<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.nrgenergy.com/20180630" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:nrg="http://www.nrgenergy.com/20180630" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:us-types="http://fasb.org/us-types/2017-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2017-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2017-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2017/elts/us-roles-2017-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2017-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2017/elts/us-types-2017-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2017-01-31" schemaLocation="http://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2017-01-31" schemaLocation="http://xbrl.sec.gov/exch/2017/exch-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2017-01-31" schemaLocation="http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nrg-20180630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nrg-20180630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nrg-20180630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="nrg-20180630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivities" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivities">
        <link:definition>2106100 - Disclosure - Accounting for Derivative Instruments and Hedging Activities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesEffectOfAsc815OnAccumulatedOciBalanceAttributableToHedgeDerivativesNetDetails" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesEffectOfAsc815OnAccumulatedOciBalanceAttributableToHedgeDerivativesNetDetails">
        <link:definition>2406405 - Disclosure - Accounting for Derivative Instruments and Hedging Activities - Effect of ASC 815 on accumulated OCI balance attributable to hedge derivatives, net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesFairValueWithinDerivativeInstrumentValuationDetails" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesFairValueWithinDerivativeInstrumentValuationDetails">
        <link:definition>2406403 - Disclosure - Accounting for Derivative Instruments and Hedging Activities - Fair value within the derivative instrument valuation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesNetNotionalVolumeBuySellOfOpenDerivativeTransactionsDetails" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesNetNotionalVolumeBuySellOfOpenDerivativeTransactionsDetails">
        <link:definition>2406402 - Disclosure - Accounting for Derivative Instruments and Hedging Activities - Net notional volume buy/sell of open derivative transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesOffsettingOfDerivativesByCounterpartyMasterAgreementLevelAndCollateralReceivedDetails" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesOffsettingOfDerivativesByCounterpartyMasterAgreementLevelAndCollateralReceivedDetails">
        <link:definition>2406404 - Disclosure - Accounting for Derivative Instruments and Hedging Activities - Offsetting of derivatives by counterparty master agreement level and collateral received (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesPreTaxEffectsOfEconomicHedgesNotDesignatedCashFlowHedgesDetails" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesPreTaxEffectsOfEconomicHedgesNotDesignatedCashFlowHedgesDetails">
        <link:definition>2406406 - Disclosure - Accounting for Derivative Instruments and Hedging Activities - Pre-tax effects of economic hedges not designated a cash flow hedges (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountingForDerivativeInstrumentsAndHedgingActivitiesTables" roleURI="http://www.nrgenergy.com/role/AccountingForDerivativeInstrumentsAndHedgingActivitiesTables">
        <link:definition>2306301 - Disclosure - Accounting for Derivative Instruments and Hedging Activities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositions" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositions">
        <link:definition>2103100 - Disclosure - Acquisitions, Discontinued Operations and Dispositions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsAcquisitionsDetails" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsAcquisitionsDetails">
        <link:definition>2403402 - Disclosure - Acquisitions, Discontinued Operations and Dispositions - Acquisitions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsDispositionsDetails" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsDispositionsDetails">
        <link:definition>2403405 - Disclosure - Acquisitions, Discontinued Operations and Dispositions - Dispositions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsNarrativeDetails" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsNarrativeDetails">
        <link:definition>2403404 - Disclosure - Acquisitions, Discontinued Operations and Dispositions - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsSummaryOfResultsDetails" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsSummaryOfResultsDetails">
        <link:definition>2403403 - Disclosure - Acquisitions, Discontinued Operations and Dispositions - Summary of Results (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsTables" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsTables">
        <link:definition>2303301 - Disclosure - Acquisitions, Discontinued Operations and Dispositions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsDiscontinuedOperationsAndDispositionsTransfersOfAssetsUnderCommonControlDetails" roleURI="http://www.nrgenergy.com/role/AcquisitionsDiscontinuedOperationsAndDispositionsTransfersOfAssetsUnderCommonControlDetails">
        <link:definition>2403406 - Disclosure - Acquisitions, Discontinued Operations and Dispositions - Transfers of Assets Under Common Control (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisOfPresentation" roleURI="http://www.nrgenergy.com/role/BasisOfPresentation">
        <link:definition>2101100 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisOfPresentationBasisOfPresentationDetails" roleURI="http://www.nrgenergy.com/role/BasisOfPresentationBasisOfPresentationDetails">
        <link:definition>2401401 - Disclosure - Basis of Presentation - Basis of Presentation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesInCapitalStructure" roleURI="http://www.nrgenergy.com/role/ChangesInCapitalStructure">
        <link:definition>2110100 - Disclosure - Changes in Capital Structure</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesInCapitalStructureChangesInNrgsCommonSharesOutstandingAndIssuedDetails" roleURI="http://www.nrgenergy.com/role/ChangesInCapitalStructureChangesInNrgsCommonSharesOutstandingAndIssuedDetails">
        <link:definition>2410403 - Disclosure - Changes in Capital Structure - Changes in NRG's common shares outstanding and issued (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesInCapitalStructureNarrativeDetails" roleURI="http://www.nrgenergy.com/role/ChangesInCapitalStructureNarrativeDetails">
        <link:definition>2410402 - Disclosure - Changes in Capital Structure - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesInCapitalStructureScheduleOfDividendsPaidDetails" roleURI="http://www.nrgenergy.com/role/ChangesInCapitalStructureScheduleOfDividendsPaidDetails">
