ferc:OtherExpensesGeneralExpense>
  <ferc:OtherExpensesGeneralExpense id="Tag204" contextRef="C62" unitRef="USD" decimals="0">3957</ferc:OtherExpensesGeneralExpense>
  <ferc:OtherExpensesGeneralExpense id="Tag205" contextRef="C1" unitRef="USD" decimals="0">3957</ferc:OtherExpensesGeneralExpense>
  <ferc:GeneralExpensesOil id="Tag206" contextRef="C71" unitRef="USD" decimals="0">46282591</ferc:GeneralExpensesOil>
  <ferc:GeneralExpensesOil id="Tag207" contextRef="C62" unitRef="USD" decimals="0">46282591</ferc:GeneralExpensesOil>
  <ferc:GeneralExpensesOil id="Tag208" contextRef="C1" unitRef="USD" decimals="0">46282591</ferc:GeneralExpensesOil>
  <ferc:OperatingExpenses id="Tag209" contextRef="C71" unitRef="USD" decimals="0">71654536</ferc:OperatingExpenses>
  <ferc:OperatingExpenses id="Tag210" contextRef="C62" unitRef="USD" decimals="0">71654536</ferc:OperatingExpenses>
  <ferc:StateOfOrigin id="Tag211" contextRef="C60">Texas</ferc:StateOfOrigin>
  <ferc:NumberOfBarrelsReceivedFromConnectingCarriers id="Tag212" contextRef="C60" unitRef="Barrel" decimals="0">119458487</ferc:NumberOfBarrelsReceivedFromConnectingCarriers>
  <ferc:NumberOfBarrelsReceivedOnTrunkLines id="Tag213" contextRef="C60" unitRef="Barrel" decimals="0">662000</ferc:NumberOfBarrelsReceivedOnTrunkLines>
  <ferc:NumberOfBarrelsReceived id="Tag214" contextRef="C60" unitRef="Barrel" decimals="0">120120487</ferc:NumberOfBarrelsReceived>
  <ferc:StateOfOrigin id="Tag215" contextRef="C61">Delivered Out</ferc:StateOfOrigin>
  <ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers id="Tag216" contextRef="C61" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers>
  <ferc:NumberOfBarrelsDeliveredOut id="Tag217" contextRef="C61" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOut>
  <ferc:NumberOfBarrelsReceivedFromConnectingCarriers id="Tag218" contextRef="C62" unitRef="Barrel" decimals="0">119458487</ferc:NumberOfBarrelsReceivedFromConnectingCarriers>
  <ferc:NumberOfBarrelsReceivedOnTrunkLines id="Tag219" contextRef="C62" unitRef="Barrel" decimals="0">662000</ferc:NumberOfBarrelsReceivedOnTrunkLines>
  <ferc:NumberOfBarrelsReceived id="Tag220" contextRef="C62" unitRef="Barrel" decimals="0">120120487</ferc:NumberOfBarrelsReceived>
  <ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers id="Tag221" contextRef="C62" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers>
  <ferc:NumberOfBarrelsDeliveredOut id="Tag222" contextRef="C62" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOut>
  <ferc:NumberOfBarrelsReceivedFromConnectingCarriers id="Tag223" contextRef="C1" unitRef="Barrel" decimals="0">119458487</ferc:NumberOfBarrelsReceivedFromConnectingCarriers>
  <ferc:NumberOfBarrelsReceivedOnTrunkLines id="Tag224" contextRef="C1" unitRef="Barrel" decimals="0">662000</ferc:NumberOfBarrelsReceivedOnTrunkLines>
  <ferc:NumberOfBarrelsReceived id="Tag225" contextRef="C1" unitRef="Barrel" decimals="0">120120487</ferc:NumberOfBarrelsReceived>
  <ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers id="Tag226" contextRef="C1" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOutToConnectingCarriers>
  <ferc:NumberOfBarrelsDeliveredOut id="Tag227" contextRef="C1" unitRef="Barrel" decimals="0">120238407</ferc:NumberOfBarrelsDeliveredOut>
  <ferc:OrderNumber id="Tag228" contextRef="C65" unitRef="Pure" decimals="0">2</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag229" contextRef="C66" unitRef="Pure" decimals="0">3</ferc:OrderNumber>
  <ferc:OrderNumber id="Tag230" contextRef="C67" unitRef="Pure" decimals="0">6</ferc:OrderNumber>
  <ferc:TrunkRevenues id="Tag231" contextRef="C62" unitRef="USD" decimals="0">156392411</ferc:TrunkRevenues>
