<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://enphase.com/role/CommitmentsAndContingencies" xlink:href="enph-20150930.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="enph-20150930.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:href="enph-20150930.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="enph-20150930.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:href="enph-20150930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:href="enph-20150930.xsd#CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/DocumentAndEntityInformation" xlink:href="enph-20150930.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurements" xlink:href="enph-20150930.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="enph-20150930.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:href="enph-20150930.xsd#FairValueMeasurementsScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsScheduleOfChangesInNonfinancialLiabilitiesRelatedToWarrantObligationsMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:href="enph-20150930.xsd#FairValueMeasurementsScheduleOfChangesInNonfinancialLiabilitiesRelatedToWarrantObligationsMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsSummaryOfChangesInFinancialLiabilitiesRelatedToContingentConsiderationMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:href="enph-20150930.xsd#FairValueMeasurementsSummaryOfChangesInFinancialLiabilitiesRelatedToContingentConsiderationMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsSummaryOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesDesignatedAsLevel3Details" xlink:href="enph-20150930.xsd#FairValueMeasurementsSummaryOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesDesignatedAsLevel3Details" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/FairValueMeasurementsTables" xlink:href="enph-20150930.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/GoodwillAndIntangibleAssets" xlink:href="enph-20150930.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:href="enph-20150930.xsd#GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/GoodwillAndIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToFiniteLivedIntangibleAssetsDetails" xlink:href="enph-20150930.xsd#GoodwillAndIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToFiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillAndIntangibleAssetsDetails" xlink:href="enph-20150930.xsd#GoodwillAndIntangibleAssetsScheduleOfGoodwillAndIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="enph-20150930.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/IncomeTaxes" xlink:href="enph-20150930.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/Inventory" xlink:href="enph-20150930.xsd#Inventory" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/InventorySummaryOfInventoryDetails" xlink:href="enph-20150930.xsd#InventorySummaryOfInventoryDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/InventoryTables" xlink:href="enph-20150930.xsd#InventoryTables" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/NetIncomeLossPerShare" xlink:href="enph-20150930.xsd#NetIncomeLossPerShare" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/NetIncomeLossPerShareNarrativeDetails" xlink:href="enph-20150930.xsd#NetIncomeLossPerShareNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/NetIncomeLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareDetails" xlink:href="enph-20150930.xsd#NetIncomeLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/NetIncomeLossPerShareScheduleOfPotentiallyDilutiveSecuritiesExcludedFromComputationOfDilutedNetLossPerShareDetails" xlink:href="enph-20150930.xsd#NetIncomeLossPerShareScheduleOfPotentiallyDilutiveSecuritiesExcludedFromComputationOfDilutedNetLossPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/NetIncomeLossPerShareTables" xlink:href="enph-20150930.xsd#NetIncomeLossPerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/OverviewAndSummaryOfSignificantAccountingPolicies" xlink:href="enph-20150930.xsd#OverviewAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="enph-20150930.xsd#OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/ShortTermBorrowings" xlink:href="enph-20150930.xsd#ShortTermBorrowings" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/ShortTermBorrowingsNarrativeDetails" xlink:href="enph-20150930.xsd#ShortTermBorrowingsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensation" xlink:href="enph-20150930.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationNarrativeDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationSummaryOfComponentsOfTotalStockBasedCompensationExpenseDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationSummaryOfComponentsOfTotalStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationSummaryOfStockBasedCompensationAssociatedWithEachTypeOfAwardDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationSummaryOfStockBasedCompensationAssociatedWithEachTypeOfAwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationSummaryOfStockOptionActivityDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationSummaryOfStockOptionActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationSummaryOfWeightedAverageGrantDateFairValueOfOptionsGrantedDetails" xlink:href="enph-20150930.xsd#StockBasedCompensationSummaryOfWeightedAverageGrantDateFairValueOfOptionsGrantedDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/StockBasedCompensationTables" xlink:href="enph-20150930.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/WarrantyObligations" xlink:href="enph-20150930.xsd#WarrantyObligations" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/WarrantyObligationsNarrativeDetails" xlink:href="enph-20150930.xsd#WarrantyObligationsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/WarrantyObligationsSummaryOfWarrantyActivitiesDetails" xlink:href="enph-20150930.xsd#WarrantyObligationsSummaryOfWarrantyActivitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://enphase.com/role/WarrantyObligationsTables" xlink:href="enph-20150930.xsd#WarrantyObligationsTables" xlink:type="simple" />
