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  <xs:element id="flnc_DebtInstrumentCovenantBorrowingBaseThreshold" abstract="false" name="DebtInstrumentCovenantBorrowingBaseThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantLineCapScenarioOne" abstract="false" name="DebtInstrumentCovenantLineCapScenarioOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantLineCapAdditionalThresholdAmountTotalLiquidity" abstract="false" name="DebtInstrumentCovenantLineCapAdditionalThresholdAmountTotalLiquidity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantLineCapAdditionalThresholdAmountExcessAvailability" abstract="false" name="DebtInstrumentCovenantLineCapAdditionalThresholdAmountExcessAvailability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantTotalLiquidityLineCapPercentageThreshold" abstract="false" name="DebtInstrumentCovenantTotalLiquidityLineCapPercentageThreshold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantLineCapAdditionalThresholdAmountTotalLiquidityScenarioTwo" abstract="false" name="DebtInstrumentCovenantLineCapAdditionalThresholdAmountTotalLiquidityScenarioTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantReliefExcessAvailabilityLineCapPercentageThreshold" abstract="false" name="DebtInstrumentCovenantReliefExcessAvailabilityLineCapPercentageThreshold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="flnc_DebtInstrumentCommitmentFeePerAnnumThresholdPercentage" abstract="false" name="DebtInstrumentCommitmentFeePerAnnumThresholdPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="flnc_DebtInstrumentCovenantNetLeverageRatioMaximumThreshold" abstract="false" name="DebtInstrumentCovenantNetLeverageRatioMaximumThreshold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="flnc_FinancingReceivableAfterAllowanceForCreditLossTransferred" abstract="false" name="FinancingReceivableAfterAllowanceForCreditLossTransferred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_ProceedsFromBorrowingsAgainstNoteReceivable" abstract="false" name="ProceedsFromBorrowingsAgainstNoteReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_GuaranteesAndCommitmentsMember" abstract="true" name="GuaranteesAndCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_LettersOfCreditUnderTheBilateralCreditFacilityMember" abstract="true" name="LettersOfCreditUnderTheBilateralCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_LettersOfCreditUnderRevolverMember" abstract="true" name="LettersOfCreditUnderRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_NumberOfContractualObligationAgreements" abstract="false" name="NumberOfContractualObligationAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="flnc_ContractualObligationExposurePerAgreement" abstract="false" name="ContractualObligationExposurePerAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_LiquidatedDamagesMember" abstract="true" name="LiquidatedDamagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_PurchaseObligationToBePaidYearFourAndAfter" abstract="false" name="PurchaseObligationToBePaidYearFourAndAfter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_LiquidatedDamagesAbstract" abstract="true" name="LiquidatedDamagesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="flnc_OtherCommitmentToBePaidYearFourAndAfter" abstract="false" name="OtherCommitmentToBePaidYearFourAndAfter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_InventoryCapacityGuaranteeMember" abstract="true" name="InventoryCapacityGuaranteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_FluenceVsDiabloEnergyStorageMember" abstract="true" name="FluenceVsDiabloEnergyStorageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="flnc_CostsOfGoodsAndServicesReductionFromClaimSettlement" abstract="false" name="CostsOfGoodsAndServicesReductionFromClaimSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_LimitedWarrantyPeriod" abstract="false" name="LimitedWarrantyPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="flnc_StandardProductWarrantyAccrualChangeInEstimates" abstract="false" name="StandardProductWarrantyAccrualChangeInEstimates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_StandardAndExtendedProductWarrantyAccrualChangeInBalanceSheetPresentation" abstract="false" name="StandardAndExtendedProductWarrantyAccrualChangeInBalanceSheetPresentation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_StandardAndExtendedProductWarrantyAccrualSupplierRecoveries" abstract="false" name="StandardAndExtendedProductWarrantyAccrualSupplierRecoveries" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_StandardAndExtendedProductWarrantyAccrualNetOfSupplierRecoveries" abstract="false" name="StandardAndExtendedProductWarrantyAccrualNetOfSupplierRecoveries" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_FluenceEnergyINCMember" abstract="true" name="FluenceEnergyINCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_ConsultingServicesRevenueMember" abstract="true" name="ConsultingServicesRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="flnc_ReceivablesRelatedPartiesAllowanceForCreditLoss" abstract="false" name="ReceivablesRelatedPartiesAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_TransferOfFinancialAssetsAccountedForAsSalesDiscount" abstract="false" name="TransferOfFinancialAssetsAccountedForAsSalesDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_NonQualifiedStockOptionMember" abstract="true" name="NonQualifiedStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="flnc_TheOptionPlanMember" abstract="true" name="TheOptionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentagePaidOutBelowThresholdPerformance" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentagePaidOutBelowThresholdPerformance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="flnc_IndiaPartnershipMember" abstract="true" name="IndiaPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="flnc_SupplyChainFinancingExtendedPaymentTermsPeriod" abstract="false" name="SupplyChainFinancingExtendedPaymentTermsPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="flnc_SupplyChainFinancingNumberOfParties" abstract="false" name="SupplyChainFinancingNumberOfParties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="flnc_SupplyChainFinancingGuaranteeByRelatedParty" abstract="false" name="SupplyChainFinancingGuaranteeByRelatedParty" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="flnc_NumberOfSuppliersParticipatingInProgram" abstract="false" name="NumberOfSuppliersParticipatingInProgram" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="flnc_ContinuingInvolvementWithDerecognizedTransferredFinancialAssetsTerminationNoticePeriod" abstract="false" name="ContinuingInvolvementWithDerecognizedTransferredFinancialAssetsTerminationNoticePeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="flnc_ForeignCurrencyForwardContractMember" abstract="true" name="ForeignCurrencyForwardContractMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="flnc_RevenueFromContractWithCustomerExcludingAssessedTaxMember" abstract="true" name="RevenueFromContractWithCustomerExcludingAssessedTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="flnc_AOCIAttributableToParentBeforeReclassificationAndTaxRollForward" abstract="true" name="AOCIAttributableToParentBeforeReclassificationAndTaxRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
