<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:89db5cb2-2d64-4049-9c12-b9b633e3f1fb,g:74baeb0f-e929-4406-8980-c5f971dac0e1-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.algonquinpower.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="aqunf-20210630.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_e90c7b25-26a6-4238-8a9f-a715a8c261d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_53bdc40d-7cf6-4b12-a9e3-1a332c88d758" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_e90c7b25-26a6-4238-8a9f-a715a8c261d9" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_53bdc40d-7cf6-4b12-a9e3-1a332c88d758" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f0879d5c-2bc0-4ad5-ac6a-08b9db33d72b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_e90c7b25-26a6-4238-8a9f-a715a8c261d9" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f0879d5c-2bc0-4ad5-ac6a-08b9db33d72b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_c1051ccd-be0f-42eb-aca9-d2d0e4117792" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_cb1994f4-87ce-494e-ac97-abf61d548a9a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_c1051ccd-be0f-42eb-aca9-d2d0e4117792" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_cb1994f4-87ce-494e-ac97-abf61d548a9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_cb47344e-99e4-4946-8ab0-72c8005ec060" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_c1051ccd-be0f-42eb-aca9-d2d0e4117792" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_cb47344e-99e4-4946-8ab0-72c8005ec060" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_187a0199-db2f-43f4-8a5f-61dacd1cb8dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_c1051ccd-be0f-42eb-aca9-d2d0e4117792" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_187a0199-db2f-43f4-8a5f-61dacd1cb8dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e6d2ab80-4111-46be-99ec-ec0fae9c3482" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_c1051ccd-be0f-42eb-aca9-d2d0e4117792" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e6d2ab80-4111-46be-99ec-ec0fae9c3482" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_45575a2b-a34e-4553-b5a6-77ea3ad6f239" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ec1f2314-ea5f-4d9d-b2f5-031dd0567910" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_45575a2b-a34e-4553-b5a6-77ea3ad6f239" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ec1f2314-ea5f-4d9d-b2f5-031dd0567910" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_76a03228-bef4-477c-a6c3-e6c83864448e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_45575a2b-a34e-4553-b5a6-77ea3ad6f239" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_76a03228-bef4-477c-a6c3-e6c83864448e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_943cee78-05cb-4d07-9517-a4f9bda3bb67" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_77142c7e-182a-4a1a-938e-0e8ab68bc8f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_943cee78-05cb-4d07-9517-a4f9bda3bb67" xlink:to="loc_us-gaap_CostsAndExpenses_77142c7e-182a-4a1a-938e-0e8ab68bc8f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6addb259-0a05-439c-8ade-cb90a32d0163" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_943cee78-05cb-4d07-9517-a4f9bda3bb67" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6addb259-0a05-439c-8ade-cb90a32d0163" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_8998525a-47aa-44ef-9cbc-d52a1daaf644" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_74d8aaef-364f-4ac0-9238-704748bf286d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8998525a-47aa-44ef-9cbc-d52a1daaf644" xlink:to="loc_us-gaap_ProfitLoss_74d8aaef-364f-4ac0-9238-704748bf286d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_156ed18d-459c-4df5-b06a-2bb7422a2ac7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8998525a-47aa-44ef-9cbc-d52a1daaf644" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_156ed18d-459c-4df5-b06a-2bb7422a2ac7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty_3acdbebf-608c-4e4a-90ea-3ac3216bbcc9" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8998525a-47aa-44ef-9cbc-d52a1daaf644" xlink:to="loc_aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty_3acdbebf-608c-4e4a-90ea-3ac3216bbcc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_d1560bb2-22ef-4889-a4c9-6b68004ab04b" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty_2667292a-5dc5-4e49-ae20-2809e77c0ade" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_d1560bb2-22ef-4889-a4c9-6b68004ab04b" xlink:to="loc_aqunf_NetIncomeLossAttributabletoNoncontrollingInterestHeldByRelatedParty_2667292a-5dc5-4e49-ae20-2809e77c0ade" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_160027e1-5ccc-4085-914a-8654f22980db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_d1560bb2-22ef-4889-a4c9-6b68004ab04b" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_160027e1-5ccc-4085-914a-8654f22980db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9e15b189-9b2d-4aec-a4f4-6adf96677904" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_us-gaap_OperatingIncomeLoss_9e15b189-9b2d-4aec-a4f4-6adf96677904" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOtherLongTermDebt_4c318f70-1ecb-4a72-9eef-46ba0ca7b79a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseOtherLongTermDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_us-gaap_InterestExpenseOtherLongTermDebt_4c318f70-1ecb-4a72-9eef-46ba0ca7b79a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_6258017d-7b6e-48a7-9c50-fdefba41a7a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_us-gaap_GainLossOnInvestments_6258017d-7b6e-48a7-9c50-fdefba41a7a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingExpense_c00c409d-cee9-4fba-880b-f0a724c068b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_us-gaap_OtherNonoperatingExpense_c00c409d-cee9-4fba-880b-f0a724c068b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_8a98f78a-0ffb-40c1-b256-5cea219b15e6" xlink:href="aqunf-20210630.xsd#aqunf_DefinedBenefitPlanNonserviceCostsTotal"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_8a98f78a-0ffb-40c1-b256-5cea219b15e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_8877b52f-997b-46fe-a9ca-33d5302dc2a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnOilAndGasHedgingActivity"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3ac1c896-73aa-4b7d-b8ee-894336991f89" xlink:to="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_8877b52f-997b-46fe-a9ca-33d5302dc2a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributableToCommonStockHoldersBasicAndDiluted_1f4e673c-8f05-4ff2-8770-c0a58c048330" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributableToCommonStockHoldersBasicAndDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5923a789-e61d-4534-b940-56d3e0898f7b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToCommonStockHoldersBasicAndDiluted_1f4e673c-8f05-4ff2-8770-c0a58c048330" xlink:to="loc_us-gaap_NetIncomeLoss_5923a789-e61d-4534-b940-56d3e0898f7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_53607c91-e144-4dbd-8013-07968a027073" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToCommonStockHoldersBasicAndDiluted_1f4e673c-8f05-4ff2-8770-c0a58c048330" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_53607c91-e144-4dbd-8013-07968a027073" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="aqunf-20210630.xsd#ConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_667c0644-5a9d-4b9f-9aba-2d3bd4d21d9b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_e0d3a2ce-c8cc-40db-a3d9-7389302e4433" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_667c0644-5a9d-4b9f-9aba-2d3bd4d21d9b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_e0d3a2ce-c8cc-40db-a3d9-7389302e4433" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_aa692c8c-186c-49b3-8e0d-2f4adb482ce6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_667c0644-5a9d-4b9f-9aba-2d3bd4d21d9b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_aa692c8c-186c-49b3-8e0d-2f4adb482ce6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_075083f0-0b34-427c-99e2-e663f3fd317e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_667c0644-5a9d-4b9f-9aba-2d3bd4d21d9b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_075083f0-0b34-427c-99e2-e663f3fd317e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_238d4a5e-8d39-48de-9250-dbee08cd5731" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_43348d15-1b71-4046-aee8-610aa9e1c852" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_238d4a5e-8d39-48de-9250-dbee08cd5731" xlink:to="loc_us-gaap_ProfitLoss_43348d15-1b71-4046-aee8-610aa9e1c852" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_3bb2d74f-0ff1-48b3-881a-af321268f1ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_238d4a5e-8d39-48de-9250-dbee08cd5731" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_3bb2d74f-0ff1-48b3-881a-af321268f1ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_6045f664-0841-44ca-bcc2-5d756a91ad06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_99c49894-e87d-4892-8f8c-e34a65882ca9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6045f664-0841-44ca-bcc2-5d756a91ad06" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_99c49894-e87d-4892-8f8c-e34a65882ca9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7cf095ed-23e5-483b-9ade-89decb5ea97a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_6045f664-0841-44ca-bcc2-5d756a91ad06" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7cf095ed-23e5-483b-9ade-89decb5ea97a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="aqunf-20210630.