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    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="enph_AmountOfLiquidityRequiredForDebtCompliance" name="AmountOfLiquidityRequiredForDebtCompliance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="enph_AmountOfUndrawnCreditForDebtCompliance" name="AmountOfUndrawnCreditForDebtCompliance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="enph_AntidilutiveSecuritiesAbstract" name="AntidilutiveSecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="enph_BusinessCombinationContingentConsiderationArrangementsDeterminationPeriod" name="BusinessCombinationContingentConsiderationArrangementsDeterminationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="enph_BusinessCombinationContingentConsiderationNumberOfPayments" name="BusinessCombinationContingentConsiderationNumberOfPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="enph_CondensedFinancialStatementsPolicyPolicyTextBlock" name="CondensedFinancialStatementsPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="enph_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="enph_EmployeeStockOptionsAndRestrictedStockUnitsMember" name="EmployeeStockOptionsAndRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueInputsProfitElementandRiskPremium" name="FairValueInputsProfitElementandRiskPremium" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAdjustments" name="FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisOther" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisPayments" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisWarrantiesIssued" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisWarrantiesIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="enph_FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityChangeinEstimate" name="FairValueMeasurementwithUnobservableInputsReconciliationsRecurringBasisLiabilityChangeinEstimate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="enph_IncreaseDecreaseinProductWarrantyAccrual" name="IncreaseDecreaseinProductWarrantyAccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="enph_NextPhaseSolarInc.Member" name="NextPhaseSolarInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="enph_ProductWarrantyAccrualAccretionExpense" name="ProductWarrantyAccrualAccretionExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="enph_ProductWarrantyAccrualCurrentFairValueDisclosure" name="ProductWarrantyAccrualCurrentFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="enph_ProductWarrantyAccrualNoncurrentFairValueDisclosure" name="ProductWarrantyAccrualNoncurrentFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="enph_ProductWarrantyAccrualOther" name="ProductWarrantyAccrualOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="enph_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedIntrinsicValueValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedIntrinsicValueValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="enph_WarrantyObligationsAtFairValueIncreaseInFairValueResultingFromOnePercentagePointDecreaseInDiscountRate" name="WarrantyObligationsAtFairValueIncreaseInFairValueResultingFromOnePercentagePointDecreaseInDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="enph_WarrantyObligationsatFairValueDecreaseinFairValueResultingfromOnePercentagePointIncreaseinDiscountRate" name="WarrantyObligationsatFairValueDecreaseinFairValueResultingfromOnePercentagePointIncreaseinDiscountRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="enph_WellsFargoBankMember" name="WellsFargoBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
