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        <PersonNm>ROBERT BLACK</PersonNm>
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        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>74439</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTI HOBBS</PersonNm>
        <TitleTxt>VP, SYSTEM PLANNING &amp; WEATHERIZATION</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>431032</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>71327</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JONATHAN LEVINE</PersonNm>
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        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>71665</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LESLIE WILEY</PersonNm>
        <TitleTxt>DIRECTOR, TREASURER</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NATHAN BIGBEE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>75182</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRANDON GLEASON</PersonNm>
        <TitleTxt>DEPUTY GENERAL COUNSEL</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <OtherCompensationAmt>55635</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JIMMY HARTMANN</PersonNm>
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        <OtherCompensationAmt>67568</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVE MAGGIO</PersonNm>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <OtherCompensationAmt>55596</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>BRYAN HANLEY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN MESSER</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>255630</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54871</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>AJAY MANNEPALLI</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotalReportableCompFromOrgAmt>11851197</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>1424309</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>659</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>1</FormerOfcrEmployeesListedInd>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>NEXTSOURCEINC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>NY</StateAbbreviationCd>
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        <ServicesDesc>CONTINGENT WORKFORCE</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HITACHI ENERGY USA</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SIRIUS COMPUTER SOLUTIONS INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 202289</AddressLine1Txt>
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        <ServicesDesc>IT CONSULTING</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WINSTEAD PC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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        </ContractorAddress>
        <ServicesDesc>LEGAL SERVICES</ServicesDesc>
        <CompensationAmt>1812015</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>43</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>SYSTEM ADMINISTRATION</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>247479363</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>247479363</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>SECURITIZATION CHARGES</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>114541781</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>114541781</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>WEATHERIZATION INSPECT</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>4633307</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4633307</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONNECTIVITY TO ERCOT</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>4557721</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4557721</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>WAN</Desc>