  <calculationLink xlink:role="http://enphase.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_4d24e56f-a5cb-07ba-0508-f5f1533ae24e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_4d24e56f-a5cb-07ba-0508-f5f1533ae24e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_cd34decb-53b6-e0a9-28d5-0a9741c4b0f8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_eae794c2-73ec-cd91-efb3-99a2ff1f24cf" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:to="loc_us-gaap_InventoryNet_eae794c2-73ec-cd91-efb3-99a2ff1f24cf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_f186537c-a0b4-9ca7-f59a-958a18f111e6" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_39eaeb62-7ee3-5503-48f5-08c2dff05e50" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_f186537c-a0b4-9ca7-f59a-958a18f111e6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7ce178a4-245f-fa78-36a1-552609a67554" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_Goodwill_b108d604-1348-4e65-3817-2944b734c65a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_894a128f-2068-d267-1e3e-64c93d0ed5ca" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b98e689-e6db-3e5b-e5c3-3324fffb4edf" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_effc14df-fd72-eec8-ede9-64e0071b91bc" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b98e689-e6db-3e5b-e5c3-3324fffb4edf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_4ca8aac1-2306-11d6-0ee3-d0bcb454b02f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_4ca8aac1-2306-11d6-0ee3-d0bcb454b02f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualNoncurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_f6024e47-5c5a-4837-f9d1-a6c15e8b3d81" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_f6024e47-5c5a-4837-f9d1-a6c15e8b3d81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_7f5c7cfd-4659-429c-35ab-266d67961421" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_7f5c7cfd-4659-429c-35ab-266d67961421" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_4e70462c-e5f6-e2d9-0cf5-7f1332ddbc05" xlink:to="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_22caddf9-3843-6329-6e39-dc458323b572" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:to="loc_us-gaap_AccountsPayableCurrent_22caddf9-3843-6329-6e39-dc458323b572" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_eaf92fb1-642d-2c65-5ba7-1a63a3697f47" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_eaf92fb1-642d-2c65-5ba7-1a63a3697f47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_a33614ee-2047-2d07-d4dc-cd97b29aa0eb" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:to="loc_us-gaap_DeferredRevenueCurrent_a33614ee-2047-2d07-d4dc-cd97b29aa0eb" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_dc2d2699-bb05-9712-118d-7b99e8fe65c9" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_dc2d2699-bb05-9712-118d-7b99e8fe65c9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_us-gaap_LinesOfCreditCurrent_ccdc175d-a64e-2b38-2e96-c9738ed96fbd" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1de50dbc-01a9-6657-f83f-d1e74edfdf18" xlink:to="loc_us-gaap_LinesOfCreditCurrent_ccdc175d-a64e-2b38-2e96-c9738ed96fbd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_dd6b7206-c19f-4dd5-339b-1369c57cfe0f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_dd6b7206-c19f-4dd5-339b-1369c57cfe0f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_9158c8ad-1189-2464-9c41-553e6a22df6c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_AdditionalPaidInCapital_9158c8ad-1189-2464-9c41-553e6a22df6c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_CommonStockValue_ce40a301-9b6b-9fc3-bfb6-dfbb8fcdf29b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_359b0ac4-80ce-a291-f73b-cff103b81eae" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_PreferredStockValue_359b0ac4-80ce-a291-f73b-cff103b81eae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d0f349aa-18e3-6323-86ad-665f8773c064" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1d565cd0-d7bf-de89-4dbe-a484007b1fe8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_53d4115f-c3d1-6e9c-3f23-fd144b27061e" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4a314f0d-c6fa-5cf2-0be1-add747465af3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_53d4115f-c3d1-6e9c-3f23-fd144b27061e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_9bd3f42f-b4f0-9974-1138-b2e115f0ecf0" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_9bd3f42f-b4f0-9974-1138-b2e115f0ecf0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_7d788ff9-1bb0-e85b-e2f1-868916f4ec6d" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_7d788ff9-1bb0-e85b-e2f1-868916f4ec6d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_bb66d22b-00d8-8213-df94-91578f68ce48" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_bb66d22b-00d8-8213-df94-91578f68ce48" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_fdef3cb2-ec10-67c4-c0cc-b6e268faa4f7" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_a678c20d-a481-ef6a-800a-4bd566075d81" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_fdef3cb