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  <xs:element id="amrc_NeogenyxFuelsLLCMember" abstract="true" name="NeogenyxFuelsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_HASustainableInfrastructureCapitalInc.Member" abstract="true" name="HASustainableInfrastructureCapitalInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_JointVentureFormationCommittedInvestment" abstract="false" name="JointVentureFormationCommittedInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amrc_JointVentureFormationCommittedInvestmentRemainingToBePaid" abstract="false" name="JointVentureFormationCommittedInvestmentRemainingToBePaid" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amrc_NumberOfInvestmentFunds" abstract="false" name="NumberOfInvestmentFunds" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="amrc_AdjustmentForAccretionOfTaxEquityFinancingFees" abstract="false" name="AdjustmentForAccretionOfTaxEquityFinancingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amrc_EarningsPerShareBasicAndDilutedDisclosureAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedDisclosureAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amrc_PerformanceShareOptionsMember" abstract="true" name="PerformanceShareOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_StockIncentive2020PlanMember" abstract="true" name="StockIncentive2020PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_EmployeeMember" abstract="true" name="EmployeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_ShareBasedPaymentArrangementTrancheFourMember" abstract="true" name="ShareBasedPaymentArrangementTrancheFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="amrc_ShareBasedPaymentArrangementNonvestedAwardOptionCostNotYetRecognizedAdditionalAmount" abstract="false" name="ShareBasedPaymentArrangementNonvestedAwardOptionCostNotYetRecognizedAdditionalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="amrc_NumberOfReportableSegmentsDisclosedByDefinitionFlag" abstract="false" name="NumberOfReportableSegmentsDisclosedByDefinitionFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:booleanItemType"/>
  <xs:element id="amrc_SegmentReportingReconciliationAdditionsAbstract" abstract="true" name="SegmentReportingReconciliationAdditionsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amrc_SegmentReportingReconciliationLessAbstract" abstract="true" name="SegmentReportingReconciliationLessAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amrc_SegmentReportingOtherNonCashSegmentDisclosuresAbstract" abstract="true" name="SegmentReportingOtherNonCashSegmentDisclosuresAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="amrc_JenniferMillerMember" abstract="true" name="JenniferMillerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