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_b993f571-43e7-43bb-9939-492ca15b58df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_b993f571-43e7-43bb-9939-492ca15b58df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_0b20bc0e-c04a-4911-b94e-e20d2a3960f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_0b20bc0e-c04a-4911-b94e-e20d2a3960f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_a9d46bc6-9b4f-4288-9803-3d88808160cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyRelatedInventoryNaturalGasInStorage"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_a9d46bc6-9b4f-4288-9803-3d88808160cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_6cc8f091-d83a-43f8-a538-51b4341caeba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_6cc8f091-d83a-43f8-a538-51b4341caeba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_e22d66e6-1982-43e3-99d9-5ab5e95cf225" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_e22d66e6-1982-43e3-99d9-5ab5e95cf225" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_765afb8c-dc50-4bbd-958d-832578d5b9b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_765afb8c-dc50-4bbd-958d-832578d5b9b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_45190cc7-fc0d-432e-aa84-b81b989f88a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_45190cc7-fc0d-432e-aa84-b81b989f88a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_d86705a0-9fd3-4dac-a102-7dbe265213bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_75402415-2aa8-47dd-9cf4-ae385d3d396f" xlink:to="loc_us-gaap_OtherAssetsCurrent_d86705a0-9fd3-4dac-a102-7dbe265213bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_RedeemableNoncontrollingInterestEquity_c5943ab0-4459-4430-ab72-717b505218c6" xlink:href="aqunf-20210630.xsd#aqunf_RedeemableNoncontrollingInterestEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_RedeemableNoncontrollingInterestRelatedPartyCarryingAmount_20982352-e9f4-44d6-b684-18cb8c4b78cb" xlink:href="aqunf-20210630.xsd#aqunf_RedeemableNoncontrollingInterestRelatedPartyCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_RedeemableNoncontrollingInterestEquity_c5943ab0-4459-4430-ab72-717b505218c6" xlink:to="loc_aqunf_RedeemableNoncontrollingInterestRelatedPartyCarryingAmount_20982352-e9f4-44d6-b684-18cb8c4b78cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_55c1dd04-202a-40b5-ac6e-3567345ecc3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_RedeemableNoncontrollingInterestEquity_c5943ab0-4459-4430-ab72-717b505218c6" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_55c1dd04-202a-40b5-ac6e-3567345ecc3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_bfafe7aa-4f5f-4021-8968-08f3c315bf4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_e10df6f1-d5c9-47ea-ad1f-65f549473e96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_bfafe7aa-4f5f-4021-8968-08f3c315bf4a" xlink:to="loc_us-gaap_Liabilities_e10df6f1-d5c9-47ea-ad1f-65f549473e96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_RedeemableNoncontrollingInterestEquity_eb602776-4e2b-4228-a01f-40d6e0fcd654" xlink:href="aqunf-20210630.xsd#aqunf_RedeemableNoncontrollingInterestEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_bfafe7aa-4f5f-4021-8968-08f3c315bf4a" xlink:to="loc_aqunf_RedeemableNoncontrollingInterestEquity_eb602776-4e2b-4228-a01f-40d6e0fcd654" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_eee9b598-0320-4d29-89c1-59273bf44c88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_bfafe7aa-4f5f-4021-8968-08f3c315bf4a" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_eee9b598-0320-4d29-89c1-59273bf44c88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4e63e5ce-db23-476a-887a-e47a3bf2e22a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_bfafe7aa-4f5f-4021-8968-08f3c315bf4a" xlink:to="loc_us-gaap_CommitmentsAndContingencies_4e63e5ce-db23-476a-887a-e47a3bf2e22a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_afe10ea8-b3e5-4fc3-bb2d-ca58dd9c2b02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0aec18aa-72d8-4beb-a154-2d730cf26016" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_afe10ea8-b3e5-4fc3-bb2d-ca58dd9c2b02" xlink:to="loc_us-gaap_StockholdersEquity_0aec18aa-72d8-4beb-a154-2d730cf26016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_857be596-d435-46f2-acca-478115ec5f68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_afe10ea8-b3e5-4fc3-bb2d-ca58dd9c2b02" xlink:to="loc_us-gaap_MinorityInterest_857be596-d435-46f2-acca-478115ec5f68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_8eb682df-93a0-4864-a031-4c61c29143a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:to="loc_us-gaap_PreferredStockValue_8eb682df-93a0-4864-a031-4c61c29143a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_477421bf-bf8b-4360-8074-54b0890d41d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:to="loc_us-gaap_CommonStockValue_477421bf-bf8b-4360-8074-54b0890d41d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_4b825850-1815-416f-9294-09f103435339" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:to="loc_us-gaap_AdditionalPaidInCapital_4b825850-1815-416f-9294-09f103435339" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_ecfa829e-8593-41c5-b670-33486e30e3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_ecfa829e-8593-41c5-b670-33486e30e3bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_b511541f-ab43-49a0-9c2b-45fde1007a96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_a5bddbba-5fa1-4a6c-a47d-f1936ede7ffa" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_b511541f-ab43-49a0-9c2b-45fde1007a96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_07ad4efe-9553-4c49-8c0b-6c43b354c014" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_LiabilitiesCurrent_07ad4efe-9553-4c49-8c0b-6c43b354c014" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_06fd16f5-c6a8-4668-842e-d50b491a898e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_06fd16f5-c6a8-4668-842e-d50b491a898e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_2abd5961-74f9-4f50-b410-ebaaa022006d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_2abd5961-74f9-4f50-b410-ebaaa022006d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_92b8c097-d08b-4e21-a696-3bd054bbcd4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_92b8c097-d08b-4e21-a696-3bd054bbcd4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_8156e385-463e-4b87-86ac-de23796aa614" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_8156e385-463e-4b87-86ac-de23796aa614" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_aeaa21ef-b9f5-4abd-87d4-90a7de37c2b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_aeaa21ef-b9f5-4abd-87d4-90a7de37c2b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_12a3e7f7-1e72-4c80-867a-13541fa1cf0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_0fd30eea-9080-466d-b45e-c7b4c27f9bbc" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_12a3e7f7-1e72-4c80-867a-13541fa1cf0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_c6095667-e3f6-4fee-ad58-c371a5ea8685" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_AccountsPayableCurrent_c6095667-e3f6-4fee-ad58-c371a5ea8685" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_aa1c4027-22e9-4398-9001-cabd739303a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_aa1c4027-22e9-4398-9001-cabd739303a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrent_7170a615-581d-424b-b8cd-3a7e39944519" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_DividendsPayableCurrent_7170a615-581d-424b-b8cd-3a7e39944519" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent_d9ac30f8-4e72-462f-9e0b-11bc3edc1e70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_RegulatoryLiabilityCurrent_d9ac30f8-4e72-462f-9e0b-11bc3edc1e70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_ae614b52-5f0d-4dbe-b1ea-3329c798e21d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_LongTermDebtCurrent_ae614b52-5f0d-4dbe-b1ea-3329c798e21d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent_ae806d81-b67e-4516-99e1-90fd7c1d3a64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent_ae806d81-b67e-4516-99e1-90fd7c1d3a64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_e30feeac-265e-42fb-a66a-1a132097e702" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_e30feeac-265e-42fb-a66a-1a132097e702" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_a7dcc702-54b3-42a8-b521-abdadc46ac83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_c6776a10-4f8d-4f22-ab90-2d6beb1bacac" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_a7dcc702-54b3-42a8-b521-abdadc46ac83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_10c92157-e225-4b5a-b1d2-550ec3775cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_StockholdersEquityAttributabletoNoncontrollingInterestThirdParty_46fe6d46-9a2e-4b32-ba1b-fb498271b4da" xlink:href="aqunf-20210630.xsd#aqunf_StockholdersEquityAttributabletoNoncontrollingInterestThirdParty"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_MinorityInterest_10c92157-e225-4b5a-b1d2-550ec3775cf8" xlink:to="loc_aqunf_StockholdersEquityAttributabletoNoncontrollingInterestThirdParty_46fe6d46-9a2e-4b32-ba1b-fb498271b4da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_StockholdersEquityAttributabletoNoncontrollingInterestRelatedParty_5ac0e624-6a38-4019-bc6b-80f8159cea75" xlink:href="aqunf-20210630.xsd#aqunf_StockholdersEquityAttributabletoNoncontrollingInterestRelatedParty"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_MinorityInterest_10c92157-e225-4b5a-b1d2-550ec3775cf8" xlink:to="loc_aqunf_StockholdersEquityAttributabletoNoncontrollingInterestRelatedParty_5ac0e624-6a38-4019-bc6b-80f8159cea75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_0353f3a3-4953-4fac-aa65-fba91bfd3d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_AssetsCurrent_0353f3a3-4953-4fac-aa65-fba91bfd3d0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_2b613c30-1f4f-493b-87c5-60bf31c5b016" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_2b613c30-1f4f-493b-87c5-60bf31c5b016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_df1f86a1-5ab9-4b4a-81c5-df947aae4e01" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_df1f86a1-5ab9-4b4a-81c5-df947aae4e01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_76f0012f-ae16-4541-856d-b9f868176248" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_Goodwill_76f0012f-ae16-4541-856d-b9f868176248" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_b2db1fe1-348f-4250-b209-bf02fce93194" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_b2db1fe1-348f-4250-b209-bf02fce93194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_49ab1c46-b222-43d9-ba23-3ef2e250b7af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_49ab1c46-b222-43d9-ba23-3ef2e250b7af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_5d9ec613-f965-46d9-bf9e-087d8f190208" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_5d9ec