        <BusinessCd>221000</BusinessCd>
        <TotalRevenueColumnAmt>2469608</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2469608</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>1184146</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1184146</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>374865926</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>113162041</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>111804096</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>1357945</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>488027967</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>486670022</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1357945</ExclusionAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>10605484</TotalAmt>
        <ProgramServicesAmt>2784959</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7820525</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>25639397</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>14883150</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3244782</ManagementAndGeneralAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>10921327</TotalAmt>
        <ProgramServicesAmt>8577201</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2344126</ManagementAndGeneralAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>9717467</TotalAmt>
        <ProgramServicesAmt>7742893</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1974574</ManagementAndGeneralAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>1817703</TotalAmt>
        <ProgramServicesAmt>308998</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1508705</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ProgramServicesAmt>66000</ProgramServicesAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>509315</ManagementAndGeneralAmt>
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      <OfficeExpensesGrp>
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        <ProgramServicesAmt>827402</ProgramServicesAmt>
        <ManagementAndGeneralAmt>400610</ManagementAndGeneralAmt>
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      <InformationTechnologyGrp>
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        <ProgramServicesAmt>3091026</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>5258982</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>631623</ProgramServicesAmt>
        <ManagementAndGeneralAmt>401147</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>114997722</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1181191</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>27144149</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>7417816</ManagementAndGeneralAmt>
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        <Desc>HARDWARE AND SOFTWARE</Desc>
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      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
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        <ProgramServicesAmt>2593272</ProgramServicesAmt>
        <ManagementAndGeneralAmt>457560</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>199056</ProgramServicesAmt>
        <ManagementAndGeneralAmt>173695</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>331554085</ProgramServicesAmt>
        <ManagementAndGeneralAmt>71236973</ManagementAndGeneralAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>57081151</EOYAmt>
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      <SavingsAndTempCashInvstGrp>
        <BOYAmt>4195436322</BOYAmt>
        <EOYAmt>3294190716</EOYAmt>
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        <EOYAmt>30031126</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>41701109</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>1090384267</LandBldgEquipCostOrOtherBssAmt>