  <ferc:TrunkRevenues id="Tag232" contextRef="C1" unitRef="USD" decimals="0">156392411</ferc:TrunkRevenues>
  <ferc:AllowanceOilRevenue id="Tag233" contextRef="C62" unitRef="USD" decimals="0">16496860</ferc:AllowanceOilRevenue>
  <ferc:AllowanceOilRevenue id="Tag234" contextRef="C1" unitRef="USD" decimals="0">16496860</ferc:AllowanceOilRevenue>
  <ferc:OperatingRevenues id="Tag235" contextRef="C62" unitRef="USD" decimals="0">172889271</ferc:OperatingRevenues>
  <ferc:AttestationName id="Tag236" contextRef="C1">Russ Montgomery</ferc:AttestationName>
  <ferc:AttestationTitle id="Tag237" contextRef="C1">Vice President &amp; Controller</ferc:AttestationTitle>
  <ferc:CorporateOfficerCertificationSignature id="Tag238" contextRef="C1">Russ Montgomery</ferc:CorporateOfficerCertificationSignature>
  <ferc:AttestationDate id="Tag239" contextRef="C1">2025-09-05</ferc:AttestationDate>
  <ferc:FormType id="Tag240" contextRef="C1">6-Q</ferc:FormType>
  <ferc:RespondentLegalName id="Tag241" contextRef="C1">Cactus II Pipeline LLC</ferc:RespondentLegalName>
  <ferc:CompanyIdentifier id="Tag242" contextRef="C1">C010308</ferc:CompanyIdentifier>
  <ferc:ReportYear id="Tag243" contextRef="C1" unitRef="Pure" decimals="0">2025</ferc:ReportYear>
  <ferc:ReportPeriod id="Tag244" contextRef="C1">Q2</ferc:ReportPeriod>
  <ferc:AddressOfPrincipalOfficeAtEndOfPeriod id="Tag245" contextRef="C1">333 Clay Street, Suite 1600, Houston, Texas, 77002</ferc:AddressOfPrincipalOfficeAtEndOfPeriod>
  <ferc:NameOfContactPerson id="Tag246" contextRef="C1">Douglas Pearson</ferc:NameOfContactPerson>
  <ferc:TitleOfContactPerson id="Tag247" contextRef="C1">Manager of Joint Venture Accounting</ferc:TitleOfContactPerson>
  <ferc:AddressOfContactPerson id="Tag248" contextRef="C1">333 Clay Street, Suite 1600, Houston, Texas, 77002</ferc:AddressOfContactPerson>
  <ferc:TelephoneOfContactPerson id="Tag249" contextRef="C1">713-993-5275</ferc:TelephoneOfContactPerson>
  <ferc:SubmissionType id="Tag250" contextRef="C1">O</ferc:SubmissionType>
  <ferc:ReportDate id="Tag251" contextRef="C1">2025-09-05</ferc:ReportDate>
  <ferc:VendorName id="Tag252" contextRef="C1">IRIS Carbon</ferc:VendorName>
  <link:footnoteLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:label="value4" xlink:href="#Tag51" />
    <link:loc xlink:type="locator" xlink:label="value3" xlink:href="#Tag107" />
    <link:footnote xlink:type="resource" xml:lang="en-US" xlink:label="footnote3" xlink:role="http://www.xbrl.org/2003/role/footnote" xmlns="http://www.w3.org/1999/xhtml">
      <xhtml:div xmlns="http://www.w3.org/1999/xhtml">
        <xhtml:p>Current year distributions were $127,550,000, which exceeded the positive balance in unappropriated retained income by $26,796,548 as of June 30, 2025. Such excess was recorded against additional paid-in capital.</xhtml:p>
      </xhtml:div>
    </link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:from="value3" xlink:to="footnote3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" order="3" />
    <link:footnote xlink:type="resource" xml:lang="en-US" xlink:label="footnote4" xlink:role="http://www.xbrl.org/2003/role/footnote" xmlns="http://www.w3.org/1999/xhtml">
      <xhtml:div xmlns="http://www.w3.org/1999/xhtml">
        <xhtml:p>Current year distributions were $127,550,000, which exceeded the positive balance in unappropriated retained income by $26,796,548 as of June 30, 2025. Such excess was recorded against additional paid-in capital.</xhtml:p>
      </xhtml:div>
    </link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:from="value4" xlink:to="footnote4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" order="4" />
  </link:footnoteLink>
</xbrli:xbrl>