613-f965-46d9-bf9e-087d8f190208" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsFairValueDisclosure_39549c49-7813-4d53-a602-e7730145a2cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentsFairValueDisclosure"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_EquityMethodInvestmentsFairValueDisclosure_39549c49-7813-4d53-a602-e7730145a2cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestments_fcf8c7cb-ae04-4ca5-8c53-836ed77d5a51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLongTermInvestments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_OtherLongTermInvestments_fcf8c7cb-ae04-4ca5-8c53-836ed77d5a51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_95887492-8733-4a91-ae4f-1f4cd283725a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_9a6a6d47-062a-46a0-86c8-bc29cf1c9dea" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_95887492-8733-4a91-ae4f-1f4cd283725a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="aqunf-20210630.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_f7da0fe4-786e-4d14-b54d-a4ae1a69e826" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_f7da0fe4-786e-4d14-b54d-a4ae1a69e826" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLongtermInvestments_db8dd789-29f9-46de-9446-9a3cb4b9a1cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireLongtermInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_us-gaap_PaymentsToAcquireLongtermInvestments_db8dd789-29f9-46de-9446-9a3cb4b9a1cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_7c1cff32-15e0-4de0-bbf6-600b8cd94479" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_7c1cff32-15e0-4de0-bbf6-600b8cd94479" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_PaymentstoAcquireOtherAssets.InvestingActivities_f744edfc-729b-4e7e-8d5d-4948fd8b7a50" xlink:href="aqunf-20210630.xsd#aqunf_PaymentstoAcquireOtherAssets.InvestingActivities"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_aqunf_PaymentstoAcquireOtherAssets.InvestingActivities_f744edfc-729b-4e7e-8d5d-4948fd8b7a50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ProceedsfromCollectionofPrincipalonDevelopmentLoansReceivable_021d2365-a9a7-442e-acf0-da7c3f73f13c" xlink:href="aqunf-20210630.xsd#aqunf_ProceedsfromCollectionofPrincipalonDevelopmentLoansReceivable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_aqunf_ProceedsfromCollectionofPrincipalonDevelopmentLoansReceivable_021d2365-a9a7-442e-acf0-da7c3f73f13c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_7f2f353a-25b6-4fc7-a22f-10b581d21984" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_00d0f1e9-e42a-48e4-b927-607e489b30c8" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_7f2f353a-25b6-4fc7-a22f-10b581d21984" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_f19e2f24-2101-4bce-9b20-63dbd3ea27dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_f19e2f24-2101-4bce-9b20-63dbd3ea27dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_9be33620-5f17-4545-ab3c-defe2fbd0bd1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_9be33620-5f17-4545-ab3c-defe2fbd0bd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ProceedsfromIssuanceofCommonStockNetofStockIssuanceCosts_6a5c574a-8ded-4d08-9002-77b9458355dc" xlink:href="aqunf-20210630.xsd#aqunf_ProceedsfromIssuanceofCommonStockNetofStockIssuanceCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_aqunf_ProceedsfromIssuanceofCommonStockNetofStockIssuanceCosts_6a5c574a-8ded-4d08-9002-77b9458355dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_f56a3eff-9a42-45ff-bde6-e45be606862f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_f56a3eff-9a42-45ff-bde6-e45be606862f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_9f80fada-a677-4259-8c70-fe82ddc13a9f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_9f80fada-a677-4259-8c70-fe82ddc13a9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_7b6adc61-0b82-4378-aced-f6dbcae95e44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_7b6adc61-0b82-4378-aced-f6dbcae95e44" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ProceedsfromNoncontrollingInterestsProductionBased_3d02da6f-2ff7-41c1-ad3a-a7f90c8b03c0" xlink:href="aqunf-20210630.xsd#aqunf_ProceedsfromNoncontrollingInterestsProductionBased"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_aqunf_ProceedsfromNoncontrollingInterestsProductionBased_3d02da6f-2ff7-41c1-ad3a-a7f90c8b03c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_PaymentstoNoncontrollingInterestsRelatedParty_6edcf3f2-df34-4892-afef-c0225065ea90" xlink:href="aqunf-20210630.xsd#aqunf_PaymentstoNoncontrollingInterestsRelatedParty"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_aqunf_PaymentstoNoncontrollingInterestsRelatedParty_6edcf3f2-df34-4892-afef-c0225065ea90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_c59371e6-2f4b-4cea-9b9a-a1f5e940d2cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_c59371e6-2f4b-4cea-9b9a-a1f5e940d2cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_a9845198-e609-426b-b6b8-41940f1939ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_a9845198-e609-426b-b6b8-41940f1939ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