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      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>184241246</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>585099840</EOYAmt>
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        <EOYAmt>2443348815</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>6964387654</BOYAmt>
        <EOYAmt>6635694003</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>100098110</EOYAmt>
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      <DeferredRevenueGrp>
        <BOYAmt>7669988</BOYAmt>
        <EOYAmt>9002488</EOYAmt>
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        <EOYAmt>3776151267</EOYAmt>
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        <EOYAmt>878617</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>6809285480</BOYAmt>
        <EOYAmt>6385298428</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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        <BOYAmt>155102174</BOYAmt>
        <EOYAmt>250395575</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>155102174</BOYAmt>
        <EOYAmt>250395575</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>6964387654</BOYAmt>
        <EOYAmt>6635694003</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>85236909</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>10056492</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
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        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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      <InclEscrowCustodialAcctLiabInd>1</InclEscrowCustodialAcctLiabInd>
      <ExplanationProvidedInd>X</ExplanationProvidedInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>2242310</OtherCostOrOtherBasisAmt>
        <BookValueAmt>2242310</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>111359461</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>53936095</DepreciationAmt>
        <BookValueAmt>57423366</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>147426387</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>126016239</DepreciationAmt>
        <BookValueAmt>21410148</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>829356109</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>726190687</DepreciationAmt>
        <BookValueAmt>103165422</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>184241246</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>SECURITIZATION CHARGES RECEIVABLE, NON-CURRENT</Desc>
        <BookValueAmt>2388483565</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>SECURITIZATION CHARGES, CURRENT</Desc>
        <BookValueAmt>53850263</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>OPERATING LEASE ROU ASSET, NON-CURRENT</Desc>
        <BookValueAmt>914745</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>401K FORFEITURES/RCP</Desc>
        <BookValueAmt>100242</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>2443348815</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITY, NON-CURRENT</Desc>
        <Amt>507794</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACCR. POST RET. BENEFIT OBLIGATION</Desc>
        <Amt>195730</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITY, CURRENT</Desc>
        <Amt>175093</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>878617</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IV, LINE 2B:</FormAndLineReferenceDesc>