2-ec10-67c4-c0cc-b6e268faa4f7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_58a5bd26-e5f4-de8f-6118-f713733148b8" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_386292ff-155c-0309-455a-2b91b395b3da" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_783b94c5-664a-4bc7-f813-8c258cc934b7" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_783b94c5-664a-4bc7-f813-8c258cc934b7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_030f5c40-af7e-2a00-2417-01509e80b7e6" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_030f5c40-af7e-2a00-2417-01509e80b7e6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_ccc55ee1-0a79-d226-c529-f711c0abcdfd" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_ccc55ee1-0a79-d226-c529-f711c0abcdfd" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_8cbefbd3-c0da-e8cd-4d05-220ea9ed4d75" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_8cbefbd3-c0da-e8cd-4d05-220ea9ed4d75" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_ShareBasedCompensation_d4c99b59-c44a-c4ac-309f-0bddfdb944a5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_eec6361a-c94c-2d28-56f0-a37dfa5959ae" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_eec6361a-c94c-2d28-56f0-a37dfa5959ae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_91d80b53-6368-7466-a11d-02030d33de5c" xlink:type="locator" />
    <calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_91d80b53-6368-7466-a11d-02030d33de5c" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_59947135-2495-391e-9e35-ed6effebb894" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_59947135-2495-391e-9e35-ed6effebb894" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_709900d0-f7b0-b950-eae5-eeb8fc36b367" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_709900d0-f7b0-b950-eae5-eeb8fc36b367" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_560659f4-b0e9-f2a5-9b69-760dcc1a16c4" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_560659f4-b0e9-f2a5-9b69-760dcc1a16c4" xlink:type="arc" />
    <loc xlink:href="enph-20150930.xsd#enph_IncreaseDecreaseinProductWarrantyAccrual" xlink:label="loc_enph_IncreaseDecreaseinProductWarrantyAccrual_f69790a8-c66e-24a3-8941-e720539c087b" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_enph_IncreaseDecreaseinProductWarrantyAccrual_f69790a8-c66e-24a3-8941-e720539c087b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ccf69244-7aaf-19cf-90d6-269f163732c4" xlink:type="locator" />
    <calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_916e1eb7-21fa-e5f0-a15f-0b05ed633776" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_ccf69244-7aaf-19cf-90d6-269f163732c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_438c1b09-9f50-5f5e-b6af-87ca1807a1a2" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_ff5db18e-7b91-5a5d-e914-0527b02a8012" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_438c1b09-9f50-5f5e-b6af-87ca1807a1a2" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_bc19f109-5659-a219-a017-37ea6d424a3c" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_640557c9-9806-6bef-9084-9cc792948f77" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_bc19f109-5659-a219-a017-37ea6d424a3c" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:to="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_ae720951-4a78-255d-8bd1-88ff26a27caf" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:to="loc_us-gaap_GrossProfit_ae720951-4a78-255d-8bd1-88ff26a27caf" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_c0661821-9875-3007-18d3-a24455358c7b" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ae720951-4a78-255d-8bd1-88ff26a27caf" xlink:to="loc_us-gaap_CostOfRevenue_c0661821-9875-3007-18d3-a24455358c7b" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_533a4e74-899a-26d7-f9ea-a738a9e615c4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ae720951-4a78-255d-8bd1-88ff26a27caf" xlink:to="loc_us-gaap_SalesRevenueNet_533a4e74-899a-26d7-f9ea-a738a9e615c4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0ea1551e-1643-5e21-4c6e-6431fd87aa68" xlink:to="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_69f193f1-2583-2a25-604c-cc949229c2d8" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_69f193f1-2583-2a25-604c-cc949229c2d8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_6a3cb05a-f9c0-32f6-d20f-a948f53d0ee5" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_6a3cb05a-f9c0-32f6-d20f-a948f53d0ee5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_4466c9c2-563e-0e4c-244e-504a0a74eee1" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_8d80f9f2-ec8e-5a02-2390-b5ea959a18b0" xlink:to="loc_us-gaap_SellingAndMarketingExpense_4466c9c2-563e-0e4c-244e-504a0a74eee1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2c8c6c89-9465-bb81-ea21-29a749a3199b" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_8d3aa4ad-dbea-9eba-4578-5d3b83ba3bc6" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:to="loc_us-gaap_InterestExpense_8d3aa4ad-dbea-9eba-4578-5d3b83ba3bc6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_51486ac3-3cfb-dff4-43ca-0d3980775a1d" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_915682f7-b9cc-2ed3-6852-178ddfcb101f" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_51486ac3-3cfb-dff4-43ca-0d3980775a1d" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_e62ce8b8-4401-2622-8598-3e644745e95e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_b8dcf191-083d-828d-7b9f-e2d2969b89f4" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurements" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsScheduleOfChangesInNonfinancialLiabilitiesRelatedToWarrantObligationsMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsSummaryOfChangesInFinancialLiabilitiesRelatedToContingentConsiderationMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsSummaryOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesDesignatedAsLevel3Details" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/GoodwillAndIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_d2ae3101-f749-ffd5-b93e-6f07027013ae" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_d2ae3101-f749-ffd5-b93e-6f07027013ae" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0395a918-3975-df2b-2aff-c690ea9ff6a6" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0395a918-3975-df2b-2aff-c690ea9ff6a6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_522cf592-49df-8430-14fb-ace2b07d08a6" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_522cf592-49df-8430-14fb-ace2b07d08a6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_f9536b4e-5267-6ef8-a509-7c8008810f55" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_f9536b4e-5267-6ef8-a509-7c8008810f55" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_1435205b-5a1f-afbc-0b39-6d638729472e" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_1435205b-5a1f-afbc-0b39-6d638729472e" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillAndIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0b66a991-68b5-43d2-3cb3-4ea68bba2b7e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0b66a991-68b5-43d2-3cb3-4ea68bba2b7e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5fad788a-33b8-6ace-c3c4-7d91cd9f63e4" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d1f67248-e9b5-f4cc-7b0f-6057f1a3d17a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5fad788a-33b8-6ace-c3c4-7d91cd9f63e4" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/IncomeTaxes" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/Inventory" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/InventorySummaryOfInventoryDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_eae794c2-73ec-cd91-efb3-99a2ff1f24cf" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_0a4251d0-3362-0589-0f60-b37a3563d81e" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_eae794c2-73ec-cd91-efb3-99a2ff1f24cf" xlink:to="loc_us-gaap_InventoryFinishedGoods_0a4251d0-3362-0589-0f60-b37a3563d81e" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="loc_us-gaap_InventoryRawMaterials_ddc44af1-f865-b8f3-ce06-9accf616f903" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_eae794c2-73ec-cd91-efb3-99a2ff1f24cf" xlink:to="loc_us-gaap_InventoryRawMaterials_ddc44af1-f865-b8f3-ce06-9accf616f903" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/InventoryTables" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/NetIncomeLossPerShare" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/NetIncomeLossPerShareNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/NetIncomeLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_8afbf9ec-40f2-ac04-dde9-64f96fdfbf74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0449447d-2475-b5e7-892e-ced6d0229840" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0449447d-2475-b5e7-892e-ced6d0229840" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_8b125500-38cc-a4f9-2931-3e0e48bb1321" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ca9bebe4-4073-b721-7b75-1a0086593d58" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_8b125500-38cc-a4f9-2931-3e0e48bb1321" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/NetIncomeLossPerShareScheduleOfPotentiallyDilutiveSecuritiesExcludedFromComputationOfDilutedNetLossPerShareDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/NetIncomeLossPerShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/OverviewAndSummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/OverviewAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/ShortTermBorrowings" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/ShortTermBorrowingsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationSummaryOfComponentsOfTotalStockBasedCompensationExpenseDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationSummaryOfStockBasedCompensationAssociatedWithEachTypeOfAwardDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationSummaryOfStockOptionActivityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationSummaryOfWeightedAverageGrantDateFairValueOfOptionsGrantedDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/WarrantyObligations" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/WarrantyObligationsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://enphase.com/role/WarrantyObligationsSummaryOfWarrantyActivitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_d1d544f8-7c6d-94c3-8e3e-76c9bfeb01e9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_dc2d2699-bb05-9712-118d-7b99e8fe65c9" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_d1d544f8-7c6d-94c3-8e3e-76c9bfeb01e9" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_dc2d2699-bb05-9712-118d-7b99e8fe65c9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProductWarrantyAccrualNoncurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_f6024e47-5c5a-4837-f9d1-a6c15e8b3d81" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_d1d544f8-7c6d-94c3-8e3e-76c9bfeb01e9" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_f6024e47-5c5a-4837-f9d1-a6c15e8b3d81" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://enphase.com/role/WarrantyObligationsTables" xlink:type="extended" />
</linkbase>