_0cada837-60df-4715-8547-4b6fe0b39ca7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_0cada837-60df-4715-8547-4b6fe0b39ca7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b1ded686-d29c-4f68-8812-df4190d56cb4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_b1ded686-d29c-4f68-8812-df4190d56cb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_9443d738-4e0b-43f8-9ee9-fbbb3dc4264c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_892c5d94-d067-4238-abd1-65e9dfe3f03c" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_9443d738-4e0b-43f8-9ee9-fbbb3dc4264c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_d2570fcf-1a5d-442f-817d-8fce7ce3c190" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_d2570fcf-1a5d-442f-817d-8fce7ce3c190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DepreciationandAmortizationofOtherExpense_e33d5613-bc0b-463f-9781-8b44a5f9bdd8" xlink:href="aqunf-20210630.xsd#aqunf_DepreciationandAmortizationofOtherExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_aqunf_DepreciationandAmortizationofOtherExpense_e33d5613-bc0b-463f-9781-8b44a5f9bdd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f404abde-682a-467a-87e4-d8441c02398f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_f404abde-682a-467a-87e4-d8441c02398f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_5d237034-74f1-4e1e-9ce5-5a0dde056328" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_5d237034-74f1-4e1e-9ce5-5a0dde056328" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_e35f112a-6e8f-451b-8859-5af229cfe162" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_ShareBasedCompensation_e35f112a-6e8f-451b-8859-5af229cfe162" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_4b244fbc-7ae3-46ad-b498-34ab3b9e90bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_4b244fbc-7ae3-46ad-b498-34ab3b9e90bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_f5c9d182-d22a-4d97-ace7-bbc82700b438" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_f5c9d182-d22a-4d97-ace7-bbc82700b438" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_a7a989f0-64b8-461d-bf9f-a5be4f47bb79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_a7a989f0-64b8-461d-bf9f-a5be4f47bb79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_91cdb177-7682-4271-9b57-ee99c84b16a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_91cdb177-7682-4271-9b57-ee99c84b16a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_ab4ee6cb-ca4d-4e65-8243-d41ce92b3c36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_ab4ee6cb-ca4d-4e65-8243-d41ce92b3c36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_IncreaseDecreaseinOperatingCapitalContinuingOperations_31b72020-1327-4db2-8c4b-ff76cc0af41f" xlink:href="aqunf-20210630.xsd#aqunf_IncreaseDecreaseinOperatingCapitalContinuingOperations"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_84587df0-5fba-4c3a-9386-0d17c28cf3f1" xlink:to="loc_aqunf_IncreaseDecreaseinOperatingCapitalContinuingOperations_31b72020-1327-4db2-8c4b-ff76cc0af41f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_352c318f-70a4-462a-acd3-9ad4b6f3ae3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0a97b41e-2f5b-4d09-b5aa-c3793eab63fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_352c318f-70a4-462a-acd3-9ad4b6f3ae3e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_0a97b41e-2f5b-4d09-b5aa-c3793eab63fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6de0c918-209a-4f29-a18a-ad1f2d0194ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_352c318f-70a4-462a-acd3-9ad4b6f3ae3e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6de0c918-209a-4f29-a18a-ad1f2d0194ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e581ee4c-5cfb-4f5a-b4e3-24e84ab2bdfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_352c318f-70a4-462a-acd3-9ad4b6f3ae3e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_e581ee4c-5cfb-4f5a-b4e3-24e84ab2bdfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0e92f714-4287-4293-8d01-9db11314bd01" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_352c318f-70a4-462a-acd3-9ad4b6f3ae3e" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0e92f714-4287-4293-8d01-9db11314bd01" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/BusinessandassetacquisitionsDetails" xlink:type="simple" xlink:href="aqunf-20210630.xsd#BusinessandassetacquisitionsDetails"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/BusinessandassetacquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3793e8ef-9f6b-43ad-b835-e268df791cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_ca281024-9353-45d4-b965-cae402024b42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3793e8ef-9f6b-43ad-b835-e268df791cc8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_ca281024-9353-45d4-b965-cae402024b42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetOfCashAndCashEquivalents_61c5a821-932a-44e8-80a2-9a2fa0ad8e2f" xlink:href="aqunf-20210630.xsd#aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetOfCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3793e8ef-9f6b-43ad-b835-e268df791cc8" xlink:to="