        <ExplanationTxt>ERCOT IS THE CENTRAL COUNTERPARTY FOR ALL TRANSACTIONS SETTLED BY ERCOT PURSUANT TO ERCOT PROTOCOLS AND IS DEEMED TO BE THE SOLE BUYER TO EACH SELLER, AND THE SOLE SELLER TO EACH BUYER, OF ALL ENERGY, ANCILLARY SERVICES, RELIABILITY UNIT COMMITMENTS (RUCS), EMERGENCY RESPONSE SERVICE (ERS), AND OTHER PRODUCTS OR SERVICES FOR WHICH ERCOT MAY PAY OR CHARGE A MARKET PARTICIPANT EXCEPT FOR THOSE PRODUCTS OR SERVICES THAT ARE SELF-ARRANGED BY MARKET PARTICIPANTS. ERCOT PERFORMS SETTLEMENTS FOR ALL TRANSACTIONS SUBJECT TO THE FINANCIAL SETTLEMENT PROCESS IN ACCORDANCE WITH ERCOT PROTOCOLS. THE SETTLEMENT PROCESS IS USED TO RESOLVE FINANCIAL OBLIGATIONS FOR MARKET SERVICES PROCURED THROUGH ERCOT FOR REGISTERED MARKET PARTICIPANTS. ADDITIONALLY, AS REQUIRED BY ERCOT PROTOCOLS, ERCOT EXECUTES AUCTIONS FOR CONGESTION REVENUE RIGHTS MONTHLY AND ANNUALLY AND DISTRIBUTES PROCEEDS FROM THESE AUCTIONS TO MARKET PARTICIPANTS AS REQUIRED BY ERCOT PROTOCOLS. MARKET PARTICIPANTS NOT MEETING CERTAIN CREDITWORTHINESS STANDARDS REFERENCED IN ERCOT PROTOCALS MUST MAINTAIN A MEANS OF SECURITY WITH THE COMPANY IN ORDER TO MITIGATE MARKET CREDIT RISK. MARKET PARTICIPANTS HAVE DISCRETION IN THE MEANS OF SECURITY, SUCH AS CORPORATE GUARANTIES, LETTERS OF CREDIT, SURETY BONDS, OR CASH SECURITY DEPOSITS PROVIDED THE MARKET PARTICIPANTS REMAIN IN COMPLIANCE WITH ERCOT PROTOCOLS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ERCOT IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(A) OF THE INTERNAL REVENUE CODE AS AN ORGANIZATION DESCRIBED IN SECTION 501(C)(4). THE COMPANY IS ALSO EXEMPT FROM STATE INCOME TAXES. ACCORDINGLY, NO PROVISION FOR INCOME TAXES OR UNCERTAIN TAX POSITIONS HAS BEEN REFLECTED IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART IX, LINE 3, PART X, LINE 1, ROWS 2 AND 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>AFTER ADOPTING ASU NO. 2016-02, LESSEES ARE REQUIRED TO RECOGNIZE THE RIGHTS AND OBLIGATIONS RESULTING FROM LEASES AS ASSETS AND LIABILITIES. ERCOT'S NON-CANCELABLE OPERATING LEASES ARE FOR OFFICE FACILITIES AND OFFICE AND TELECOMMUNICATION EQUIPMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JONATHAN LEVINE</PersonNm>
        <TitleTxt>ASST. GC &amp; ASST. CORP. SEC.</TitleTxt>
        <BaseCompensationFilingOrgAmt>251088</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>50260</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>318</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>44151</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>27514</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>373331</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVE MAGGIO</PersonNm>
        <TitleTxt>PRINCIPAL, COMMERICAL OPERATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>251377</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>65065</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>318</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>43500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12096</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>372356</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRYAN HANLEY</PersonNm>
        <TitleTxt>SR. DIRECTOR, IT INFRASTRUCTURE</TitleTxt>
        <BaseCompensationFilingOrgAmt>296865</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>376</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>43500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>27788</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>368529</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LESLIE WILEY</PersonNm>
        <TitleTxt>DIRECTOR, TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>227243</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>65387</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>285</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>42526</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9374</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>344815</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHN MESSER</PersonNm>
        <TitleTxt>DIRECTOR, MARKET APPLICATION SERVICE</TitleTxt>
        <BaseCompensationFilingOrgAmt>255308</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>322</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>37359</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>17512</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>310501</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>AJAY MANNEPALLI</PersonNm>
        <TitleTxt>DIRECTOR, IT ARCH. &amp; STRATEGY</TitleTxt>
        <BaseCompensationFilingOrgAmt>238873</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>305</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>35351</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>30113</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>304642</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BILL FLORES</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <BaseCompensationFilingOrgAmt>150052</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150052</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>SHORT-TERM INCENTIVE PLAN (STIP) - ALL ERCOT EMPLOYEES ARE ELIGIBLE PARTICIPANTS IN THE STIP. TARGET AMOUNTS ARE DETERMINED BY JOB LEVEL AND WEIGHTINGS DIFFER BETWEEN EXECUTIVE STAFF AND NON-EXECUTIVE STAFF. WEIGHTINGS ARE BASED ON THE COMPLETION OF CORPORATE GOALS AND EMPLOYEE PERFORMANCE GOALS. ANNUAL INCENTIVE PAYMENTS ARE GRANTED IN Q1 OF THE FOLLOWING YEAR IN WHICH EARNED. LONG TERM INCENTIVE PLAN (LTIP) - ERCOT EXECUTIVES, DIRECTORS, AND PRINCIPALS ARE ELIGIBLE PARTICIPANTS IN THE LTIP. THE LTIP PERFORMANCE PERIOD IS A THREE-YEAR DURATION AND PAYMENTS ARE PAID IN Q1 OF THE YEAR FOLLOWING THE PERFORMANCE PERIOD. TARGET AMOUNTS ARE DETERMINED BY JOB LEVEL AND WEIGHTS BASED ON THE COMPLETION OF CORPORATE GOALS FOR THE PERFORMANCE PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART I, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTRIC RELIABILITY COUNCIL OF TEXAS, INC. (ERCOT) LESSENS THE BURDENS OF GOVERNMENT, SERVES THE PUBLIC INTEREST BY, AND FULFILLS ITS STATUTORY OBLIGATION BY: (I) ENSURING OPEN ACCESS TO TRANSMISSION AND DISTRIBUTION SYSTEMS; (II) MAINTAINING SYSTEM RELIABILITY AND OPERATIONS; (III) ENABLING RETAIL CHOICE; (IV) OPERATING FAIR AND COMPETITIVE WHOLESALE MARKETS; (V) MAINTAINING THE RENEWABLE ENERGY CREDITS REGISTRY; AND (VI) PROVIDING LEADERSHIP AND INDEPENDENT EXPERTISE TO IMPROVE SYSTEM RELIABILITY AND MARKET EFFICIENCY. ERCOT MANAGES THE FLOW OF ELECTRIC POWER TO MORE THAN 26 MILLION TEXAS CUSTOMERS REPRESENTING ABOUT 90 PERCENT OF THE STATE'S ELECTRIC LOAD. AS THE INDEPENDENT SYSTEM OPERATOR FOR THE REGION, ERCOT SCHEDULES POWER ON AN ELECTRIC GRID THAT CONNECTS MORE THAN 54,100 MILES OF TRANSMISSION LINES AND 1,250 GENERATION UNITS. ERCOT ALSO PERFORMS FINANCIAL SETTLEMENT FOR THE COMPETITIVE WHOLESALE BULK-POWER MARKET AND ADMINISTERS RETAIL SWITCHING FOR NEARLY 8 MILLION PREMISES IN COMPETITIVE CHOICE AREAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>ERCOT IS GOVERNED BY A BOARD OF DIRECTORS COMPOSED OF 12 DIRECTORS (NINE VOTING, AND THREE NON-VOTING). EIGHT OF THE VOTING DIRECTORS ARE SELECTED BY A STATUTORILY CREATED ERCOT BOARD SELECTION COMMITTEE AND MAY NOT HAVE FIDUCIARY DUTY OR ASSETS IN THE ELECTRICITY MARKET FOR THE ERCOT REGION. THE REMAINING VOTING DIRECTOR IS AN EX OFFICIO DIRECTOR, THE PUBLIC COUNSEL. THE THREE NON-VOTING DIRECTORS ARE ALSO EX OFFICIO, THAT IS, THE CHAIR OF THE PUBLIC UTILITY COMMISSION OF TEXAS, A SECOND COMMISSIONER OF THE PUBLIC UTILITY COMMISSION OF TEXAS WHO ROTATES ANNUALLY, AND ERCOT'S CHIEF EXECUTIVE OFFICER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AS OF DECEMBER 31, 2023, ERCOT'S MEMBERSHIP INCLUDED 340 VOTING AND NON-VOTING MEMBERS. ERCOT MEMBERS MAY BE CORPORATE MEMBERS, ASSOCIATE MEMBERS, OR ADJUNCT MEMBERS. CORPORATE AND ASSOCIATE MEMBERS QUALIFY IN ONE OF SEVEN SEGMENTS: COOPERATIVE; INDEPENDENT GENERATOR; INDEPENDENT POWER MARKETER; INDEPENDENT RETAIL ELECTRIC PROVIDER; INVESTOR OWNED UTILITY; MUNICIPAL (I.E. A MUNICIPAL-OWNED UTILITY OR A RIVER AUTHORITY); OR CONSUMER (WHICH HAS SUBSEGMENTS