        <link:definition>2410404 - Disclosure - Changes in Capital Structure - Schedule of dividends paid (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesInCapitalStructureTables" roleURI="http://www.nrgenergy.com/role/ChangesInCapitalStructureTables">
        <link:definition>2310301 - Disclosure - Changes in Capital Structure (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingencies" roleURI="http://www.nrgenergy.com/role/CommitmentsAndContingencies">
        <link:definition>2115100 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesDetails" roleURI="http://www.nrgenergy.com/role/CommitmentsAndContingenciesDetails">
        <link:definition>2415401 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedBalanceSheets">
        <link:definition>1003000 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>1003501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfCashFlows" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedStatementsOfCashFlows">
        <link:definition>1004000 - Statement - Condensed Consolidated Statements Of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfComprehensiveIncomeLoss" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLoss">
        <link:definition>1002000 - Statement - Condensed Consolidated Statements of Comprehensive Income/(Loss)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical">
        <link:definition>1002001 - Statement - Condensed Consolidated Statements of Comprehensive Income/(Loss) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfOperations" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedStatementsOfOperations">
        <link:definition>1001000 - Statement - Condensed Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfOperationsCalc2" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatedStatementsOfOperationsCalc2">
        <link:definition>1001000 - Statement - Condensed Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformation" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformation">
        <link:definition>2118100 - Disclosure - Condensed Consolidating Financial Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationBalanceSheetsDetails" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationBalanceSheetsDetails">
        <link:definition>2418405 - Disclosure - Condensed Consolidating Financial Information - BALANCE SHEETS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationCashFlowsDetails" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationCashFlowsDetails">
        <link:definition>2418406 - Disclosure - Condensed Consolidating Financial Information - CASH FLOWS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationCashFlowsDetailsCalc2" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationCashFlowsDetailsCalc2">
        <link:definition>2418406 - Disclosure - Condensed Consolidating Financial Information - CASH FLOWS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationComprehensiveIncomeLossDetails" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationComprehensiveIncomeLossDetails">
        <link:definition>2418404 - Disclosure - Condensed Consolidating Financial Information - COMPREHENSIVE INCOME/(LOSS) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationNarrativeDetails" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationNarrativeDetails">
        <link:definition>2418402 - Disclosure - Condensed Consolidating Financial Information - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationStatementsOfOperationsDetails" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationStatementsOfOperationsDetails">
        <link:definition>2418403 - Disclosure - Condensed Consolidating Financial Information - STATEMENTS OF OPERATIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatingFinancialInformationTables" roleURI="http://www.nrgenergy.com/role/CondensedConsolidatingFinancialInformationTables">
        <link:definition>2318301 - Disclosure - Condensed Consolidating Financial Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeases" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeases">
        <link:definition>2108100 - Disclosure - Debt and Capital Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesConvertibleSeniorNotesDetails" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesConvertibleSeniorNotesDetails">
        <link:definition>2408404 - Disclosure - Debt and Capital Leases - Convertible Senior Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesEnergyCenterMinneapolisSeriesNotesDetails" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesEnergyCenterMinneapolisSeriesNotesDetails">
        <link:definition>2408406 - Disclosure - Debt and Capital Leases - Energy Center Minneapolis Series Notes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesNarrativeDetails" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesNarrativeDetails">
        <link:definition>2408403 - Disclosure - Debt and Capital Leases - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesScheduleOfLongTermDebtAndCapitalLeasesDetails" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesScheduleOfLongTermDebtAndCapitalLeasesDetails">
        <link:definition>2408402 - Disclosure - Debt and Capital Leases - Schedule of Long-term Debt and Capital Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesScheduleOfLongTermDebtAndCapitalLeasesDetailsCalc2" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesScheduleOfLongTermDebtAndCapitalLeasesDetailsCalc2">
        <link:definition>2408402 - Disclosure - Debt and Capital Leases - Schedule of Long-term Debt and Capital Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesSeniorNotesRepurchasedDetails" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesSeniorNotesRepurchasedDetails">
        <link:definition>2408405 - Disclosure - Debt and Capital Leases - Senior Notes Repurchased (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAndCapitalLeasesTables" roleURI="http://www.nrgenergy.com/role/DebtAndCapitalLeasesTables">
        <link:definition>2308301 - Disclosure - Debt and Capital Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.nrgenergy.com/role/DocumentAndEntityInformation">
        <link:definition>0001000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShare" roleURI="http://www.nrgenergy.com/role/EarningsLossPerShare">
        <link:definition>2112100 - Disclosure - Earnings/(Loss) Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareAntiDilutiveSecuritiesDetails" roleURI="http://www.nrgenergy.com/role/EarningsLossPerShareAntiDilutiveSecuritiesDetails">
        <link:definition>2412403 - Disclosure - Earnings/(Loss) Per Share - Anti-dilutive Securities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareReconciliationOfBasicAndDilutedEpsDetails" roleURI="http://www.nrgenergy.com/role/EarningsLossPerShareReconciliationOfBasicAndDilutedEpsDetails">
        <link:definition>2412402 - Disclosure - Earnings/(Loss) Per Share - Reconciliation of Basic and Diluted EPS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsLossPerShareTables" roleURI="http://www.nrgenergy.com/role/EarningsLossPerShareTables">
        <link:definition>2312301 - Disclosure - Earnings/(Loss) Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EnvironmentalMatters" roleURI="http://www.nrgenergy.com/role/EnvironmentalMatters">