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetOfCashAndCashEquivalents_61c5a821-932a-44e8-80a2-9a2fa0ad8e2f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/BusinessandassetacquisitionsDetails_1" xlink:type="simple" xlink:href="aqunf-20210630.xsd#BusinessandassetacquisitionsDetails_1"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/BusinessandassetacquisitionsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsWorkingCapital_cfbd96c2-5246-492e-b5a2-b91b679ca413" xlink:href="aqunf-20210630.xsd#aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsWorkingCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsWorkingCapital_cfbd96c2-5246-492e-b5a2-b91b679ca413" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_cdfd0b2d-38f8-4cc2-9e47-86ee92ff3558" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_cdfd0b2d-38f8-4cc2-9e47-86ee92ff3558" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_455a6ac7-7eb7-4dd1-a84c-79aa60d79f8d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_455a6ac7-7eb7-4dd1-a84c-79aa60d79f8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesAssetRetirementObligation_e30fec4a-bd85-4277-8696-47fecf6a83e9" xlink:href="aqunf-20210630.xsd#aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesAssetRetirementObligation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesAssetRetirementObligation_e30fec4a-bd85-4277-8696-47fecf6a83e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_cded983b-fcf6-469d-90c1-69003e8e8c77" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_cded983b-fcf6-469d-90c1-69003e8e8c77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNoncontrollingInterest_004958b2-b6a4-4d55-8c8f-e342b54e10ab" xlink:href="aqunf-20210630.xsd#aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNoncontrollingInterest"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNoncontrollingInterest_004958b2-b6a4-4d55-8c8f-e342b54e10ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedDerivativeAssets_59bee012-ac84-463c-a72f-fa5685bc714c" xlink:href="aqunf-20210630.xsd#aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedDerivativeAssets"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_aqunf_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedDerivativeAssets_59bee012-ac84-463c-a72f-fa5685bc714c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_a413d606-839e-478e-bf97-0660a0007f68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e6ec2cf1-5fa8-4db4-b096-058e2a5af656" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_a413d606-839e-478e-bf97-0660a0007f68" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/RegulatorymattersRegulatoryAssetsandLiabilitiesDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#RegulatorymattersRegulatoryAssetsandLiabilitiesDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/RegulatorymattersRegulatoryAssetsandLiabilitiesDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssets_476bd82a-1952-407c-b3b1-c3b051ac1bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_30faa957-bd69-4fd2-ba38-45502fddbf30" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryAssets_476bd82a-1952-407c-b3b1-c3b051ac1bf2" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_30faa957-bd69-4fd2-ba38-45502fddbf30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_9ee9c042-0aa7-497c-87e0-65b33f7b598a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryAssets_476bd82a-1952-407c-b3b1-c3b051ac1bf2" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_9ee9c042-0aa7-497c-87e0-65b33f7b598a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilities_b24e67f3-777e-4daa-82bd-d31710d38c38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent_c4bbcc41-fde3-4d9b-ac30-520abba93140" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryLiabilities_b24e67f3-777e-4daa-82bd-d31710d38c38" xlink:to="loc_us-gaap_RegulatoryLiabilityCurrent_c4bbcc41-fde3-4d9b-ac30-520abba93140" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_a205b3aa-79df-4e58-90c0-6dd1919df7c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatoryLiabilities_b24e67f3-777e-4daa-82bd-d31710d38c38" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_a205b3aa-79df-4e58-90c0-6dd1919df7c2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/LongterminvestmentsScheduleofLongTermInvestmentsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#LongterminvestmentsScheduleofLongTermInvestmentsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/LongterminvestmentsScheduleofLongTermInvestmentsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_b076bbe7-081c-44b7-80a3-960ee01cf0d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NoncontrollingInterestinPartnershipsandJointVentures_ea8f47d1-bd4c-4d64-8206-086014f1e380" xlink:href="aqunf-20210630.xsd#aqunf_NoncontrollingInterestinPartnershipsandJointVentures"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermInvestments_b076bbe7-081c-44b7-80a3-960ee01cf0d1" xlink:to="loc_aqunf_NoncontrollingInterestinPartnershipsandJointVentures_ea8f47d1-bd4c-4d64-8206-086014f1e380" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet_44bcaf05-3501-486f-bcc3-6df89a97995b