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  <xs:element id="cik0001563922_SpecialUnitHolderMember" abstract="true" name="SpecialUnitHolderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_GreenbackerAdministrationMember" abstract="true" name="GreenbackerAdministrationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_GreenbackerDevelopmentOpportunitiesFundILPGDEVAndGreenbackerDevelopmentOpportunitiesFundIBLPGDEVBMember" abstract="true" name="GreenbackerDevelopmentOpportunitiesFundILPGDEVAndGreenbackerDevelopmentOpportunitiesFundIBLPGDEVBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_AECCompaniesMember" abstract="true" name="AECCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_ParticipatingEarnoutSharesMember" abstract="true" name="ParticipatingEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionLiquidationPerformanceParticipationFeePercentageOfNetProceedsInExcessOfAdjustedCapital" abstract="false" name="RelatedPartyTransactionLiquidationPerformanceParticipationFeePercentageOfNetProceedsInExcessOfAdjustedCapital" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionLiquidationPerformanceParticipationFeePayableTerm" abstract="false" name="RelatedPartyTransactionLiquidationPerformanceParticipationFeePayableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionTransitionServicesAgreementFee" abstract="false" name="RelatedPartyTransactionTransitionServicesAgreementFee" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:monetaryPerDurationItemType"/>
  <xs:element id="cik0001563922_BaseManagementFeePayableMonthlyRate" abstract="false" name="BaseManagementFeePayableMonthlyRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_BaseManagementFeePayableAnnualRate" abstract="false" name="BaseManagementFeePayableAnnualRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_BaseManagementFeesPayableMonthlyRate" abstract="false" name="BaseManagementFeesPayableMonthlyRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_NetFeeRelatedEarningsReceivablePercent" abstract="false" name="NetFeeRelatedEarningsReceivablePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_BaseManagementFeePayableAnnualRateAmountReduced" abstract="false" name="BaseManagementFeePayableAnnualRateAmountReduced" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_ReimbursementAmountReceivablePercentOfCapital" abstract="false" name="ReimbursementAmountReceivablePercentOfCapital" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_ClassIClassDClassTAndClassSMember" abstract="true" name="ClassIClassDClassTAndClassSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionFeeArrangementScenarioAxis" abstract="true" name="RelatedPartyTransactionFeeArrangementScenarioAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionFeeArrangementScenarioDomain" abstract="true" name="RelatedPartyTransactionFeeArrangementScenarioDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionFeeArrangementScenarioOneMember" abstract="true" name="RelatedPartyTransactionFeeArrangementScenarioOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionFeeArrangementScenarioTwoMember" abstract="true" name="RelatedPartyTransactionFeeArrangementScenarioTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_BaseManagementFeeAggregateNetAssetValueThreshold" abstract="false" name="BaseManagementFeeAggregateNetAssetValueThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_GCMGreenbackerAdministrationAndGreenbackerDevelopmentOpportunitiesGPILLCGDEVGPMember" abstract="true" name="GCMGreenbackerAdministrationAndGreenbackerDevelopmentOpportunitiesGPILLCGDEVGPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_EarnoutPeriodAxis" abstract="true" name="EarnoutPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cik0001563922_EarnoutPeriodDomain" abstract="true" name="EarnoutPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_EarnoutPeriodTrancheOneMember" abstract="true" name="EarnoutPeriodTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_EarnoutPeriodTrancheTwoMember" abstract="true" name="EarnoutPeriodTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_EarnoutPeriodTrancheThreeMember" abstract="true" name="EarnoutPeriodTrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_DistributionReinvestmentPlanMember" abstract="false" name="DistributionReinvestmentPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_CommonAndPreferredStockSharesAuthorized" abstract="false" name="CommonAndPreferredStockSharesAuthorized" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cik0001563922_BusinessCombinationContingentConsiderationShares" abstract="false" name="BusinessCombinationContingentConsiderationShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cik0001563922_SaleOfStockSharesOfferedDividendReinvestmentPlan" abstract="false" name="SaleOfStockSharesOfferedDividendReinvestmentPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_RelatedPartyTransactionLiquidationPerformanceParticipationPayable" abstract="false" name="RelatedPartyTransactionLiquidationPerformanceParticipationPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_ContingentConsiderationClassifiedAsEquityNotAchievedParticipatingStatusFairValueDisclosure" abstract="false" name="ContingentConsiderationClassifiedAsEquityNotAchievedParticipatingStatusFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_StockRepurchaseProgramStockRepurchaseLimitPercentageOfWeightedAverageNumberOfSharesDuringAny12MonthPeriod" abstract="false" name="StockRepurchaseProgramStockRepurchaseLimitPercentageOfWeightedAverageNumberOfSharesDuringAny12MonthPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cik0001563922_StockRepurchaseProgramStockRepurchaseLimitPercentageOfWeightedAverageNumberOfSharesPriorFourFiscalQuarters" abstract="false" name="StockRepurchaseProgramStockRepurchaseLimitPercentageOfWeightedAverageNumberOfSharesPriorFourFiscalQuarters" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cik0001563922_ServiceBasedRestrictedStockUnitsMember" abstract="true" name="ServiceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_IndependentContractorMembershipInterestMember" abstract="true" name="IndependentContractorMembershipInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageIncreaseOnEachAnniversaryOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageIncreaseOnEachAnniversaryOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPercentageOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPercentageOfCommonSharesIssuedAndOutstandingForIssuanceToEmployeesAndNonEmployeeDirectors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueAssumptionsGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueAssumptionsGrantDateFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cik0001563922_PercentageOfMembershipInterestHeld" abstract="false" name="PercentageOfMembershipInterestHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cik0001563922_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDailyDistributionRate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDailyDistributionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
</xs:schema>