INCLUDING COMMERCIAL, INDUSTRIAL AND RESIDENTIAL). AN ENTITY MAY BE APPROVED FOR ADJUNCT MEMBERSHIP BY THE BOARD OF DIRECTORS IF SUCH ENTITY DOES NOT MEET THE DEFINITIONS AND REQUIREMENTS TO JOIN AS A CORPORATE OR ASSOCIATE MEMBER. CORPORATE MEMBERS HAVE THE RIGHT TO SELECT TECHNICAL ADVISORY COMMITTEE (TAC) AND TAC SUBCOMMITTEE REPRESENTATIVES AND THE RIGHT TO BE ELECTED OR APPOINTED TO TAC AND TAC SUBCOMMITTEES. ASSOCIATE AND ADJUNCT MEMBERS DO NOT HAVE THE RIGHT TO SELECT TAC AND TAC SUBCOMMITTEE RERESENTATIVES, AND ADJUNCT MEMBERS DO NOT HAVE THE RIGHT TO BE ELECTED OR APPOINTED TO TAC OR TAC SUBCOMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EIGHT OF THE TWELVE DIRECTORS ARE APPOINTED BY THE ERCOT BOARD SELECTION COMMITTEE. THE ERCOT BOARD SELECTION COMMITTEE IS COMPRISED OF ONE MEMBER APPOINTED BY THE TEXAS GOVERNOR, ONE MEMBER APPOINTED BY THE TEXAS LIEUTENANT GOVERNOR, AND ONE MEMBER APPOINTED BY THE TEXAS SPEAKER OF THE HOUSE OF REPRESENTATIVES. THESE DIRECTORS MUST HAVE EXECUTIVE LEVEL EXPERIENCE IN ANY OF THE FOLLOWING PROFESSIONS: FINANCE, BUSINESS, ENGINEERING (INCLUDING ELECTRICAL ENGINEERING), TRADING, RISK MANAGEMENT, LAW, OR ELECTRIC MARKET DESIGN. THE REMAINING VOTING DIRECTOR IS THE EX OFFICIO PUBLIC COUNSEL DIRECTOR. THE THREE NON-VOTING DIRECTORS ARE ALSO EX OFFICIO DIRECTORS, THAT IS, CHAIR OF THE PUBLIC UTILITY COMMISSION OF TEXAS, A SECOND COMMISSIONER OF THE PUBLIC UTILITY COMMISSION OF TEXAS WHO ROTATES ANNUALLY, AND ERCOT'S CHIEF EXECUTIVE OFFICER. ALL TWELVE DIRECTORS MUST BE RESIDENTS OF STATE OF TEXAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>DECISIONS OF THE ERCOT BOARD ARE GENERALLY APPEALABLE TO THE PUBLIC UTILITY COMMISSION OF TEXAS, AN AGENCY OF THE STATE OF TEXAS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 2023 FORM 990 WAS PREPARED INITIALLY BY THE FINANCE DEPARTMENT OF ERCOT. IT WAS REVIEWED BY ERCOT OFFICERS AS WELL AS INTERNAL LEGAL COUNSEL, AND SUBMITTED FOR REVIEW BY ERCOT'S INDEPENDENT AUDITORS. THE FORM 990 WAS PROVIDED TO THE BOARD OF DIRECTORS IN ADVANCE OF, AND FOR ITS CONSIDERATION AND INPUT AT ITS MEETING ON JUNE 18, 2024. THE FINAL VERSION OF THE 2023 FORM 990, INCORPORATING THE COMMENTS OF ALL FOREGOING, WAS THEN FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH DIRECTOR ANNUALLY MUST EXECUTE AN ETHICS AGREEMENT FOR DIRECTORS, AND EACH EMPLOYEE ANNUALLY MUST ATTEND INTERNAL TRAINING SESSIONS AND EXECUTE AN EMPLOYEE ETHICS AGREEMENT. PURSUANT TO EACH ETHICS AGREEMENT, A SIGNATORY HAS AN AFFIRMATIVE DUTY TO DISCLOSE ANY ACTUAL OR POTENTIAL CONFLICTS OF INTEREST OF THE SIGNATORY AND ALSO MUST DISCLOSE ALL PERSONAL RELATIONSHIPS WITH ERCOT VENDORS, INCLUDING BUSINESS OR DIRECT OR INDIRECT OWNERSHIP INTERESTS. ANY CONFLICT OF INTEREST ISSUE INVOLVING A DIRECTOR IS REFERRED TO THE ERCOT GENERAL COUNSEL WHO, IN CONSULTATION WITH THE BOARD CHAIR AND OUTSIDE LEGAL COUNSEL, IF AND WHEN NECESSARY, MAKES A LEGAL DETERMINATION AS TO WHETHER A CONFLICT EXISTS AND, IF SO, A RECOMMENDATION AS TO HOW IT MAY BE RESOLVED. ANY CONFLICT AND ITS RESOLUTION ARE REPORTED TO THE FULL BOARD OF DIRECTORS AND TO THE HUMAN RESOURCES AND GOVERNANCE (HR&amp;G) COMMITTEE OF THE BOARD, AS NEEDED. ANY OBJECTION TO THE RECOMMENDATION IS RESOLVED BY THE HR&amp;G COMMITTEE OR THE FULL BOARD. ANY ERCOT EMPLOYEE CONFLICTS ARE EVALUATED BY THE ERCOT LEGAL STAFF, AND THE LEGAL STAFF MAKES A RECOMMENDATION TO RESOLVE THE CONFLICT OF INTEREST. IF THE ERCOT LEGAL STAFF RECOMMENDS A RESOLUTION THAT IS OBJECTIONABLE TO THE MANAGER/DIRECTOR/OFFICER OF THE CONFLICTED EMPLOYEE, THE LEGAL DECISION REFERRED TO THE CHIEF EXECUTIVE OFFICER AND ULTIMATELY TO THE BOARD'S HR&amp;G COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>IN DETERMINING COMPENSATION FOR THE CHIEF EXECUTIVE OFFICER, ERCOT FOLLOWS A PROCEDURE WHICH ENSURES THAT (I) COMPENSATION IS APPROVED IN