        <link:definition>2117100 - Disclosure - Environmental Matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstruments" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstruments">
        <link:definition>2104100 - Disclosure - Fair Value of Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsAssetsAndLiabilitiesMeasuredAndRecordedAtFairValueDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsAssetsAndLiabilitiesMeasuredAndRecordedAtFairValueDetails">
        <link:definition>2404403 - Disclosure - Fair Value of Financial Instruments - Assets and Liabilities Measured and Recorded at Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsCounterpartyCreditRiskDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsCounterpartyCreditRiskDetails">
        <link:definition>2404407 - Disclosure - Fair Value of Financial Instruments - Counterparty Credit Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsDerivativeFairValueMeasurementsDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsDerivativeFairValueMeasurementsDetails">
        <link:definition>2404406 - Disclosure - Fair Value of Financial Instruments - Derivative Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsDerivativeFairValueMeasurementsNarrativeDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsDerivativeFairValueMeasurementsNarrativeDetails">
        <link:definition>2404405 - Disclosure - Fair Value of Financial Instruments - Derivative Fair Value Measurements, Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsEstimatedCarryingAmountsAndFairValueOfFinancialInstrumentsNotCarriedAtFairValueDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsEstimatedCarryingAmountsAndFairValueOfFinancialInstrumentsNotCarriedAtFairValueDetails">
        <link:definition>2404402 - Disclosure - Fair Value of Financial Instruments - Estimated Carrying Amounts and Fair Value of Financial Instruments Not Carried at Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsReconciliationOfLevel3FinancialInstrumentsDetails" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsReconciliationOfLevel3FinancialInstrumentsDetails">
        <link:definition>2404404 - Disclosure - Fair Value of Financial Instruments - Reconciliation of Level 3 Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueOfFinancialInstrumentsTables" roleURI="http://www.nrgenergy.com/role/FairValueOfFinancialInstrumentsTables">
        <link:definition>2304301 - Disclosure - Fair Value of Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Impairments" roleURI="http://www.nrgenergy.com/role/Impairments">
        <link:definition>2107100 - Disclosure - Impairments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentsDetails" roleURI="http://www.nrgenergy.com/role/ImpairmentsDetails">
        <link:definition>2407401 - Disclosure - Impairments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.nrgenergy.com/role/IncomeTaxes">
        <link:definition>2113100 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.nrgenergy.com/role/IncomeTaxesDetails">
        <link:definition>2413402 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.nrgenergy.com/role/IncomeTaxesTables">
        <link:definition>2313301 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NuclearDecommissioningTrustFund" roleURI="http://www.nrgenergy.com/role/NuclearDecommissioningTrustFund">
        <link:definition>2105100 - Disclosure - Nuclear Decommissioning Trust Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NuclearDecommissioningTrustFundSummaryOfAggregateFairValuesAndRealizedGainsAndLossesDetails" roleURI="http://www.nrgenergy.com/role/NuclearDecommissioningTrustFundSummaryOfAggregateFairValuesAndRealizedGainsAndLossesDetails">
        <link:definition>2405402 - Disclosure - Nuclear Decommissioning Trust Fund - Summary of aggregate fair values and realized gains and losses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NuclearDecommissioningTrustFundSummaryOfProceedsFromSalesOfAvailableForSaleSecuritiesAndRelatedGainsAndLossesDetails" roleURI="http://www.nrgenergy.com/role/NuclearDecommissioningTrustFundSummaryOfProceedsFromSalesOfAvailableForSaleSecuritiesAndRelatedGainsAndLossesDetails">
        <link:definition>2405403 - Disclosure - Nuclear Decommissioning Trust Fund - Summary of proceeds from sales of available-for-sale securities and related gains and losses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NuclearDecommissioningTrustFundTables" roleURI="http://www.nrgenergy.com/role/NuclearDecommissioningTrustFundTables">
        <link:definition>2305301 - Disclosure - Nuclear Decommissioning Trust Fund (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RegulatoryMatters" roleURI="http://www.nrgenergy.com/role/RegulatoryMatters">
        <link:definition>2116100 - Disclosure - Regulatory Matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RegulatoryMattersDetails" roleURI="http://www.nrgenergy.com/role/RegulatoryMattersDetails">
        <link:definition>2416401 - Disclosure - Regulatory Matters (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.nrgenergy.com/role/RelatedPartyTransactions">
        <link:definition>2114100 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsCreditAgreementWithGenonDetails" roleURI="http://www.nrgenergy.com/role/RelatedPartyTransactionsCreditAgreementWithGenonDetails">
        <link:definition>2414402 - Disclosure - Related Party Transactions - Credit Agreement with GenOn (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsServiceAgreementAndTransitionServicesAgreementWithGenonDetails" roleURI="http://www.nrgenergy.com/role/RelatedPartyTransactionsServiceAgreementAndTransitionServicesAgreementWithGenonDetails">
        <link:definition>2414401 - Disclosure - Related Party Transactions - Service Agreement and Transition Services Agreement with GenOn (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReporting" roleURI="http://www.nrgenergy.com/role/SegmentReporting">
        <link:definition>2111100 - Disclosure - Segment Reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDetails" roleURI="http://www.nrgenergy.com/role/SegmentReportingDetails">
        <link:definition>2411402 - Disclosure - Segment Reporting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingTables" roleURI="http://www.nrgenergy.com/role/SegmentReportingTables">
        <link:definition>2311301 - Disclosure - Segment Reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>2102100 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesCapacityRevenueDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesCapacityRevenueDetails">
        <link:definition>2402408 - Disclosure - Summary of Significant Accounting Policies - Capacity Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesContractAssetsAndLiabilitiesDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesContractAssetsAndLiabilitiesDetails">
        <link:definition>2402410 - Disclosure - Summary of Significant Accounting Policies - Contract Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesDisaggregationOfRevenueDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesDisaggregationOfRevenueDetails">
        <link:definition>2402409 - Disclosure - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesNoncontrollingInterestDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesNoncontrollingInterestDetails">
        <link:definition>2402405 - Disclosure - Summary of Significant Accounting Policies - Noncontrolling Interest (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesOtherBalanceSheetInformationDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesOtherBalanceSheetInformationDetails">
        <link:definition>2402403 - Disclosure - Summary of Significant Accounting Policies - Other Balance Sheet Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRecentAccountingDevelopmentsDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesRecentAccountingDevelopmentsDetails">
        <link:definition>2402411 - Disclosure - Summary of Significant Accounting Policies - Recent Accounting Developments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRedeemableNoncontrollingInterestDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesRedeemableNoncontrollingInterestDetails">
        <link:definition>2402406 - Disclosure - Summary of Significant Accounting Policies - Redeemable Noncontrolling Interest (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRestrictedCashDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesRestrictedCashDetails">
        <link:definition>2402404 - Disclosure - Summary of Significant Accounting Policies - Restricted Cash (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails">
        <link:definition>2402407 - Disclosure - Summary of Significant Accounting Policies - Revenue Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.nrgenergy.com/role/SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>2302302 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesOrVies" roleURI="http://www.nrgenergy.com/role/VariableInterestEntitiesOrVies">
        <link:definition>2109100 - Disclosure - Variable Interest Entities, or VIEs</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesOrViesDetails" roleURI="http://www.nrgenergy.com/role/VariableInterestEntitiesOrViesDetails">
        <link:definition>2409402 - Disclosure - Variable Interest Entities, or VIEs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesOrViesTables" roleURI="http://www.nrgenergy.com/role/VariableInterestEntitiesOrViesTables">
        <link:definition>2309301 - Disclosure - Variable Interest Entities, or VIEs (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="nrg_A3.25ConvertibleNotesdue2020Member" name="A3.25ConvertibleNotesdue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_A3.5ConvertibleNotesdue2019Member" name="A3.5ConvertibleNotesdue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_A5.00SeniorNotesduein2026Member" name="A5.00SeniorNotesduein2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_A5.375SeniorNotesduein2024Member" name="A5.375SeniorNotesduein2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AcceleratedShareRepurchaseProgramMember" name="AcceleratedShareRepurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AccountingStandardsUpdate201707Member" name="AccountingStandardsUpdate201707Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AccruedInterestOnBorrowingsMember" name="AccruedInterestOnBorrowingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_AccumulatedAmortizationofOutofMarketContracts" name="AccumulatedAmortizationofOutofMarketContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_AccumulatedOtherComprehensiveIncomeLossCumulativeChangeInGainLossFromCashFlowHedgesTaxAmount" name="AccumulatedOtherComprehensiveIncomeLossCumulativeChangeInGainLossFromCashFlowHedgesTaxAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTaxRollForward" name="AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTaxRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AdequateAssuranceClausesMember" name="AdequateAssuranceClausesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AguaCalienteBorrower1due2038Member" name="AguaCalienteBorrower1due2038Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AguaCalienteFinancingAgreementMember" name="AguaCalienteFinancingAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AguaCalienteMember" name="AguaCalienteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AguaCalienteSolarProjectMember" name="AguaCalienteSolarProjectMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AlpineFinancingAgreementDue2022Member" name="AlpineFinancingAgreementDue2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_AltaWindIVLeasefinancingarrangementMember" name="AltaWindIVLeasefinancingarrangementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_AmortizationOfIntangiblesAndOutOfMarketContracts" name="AmortizationOfIntangiblesAndOutOfMarketContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_AmountOfNetCounterpartyCreditRiskExposureToCertainCounterparties" name="AmountOfNetCounterpartyCreditRiskExposureToCertainCounterparties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_AssignmentOfHistoricalClaimsAgainstREMAMember" name="AssignmentOfHistoricalClaimsAgainstREMAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_BTECNewAlbanyv.NRGTexasPowerLLCMember" name="BTECNewAlbanyv.NRGTexasPowerLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_BankruptcyMember" name="BankruptcyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_BuckthornRenewablesLLCMember" name="BuckthornRenewablesLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_BuckthornSolarDue2018And2025Member" name="BuckthornSolarDue2018And2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_BusinessAcquisitionConsiderationTransferredWorkingCapital" name="BusinessAcquisitionConsiderationTransferredWorkingCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_BusinessAcquisitionCustomersAcquired" name="BusinessAcquisitionCustomersAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNonCurrentAssetsExcludingCashAccountsReceivableAndDerivativeAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNonCurrentAssetsExcludingCashAccountsReceivableAndDerivativeAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNonCurrentLiabilitiesExcludingAccountsPayableAndDerivativeLiability" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNonCurrentLiabilitiesExcludingAccountsPayableAndDerivativeLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeAssets" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_BusinessSolutionsCustomersMember" name="BusinessSolutionsCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CDWRandSDGEvSunrisePowerMember" name="CDWRandSDGEvSunrisePowerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CVSRHoldcodue2037Member" name="CVSRHoldcodue2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CVSRdue2037Member" name="CVSRdue2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CanalThreeMember" name="CanalThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CapacityRevenueMember" name="CapacityRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CapitalAllocationPlanAxis" name="CapitalAllocationPlanAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CapitalAllocationPlanDomain" name="CapitalAllocationPlanDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CapitalAllocationPlanMember" name="CapitalAllocationPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CarlsbadEnergyHoldingsLLCSeniorSecuredNotesdue2038Member" name="CarlsbadEnergyHoldingsLLCSeniorSecuredNotesdue2038Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CarlsbadFinancingAgreementMember" name="CarlsbadFinancingAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsTax" name="CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_CedroHillWindLLCduein2025Member" name="CedroHillWindLLCduein2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ChangesInCollateralDepositsSupportingEnergyRiskManagementActivities" name="ChangesInCollateralDepositsSupportingEnergyRiskManagementActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_ChangesInNuclearDecommissioningTrustLiability" name="ChangesInNuclearDecommissioningTrustLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ChapterElevenProceedingsMember" name="ChapterElevenProceedingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CollateralHeldCashAndLettersOfCredit" name="CollateralHeldCashAndLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_CommissionsperShare" name="CommissionsperShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CommodityContractCurrentMember" name="CommodityContractCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CommodityContractNonCurrentMember" name="CommodityContractNonCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CommonStockCapitalSharesReservedConvertedIntoParentCoCommon" name="CommonStockCapitalSharesReservedConvertedIntoParentCoCommon" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_CommonStockCapitalSharesReservedForUnresolvedClaims" name="CommonStockCapitalSharesReservedForUnresolvedClaims" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_CommonStockDividendsProposedAnnualAmountPerShare" name="CommonStockDividendsProposedAnnualAmountPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ComprehensiveIncomeLossNetOfTaxAvailableForCommonStockholders" name="ComprehensiveIncomeLossNetOfTaxAvailableForCommonStockholders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CondensedConsolidatingFinancialInformationDisclosureAbstract" name="CondensedConsolidatingFinancialInformationDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ConemaughMember" name="ConemaughMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ConvertibleSeniorNotesDue2048Member" name="ConvertibleSeniorNotesDue2048Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CorporateDebtToEBITDARatio" name="CorporateDebtToEBITDARatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CounterpartyCreditRiskExposurePercentageOfCreditRiskRollOff" name="CounterpartyCreditRiskExposurePercentageOfCreditRiskRollOff" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CounterpartyCreditRiskExposurePercentageThreshold" name="CounterpartyCreditRiskExposurePercentageThreshold" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CounterpartyRiskByInstitutionAxis" name="CounterpartyRiskByInstitutionAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CounterpartyRiskByInstitutionDomain" name="CounterpartyRiskByInstitutionDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CounterpartyRiskByInvestmentGradeAxis" name="CounterpartyRiskByInvestmentGradeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CounterpartyRiskByInvestmentGradeDomain" name="CounterpartyRiskByInvestmentGradeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_CreditDerivativeMaximumNetExposurePercentage" name="CreditDerivativeMaximumNetExposurePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_CreditRatingContingentFeaturesMember" name="CreditRatingContingentFeaturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CreditRiskRelatedContingentFeaturesAbstract" name="CreditRiskRelatedContingentFeaturesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_CustomerRelationshipsAndContractsMember" name="CustomerRelationshipsAndContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DebtInstrumentAmortizationPeriodDebtIssuanceCosts" name="DebtInstrumentAmortizationPeriodDebtIssuanceCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DebtInstrumentPrincipalAmountRepurchased" name="DebtInstrumentPrincipalAmountRepurchased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DecommissioningTrustAssetsTableTextBlock" name="DecommissioningTrustAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DecommissioningTrustAssetsWeightedAverageMaturityPeriod" name="DecommissioningTrustAssetsWeightedAverageMaturityPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_DeferredFinancingCostsMember" name="DeferredFinancingCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DeficitRestorationObligation" name="DeficitRestorationObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral" name="DerivativeAssetFairValueAmountOffsetAgainstCollateralNetOfDerivativeLiabilityFairValueAmountOffsetAgainstCollateral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeAssetFairValueDeterminedUsingValuationTechniquesPercentage" name="DerivativeAssetFairValueDeterminedUsingValuationTechniquesPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeAssetFairValueGrossLiabilityNetOfDerivativeLiabilityFairValueGrossAsset" name="DerivativeAssetFairValueGrossLiabilityNetOfDerivativeLiabilityFairValueGrossAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeAuctionPrice" name="DerivativeAuctionPrice" nillable="true" substitutionGroup="xbrli:item" type="us-types:perUnitItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeCollateralObligationToReturnCashNetOfDerivativeCollateralRightToReclaimCash" name="DerivativeCollateralObligationToReturnCashNetOfDerivativeCollateralRightToReclaimCash" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeLiabilityFairValueDeterminedUsingValuationTechniquesPercentage" name="DerivativeLiabilityFairValueDeterminedUsingValuationTechniquesPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeNonmonetaryNotionalAmountEnergyFlowRate" name="DerivativeNonmonetaryNotionalAmountEnergyFlowRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DerivativeNonmonetaryNotionalAmountOther" name="DerivativeNonmonetaryNotionalAmountOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_DerivativeUnrealizedGainsOnOpenPositionsRelatedToTradingActivityNet" name="DerivativeUnrealizedGainsOnOpenPositionsRelatedToTradingActivityNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_DerivativesByUnderlyingAssetsAxis" name="DerivativesByUnderlyingAssetsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_DiscontinuedOperationPensionLiabilityAssumption" name="DiscontinuedOperationPensionLiabilityAssumption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_DiscontinuedOperationSettlementConsiderationAndPriorServiceCostCredit" name="DiscontinuedOperationSettlementConsiderationAndPriorServiceCostCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_DisposalGroupIncludingDiscontinuedOperationAdvisoryAndConsultingFees" name="DisposalGroupIncludingDiscontinuedOperationAdvisoryAndConsultingFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_DisposalGroupIncludingDiscontinuedOperationConsiderationWorkingCapitalAdjustments" name="DisposalGroupIncludingDiscontinuedOperationConsiderationWorkingCapitalAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense" name="DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_DividendsFromParentInvestingActivities" name="DividendsFromParentInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_DunkirkMember" name="DunkirkMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_EastAndWestMember" name="EastAndWestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_EmissionsMember" name="EmissionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_EnergyRevenueMember" name="EnergyRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_EnvironmentalMattersDisclosureAbstract" name="EnvironmentalMattersDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_EquityInEarningsOfConsolidatedSubsidiaries" name="EquityInEarningsOfConsolidatedSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_EstimatedCounterpartyCreditRiskExposureToCertainCounterparties" name="EstimatedCounterpartyCreditRiskExposureToCertainCounterparties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_EstimatedCounterpartyCreditRiskExposureToCertainCounterpartiesPeriod" name="EstimatedCounterpartyCreditRiskExposureToCertainCounterpartiesPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ExternalCreditRatingNotRatedMember" name="ExternalCreditRatingNotRatedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_FairValueInputsSensitivityAnalysisTableTextBlock" name="FairValueInputsSensitivityAnalysisTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityRealizedAndUnrealizedGainLossAbstract" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityRealizedAndUnrealizedGainLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedinNuclearDecommissioningObligations" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetLiabilityGainLossIncludedinNuclearDecommissioningObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationAcquisition" name="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_FairValueofGrossDerivativeAssetsLiabilitiesNet" name="FairValueofGrossDerivativeAssetsLiabilitiesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_FederalGovernmentMember" name="FederalGovernmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_FinancialInstitutionsMember" name="FinancialInstitutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_FinancialTransmissionRightsMember" name="FinancialTransmissionRightsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_FundsDepositedByCounterparties" name="FundsDepositedByCounterparties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_GainsLossesOnExtinguishmentOfDebtNonCashPortion" name="GainsLossesOnExtinguishmentOfDebtNonCashPortion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenConnEnergyLlcMember" name="GenConnEnergyLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenOnMember" name="GenOnMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenOnMidAtlanticMember" name="GenOnMidAtlanticMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GeneratingFacilityAxis" name="GeneratingFacilityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GeneratingFacilityDomain" name="GeneratingFacilityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenerationMember" name="GenerationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenonAmericasGenerationLlcMember" name="GenonAmericasGenerationLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GenonEnergyMember" name="GenonEnergyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_GulfCoastMember" name="GulfCoastMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ImpairmentLosses" name="ImpairmentLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_IncomeLossfromDiscontinuedOperationsNetofTaxBeforeInterestIncomeIncludingPortionAttributabletoNoncontrollingInterest" name="IncomeLossfromDiscontinuedOperationsNetofTaxBeforeInterestIncomeIncludingPortionAttributabletoNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_IncomeLossfromEquityMethodInvestmentofUnconsolidatedAffiliates" name="IncomeLossfromEquityMethodInvestmentofUnconsolidatedAffiliates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_IndemnificationOfPotentialClaimsByREMAMember" name="IndemnificationOfPotentialClaimsByREMAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_IntercompanyCreditAgreementMember" name="IntercompanyCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_IntercompanyDividendFromParentFinancingActivities" name="IntercompanyDividendFromParentFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_IntercompanyDividendProceedsFinancing" name="IntercompanyDividendProceedsFinancing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_IntercompanyDividendProceedsInvesting" name="IntercompanyDividendProceedsInvesting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_InterestMember" name="InterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_InterestRateContractCurrentMember" name="InterestRateContractCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_InterestRateContractNonCurrentMember" name="InterestRateContractNonCurrentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_InvestmentTaxCreditBridgeLoanMember" name="InvestmentTaxCreditBridgeLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_InvestmentsInProceedsFromSalesOfUnconsolidatedAffiliates" name="InvestmentsInProceedsFromSalesOfUnconsolidatedAffiliates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_IvampahMaterHoldingsLLCMember" name="IvampahMaterHoldingsLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_IvanpahCreditAgreementMember" name="IvanpahCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_KeystoneMember" name="KeystoneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_LitigationLossContingenciesByLegalProceedingAxis" name="LitigationLossContingenciesByLegalProceedingAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_LitigationLossContingencyByLegalProceedingDomain" name="LitigationLossContingencyByLegalProceedingDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_LondonInterbankOfferedRateLIBORfloorMember" name="LondonInterbankOfferedRateLIBORfloorMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_LossContingencyNumberofCases" name="LossContingencyNumberofCases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MarshLandingTermLoanDue2023Member" name="MarshLandingTermLoanDue2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MassCustomerMember" name="MassCustomerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MechanicallycompleteSolarAssetsMember" name="MechanicallycompleteSolarAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MidwestGenerationAsbestosLiabilitiesMember" name="MidwestGenerationAsbestosLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MidwestGenerationNewSourceReviewMember" name="MidwestGenerationNewSourceReviewMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MidwestGenerationdue2019Member" name="MidwestGenerationdue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_MorgantownV.GenOnMidAtlanticMember" name="MorgantownV.GenOnMidAtlanticMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeniorNotesdue203120332035and2037Member" name="NRGEnergyCenterMinneapolisLLCSeniorNotesdue203120332035and2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeriesEFGAndHNotesMember" name="NRGEnergyCenterMinneapolisLLCSeriesEFGAndHNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeriesENotesDue2033Member" name="NRGEnergyCenterMinneapolisLLCSeriesENotesDue2033Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeriesFNotesDue2033Member" name="NRGEnergyCenterMinneapolisLLCSeriesFNotesDue2033Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeriesGNotesDue2035Member" name="NRGEnergyCenterMinneapolisLLCSeriesGNotesDue2035Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisLLCSeriesHNotesDue2037Member" name="NRGEnergyCenterMinneapolisLLCSeriesHNotesDue2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGEnergyCenterMinneapolisSeriesDNotesMember" name="NRGEnergyCenterMinneapolisSeriesDNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGYieldMember" name="NRGYieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGYieldOtherMember" name="NRGYieldOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGYieldRevolvingCreditFacilityMember" name="NRGYieldRevolvingCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NRGYieldandNRGYieldOperatingLLCRevolvingCreditFacilityDue2023MemberMember" name="NRGYieldandNRGYieldOperatingLLCRevolvingCreditFacilityDue2023MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NatixisV.GenOnMidAtlanticMember" name="NatixisV.GenOnMidAtlanticMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NaturalGasLitigationMember" name="NaturalGasLitigationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NaturalGasMember" name="NaturalGasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NetCreditExposure" name="NetCreditExposure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_NonRecourseDebtMember" name="NonRecourseDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NoncontrollingInterestContributionsfromNoncontrollingInterestHolders" name="NoncontrollingInterestContributionsfromNoncontrollingInterestHolders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_NoncontrollingInterestDecreaseFromDividendDistribution" name="NoncontrollingInterestDecreaseFromDividendDistribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_NoncontrollingInterestNoncashAdjustments" name="NoncontrollingInterestNoncashAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NrgEnergyCenterMinneapolisLlcSeniorSecuredNotesDue2025Member" name="NrgEnergyCenterMinneapolisLlcSeniorSecuredNotesDue2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NrgEnergyMember" name="NrgEnergyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NrgYieldIncMember" name="NrgYieldIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NuclearDecommissioningPolicyTextBlock" name="NuclearDecommissioningPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_NuclearDecommissioningTrustFundDisclosureAbstract" name="NuclearDecommissioningTrustFundDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NuclearDecommissioningTrustFundLiabilityNoncurrent" name="NuclearDecommissioningTrustFundLiabilityNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_NuclearDecommissioningTrustFundTextBlock" name="NuclearDecommissioningTrustFundTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NumberOfSolarElectricGeneratingProjects" name="NumberOfSolarElectricGeneratingProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_NumberOfUtilityScaleSolarProjects" name="NumberOfUtilityScaleSolarProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_NumberofreservedsharesfordisputedChapter11claimsconvertedintoreservedofNRGcommonstock" name="NumberofreservedsharesfordisputedChapter11claimsconvertedintoreservedofNRGcommonstock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_OffsettingAssetsAndLiabilitiesLineItems" name="OffsettingAssetsAndLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_OperatingRevenuesMember" name="OperatingRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_OtherDebtMember" name="OtherDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_OtherMember" name="OtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_OtherRenewablesDebtMember" name="OtherRenewablesDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_PaymentsToAffiliateSettlementAgreement" name="PaymentsToAffiliateSettlementAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_PercentageOfOwnership" name="PercentageOfOwnership" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_PercentageofOwnershipSoldofSubsidiary" name="PercentageofOwnershipSoldofSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_PowerContractsMember" name="PowerContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_PowerGenerationCapacityMegawatts" name="PowerGenerationCapacityMegawatts" nillable="true" substitutionGroup="xbrli:item" type="num:powerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_PowerMember" name="PowerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_PowerPurchaseAgreementPeriod" name="PowerPurchaseAgreementPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ProceedsFromPaymentsToIntercompanyLoans" name="ProceedsFromPaymentsToIntercompanyLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_ProceedsFromRenewableEnergyGrants" name="ProceedsFromRenewableEnergyGrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ProductsAndServicesDerivativeRevenueMember" name="ProductsAndServicesDerivativeRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ProductsAndServicesOtherDerivativeRevenueMember" name="ProductsAndServicesOtherDerivativeRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ProductsAndServicesOtherMember" name="ProductsAndServicesOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ProductsAndServicesRetailRevenueMember" name="ProductsAndServicesRetailRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ProductsAndServicesTotalRetailMember" name="ProductsAndServicesTotalRetailMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RecourseDebtMember" name="RecourseDebtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_RedeemableNoncontrollingInterestCashContributionsfromNoncontrollingInterestHolders" name="RedeemableNoncontrollingInterestCashContributionsfromNoncontrollingInterestHolders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RedeemablenoncontrollinginterestMember" name="RedeemablenoncontrollinginterestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ReductionOfSettlementPaymentMember" name="ReductionOfSettlementPaymentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RegulatoryMattersDisclosureAbstract" name="RegulatoryMattersDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_RegulatoryMattersTextBlock" name="RegulatoryMattersTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_Regulatorypaymentssought" name="Regulatorypaymentssought" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_RemainingTerm" name="RemainingTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RenewablesMember" name="RenewablesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RestrictedCashAndCashEquivalentsMember" name="RestrictedCashAndCashEquivalentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RestructuringSupportAgreementMember" name="RestructuringSupportAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_RestructuringandRelatedActivitiesPercentageThreshold" name="RestructuringandRelatedActivitiesPercentageThreshold" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="nrg_RestructuringandRelatedCostAnnualizedServices" name="RestructuringandRelatedCostAnnualizedServices" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_RestructuringandRelatedCostCreditApplied" name="RestructuringandRelatedCostCreditApplied" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RetailMember" name="RetailMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ReversalPreviouslyRecognizedUnrealizedGainsLossesAcquiredasPartofAcquisitionEconomicHedges" name="ReversalPreviouslyRecognizedUnrealizedGainsLossesAcquiredasPartofAcquisitionEconomicHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_ReversalPreviouslyRecognizedUnrealizedGainsLossesSettledPositionsEconomicHedges" name="ReversalPreviouslyRecognizedUnrealizedGainsLossesSettledPositionsEconomicHedges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="nrg_ReversalPreviouslyUnrecognizedUnrealizedGainsLossesSettledPositionsTradingActivity" name="ReversalPreviouslyUnrecognizedUnrealizedGainsLossesSettledPositionsTradingActivity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RevolvingCreditFacilityBorrowingsMember" name="RevolvingCreditFacilityBorrowingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RevolvingLoanFacilityDue2018And2021Member" name="RevolvingLoanFacilityDue2018And2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_RosamondSolarPortfolioLLCFinancingAgreementMember" name="RosamondSolarPortfolioLLCFinancingAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleOfChangeInNoncontrollingInterestTableTextBlock" name="ScheduleOfChangeInNoncontrollingInterestTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock" name="ScheduleOfCondensedConsolidatingBalanceSheetTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock" name="ScheduleOfCondensedConsolidatingStatementOfCashFlowsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock" name="ScheduleOfCondensedConsolidatingStatementOfOperationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ScheduleOfContractAssetsAndLiabilitiesLineItems" name="ScheduleOfContractAssetsAndLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ScheduleOfContractAssetsAndLiabilitiesTable" name="ScheduleOfContractAssetsAndLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleOfNetExposureToCounterPartyCreditExposureTableTextBlock" name="ScheduleOfNetExposureToCounterPartyCreditExposureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_ScheduleofDividendsPaidTableTextBlock" name="ScheduleofDividendsPaidTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ScheduleofStockbyClassEquityRollForward" name="ScheduleofStockbyClassEquityRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorNotes2024Member" name="SeniorNotes2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorNotesDueIn2022Member" name="SeniorNotesDueIn2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorNotesdue2026Member" name="SeniorNotesdue2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorNotesdue2027Member" name="SeniorNotesdue2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorNotesdue2028Member" name="SeniorNotesdue2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorUnsecuredNotes2017Member" name="SeniorUnsecuredNotes2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorUnsecuredNotes2018Member" name="SeniorUnsecuredNotes2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorUnsecuredNotes2020Member" name="SeniorUnsecuredNotes2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorUnsecuredNotes2021Member" name="SeniorUnsecuredNotes2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_SeniorUnsecuredNotes2031Member" name="SeniorUnsecuredNotes2031Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ServicesAgreementMember" name="ServicesAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_ShelfFacilityMember" name="ShelfFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_StateOfIllinoisMember" name="StateOfIllinoisMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_StockRepurchaseProgramAuthorizedAmountImmediateCommencement" name="StockRepurchaseProgramAuthorizedAmountImmediateCommencement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_SunEdisonUtilityScaleSolarandWindMember" name="SunEdisonUtilityScaleSolarandWindMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_SupplementalBalanceSheetDisclosuresTableTextBlock" name="SupplementalBalanceSheetDisclosuresTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_TapestryWindLLCduein2021Member" name="TapestryWindLLCduein2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_TaxexemptBondsMember" name="TaxexemptBondsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_TelephoneConsumerProtectionActPurportedClassActionsMember" name="TelephoneConsumerProtectionActPurportedClassActionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_TermLoanFacilityDue2023Member" name="TermLoanFacilityDue2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_TransitionServicesAgreementMember" name="TransitionServicesAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_UPMCThermalProjectMember" name="UPMCThermalProjectMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_UnrealizedGainLossOnDerivativesMarkToMarketEconomicHedgingActivities" name="UnrealizedGainLossOnDerivativesMarkToMarketEconomicHedgingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="nrg_UnrealizedGainLossonDerivativesMarkToMarketTradingActivities" name="UnrealizedGainLossonDerivativesMarkToMarketTradingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_UnrealizedMarkToMarketResultsAbstract" name="UnrealizedMarkToMarketResultsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_UtahPortfolioMember" name="UtahPortfolioMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_UtilitiesEnergyMerchantsMarketersAndOtherMember" name="UtilitiesEnergyMerchantsMarketersAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_VariableInterestEntitiesDisclosureAbstract" name="VariableInterestEntitiesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="nrg_VariableInterestEntityConsolidatedCarryingAmountLongtermDebt" name="VariableInterestEntityConsolidatedCarryingAmountLongtermDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_VariableInterestEntityConsolidatedCarryingAmountNetPropertyPlantandEquipment" name="VariableInterestEntityConsolidatedCarryingAmountNetPropertyPlantandEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="nrg_VariableInterestEntityConsolidatedCarryingAmountNoncontrollingInterest" name="VariableInterestEntityConsolidatedCarryingAmountNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_VariableInterestEntityConsolidatedCarryingAmountRedeemableNoncontrollingInterest" name="VariableInterestEntityConsolidatedCarryingAmountRedeemableNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="nrg_VariableInterestEntityGenerationStationsOperated" name="VariableInterestEntityGenerationStationsOperated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="nrg_VientoFundingIIInc.duein2023Member" name="VientoFundingIIInc.duein2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_VolumetricUnderlyingDerivativeTransactionsAbstract" name="VolumetricUnderlyingDerivativeTransactionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_WalnutCreekEnergyLLCduein2023Member" name="WalnutCreekEnergyLLCduein2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_WestHoldingsCreditAgreementMember" name="WestHoldingsCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_WorkingCapitalFacilityMember" name="WorkingCapitalFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="nrg_XOOMEnergyLLCMember" name="XOOMEnergyLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