ADVANCE BY THE HR&amp;G COMMITTEE OF THE BOARD OF DIRECTORS AND THE BOARD ITSELF, (II) THE BOARD AND THE HR&amp;G COMMITTEE OBTAINS AND RELIES UPON APPROPRIATE DATA FOR COMPARABILITY, (III) THE BOARD AND THE HR&amp;G COMMITTEE EACH ADEQUATELY DOCUMENTS THE BASIS FOR ITS RESPECTIVE DETERMINATION, AND (IV) THE PUBLIC UTILITY COMMISSION OF TEXAS REVIEWS ANY COMPENSATION TO BE PAID TO THE CHIEF EXECUTIVE OFFICER. IN PRACTICE, THE HR&amp;G COMMITTEE OF THE BOARD OF DIRECTORS REVIEWS PROPOSED CHANGES TO CHIEF EXECUTIVE OFFICER COMPENSATION AND SUBMITS RECOMMENDATIONS TO THE BOARD FOR ITS APPROVAL BY ALL UNINTERESTED MEMBERS OF THE BOARD OF THE DIRECTORS (THAT IS, ALL BOARD MEMBERS EXCEPT THE CHIEF EXECUTIVE OFFICER, WHO IS REQUIRED TO ABSTAIN FROM SUCH VOTE). IN ITS REVIEW, THE HR&amp;G COMMITTEE CAN REQUEST INFORMATION FROM INDEPENDENT COMPENSATION CONSULTANTS, AND THE COMMITTEE RECEIVES INFORMATION IN REGARD TO THE COMPENSATION LEVELS OF SIMILAR ORGANIZATIONS FROM FORMS 990 AND OTHER SOURCES. ADDITIONALLY, COMPENSATION SURVEYS/STUDIES ARE PERFORMED, AS NEEDED, TO PROVIDE INSIGHT INTO THE ELEMENTS OF COMPENSATION. THE COMPENSATION-RELATED INFORMATION AND HR&amp;G COMMITTEE RECOMMENDATIONS ARE SUBMITTED TO THE BOARD OF DIRECTORS FOR ITS CONSIDERATION AND APPROVAL. A REVIEW OF THE CHIEF EXECUTIVE OFFICER'S COMPENSATION IS PERFORMED ANNUALLY EXCEPT IN THOSE LIMITED INSTANCES IN WHICH THE COMPENSATION HAS BEEN DETERMINED PURSUANT TO THE PROVISIONS OF AN EMPLOYMENT AGREEMENT FOR A TERM EXCEEDING A YEAR BETWEEN ERCOT AND THE CHIEF EXECUTIVE OFFICER, WHICH HAS BEEN APPROVED BY THE BOARD OF DIRECTORS, AND ALL DECISIONS REGARDING THE CHIEF EXECUTIVE OFFICER'S COMPENSATION ARE DOCUMENTED AND MAINTAINED. FURTHERMORE, THE PUBLIC UTILITY COMMISSION OF TEXAS SUBSTANTIVE RULES RELATED TO ERCOT GOVERNANCE REQUIRE THAT ALL COMPENSATION TO BE PAID TO THE CHIEF EXECUTIVE OFFICER IS SUBJECT TO REVIEW AND APPROVAL BY THE PUBLIC UTILITY COMMISSION OF TEXAS. FORM 990, PART VI, SECTION B, 15B: IN DETERMINING COMPENSATION FOR OFFICERS WHO ARE THE DIRECT REPORTS OF THE CHIEF EXECUTIVE OFFICER, ERCOT FOLLOWS A PROCEDURE WHICH ENSURES THAT (I) COMPENSATION IS FULLY DISCLOSED IN ADVANCE TO THE HR&amp;G COMMITTEE OF THE BOARD OF DIRECTORS, (II) THE HR&amp;G COMMITTEE OBTAINS AND RELIES UPON APPROPRIATE DATA FOR COMPARABILITY, AND (III) THE HR&amp;G COMMITTEE ADEQUATELY DOCUMENTS THE BASIS FOR ITS DETERMINATION. FOR DIRECT REPORTS, THE CHIEF EXECUTIVE OFFICER INFORMS THE HR&amp;G COMMITTEE OF PROPOSED OFFICER PAY AMOUNTS. FOR OFFICERS WHO ARE NOT THE DIRECT REPORTS OF THE CEO OR KEY EMPLOYEES, COMPENSATION IS REVIEWED AND DETERMINED BY THEIR APPROPRIATE OFFICER. FOR REVIEW OF ALL OFFICER AND KEY EMPLOYEE COMPENSATION, ERCOT USES PERFORMANCE AND DATA OBTAINED RELATING TO COMPARABLE COMPENSATION OF SIMILARLY QUALIFIED PERSONS IN COMPARABLE POSITIONS AT COMPARABLE ORGANIZATIONS, INCLUDING COMPENSATION SURVEYS AND FORMS 990. THE HR&amp;G COMMITTEE CAN REQUEST INFORMATION FROM INDEPENDENT COMPENSATION CONSULTANTS. COMPENSATION OF THE CHIEF EXECUTIVE OFFICER'S DIRECT REPROTS IS REVIEWED ANNUALLY BY THE HR&amp;G COMMITTEE, AND ALL DECISIONS REGARDING COMPENSATION ARE DOCUMENTED AND MAINTAINED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ERCOT'S GOVERNING DOCUMENTS, CODE OF CONDUCT, AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC THROUGH THE ERCOT WEBSITE (WWW.ERCOT.COM).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <EndOfYearAssetsAmt>427377172</EndOfYearAssetsAmt>
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        <EIN>742587416</EIN>
        <PrimaryActivitiesTxt>SECURITIZATION BOND SERVICING</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
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        <EndOfYearAssetsAmt>2126349120</EndOfYearAssetsAmt>
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