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesReceivableNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermInvestments_b076bbe7-081c-44b7-80a3-960ee01cf0d1" xlink:to="loc_us-gaap_NotesReceivableNet_44bcaf05-3501-486f-bcc3-6df89a97995b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInvestments_23780663-c5c6-4d65-b253-6722f0cc6b7a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermInvestments_b076bbe7-081c-44b7-80a3-960ee01cf0d1" xlink:to="loc_us-gaap_OtherInvestments_23780663-c5c6-4d65-b253-6722f0cc6b7a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/LongterminvestmentsIncomefromLongtermInvestmentsDetails" xlink:type="simple" xlink:href="aqunf-20210630.xsd#LongterminvestmentsIncomefromLongtermInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/LongterminvestmentsIncomefromLongtermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_44a0d240-b86b-4777-9478-1019118d5cec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_EquityMethodInvestmentFairValueGainLoss_47171c38-eb8c-4b61-9a94-2d39ba63e16b" xlink:href="aqunf-20210630.xsd#aqunf_EquityMethodInvestmentFairValueGainLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnInvestments_44a0d240-b86b-4777-9478-1019118d5cec" xlink:to="loc_aqunf_EquityMethodInvestmentFairValueGainLoss_47171c38-eb8c-4b61-9a94-2d39ba63e16b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_EquityMethodInvestmentInterestIncome_22bfcc80-7f49-48cd-9bd0-6f0d5735f556" xlink:href="aqunf-20210630.xsd#aqunf_EquityMethodInvestmentInterestIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnInvestments_44a0d240-b86b-4777-9478-1019118d5cec" xlink:to="loc_aqunf_EquityMethodInvestmentInterestIncome_22bfcc80-7f49-48cd-9bd0-6f0d5735f556" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b1cc5882-ec47-48b0-8611-6ae25b3c18e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnInvestments_44a0d240-b86b-4777-9478-1019118d5cec" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_b1cc5882-ec47-48b0-8611-6ae25b3c18e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_InterestandOtherIncomefromEquityMethodInvestments_55056695-87cb-4dbb-9faf-d475e4e9034c" xlink:href="aqunf-20210630.xsd#aqunf_InterestandOtherIncomefromEquityMethodInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnInvestments_44a0d240-b86b-4777-9478-1019118d5cec" xlink:to="loc_aqunf_InterestandOtherIncomefromEquityMethodInvestments_55056695-87cb-4dbb-9faf-d475e4e9034c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/LongtermdebtScheduleofLongtermDebtDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#LongtermdebtScheduleofLongtermDebtDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/LongtermdebtScheduleofLongtermDebtDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_02e9717f-d905-4360-916e-94d3bed70720" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_bc5abda3-b257-4947-9c5a-11addb25b3c6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_02e9717f-d905-4360-916e-94d3bed70720" xlink:to="loc_us-gaap_LongTermDebtCurrent_bc5abda3-b257-4947-9c5a-11addb25b3c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_4d9a7809-fb2b-42be-b6d4-5dea47388e64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_02e9717f-d905-4360-916e-94d3bed70720" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_4d9a7809-fb2b-42be-b6d4-5dea47388e64" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/PensionandotherpostretirementbenefitsComponentsofNetBenefitCostsforPensionPlansandOPEBRecordedasPartofAdministrativeExpensesDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#PensionandotherpostretirementbenefitsComponentsofNetBenefitCostsforPensionPlansandOPEBRecordedasPartofAdministrativeExpensesDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/PensionandotherpostretirementbenefitsComponentsofNetBenefitCostsforPensionPlansandOPEBRecordedasPartofAdministrativeExpensesDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_a2002c71-a37c-4b93-b5a2-ee5486ca74c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_381360bb-a735-4bc3-84ee-622bf3f26231" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_a2002c71-a37c-4b93-b5a2-ee5486ca74c4" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_381360bb-a735-4bc3-84ee-622bf3f26231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_1c6a9831-fa05-432f-8f9b-7294049fec43" xlink:href="aqunf-20210630.xsd#aqunf_DefinedBenefitPlanNonserviceCostsTotal"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_a2002c71-a37c-4b93-b5a2-ee5486ca74c4" xlink:to="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_1c6a9831-fa05-432f-8f9b-7294049fec43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:href="aqunf-20210630.xsd#aqunf_DefinedBenefitPlanNonserviceCostsTotal"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_75a14bbf-f30a-4f9e-a3ee-c5fb5639c7cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_75a14bbf-f30a-4f9e-a3ee-c5fb5639c7cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_e0857adf-4a70-493c-8dae-6dc579e9365b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_e0857adf-4a70-493c-8dae-6dc579e9365b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_19b351cc-26f4-497e-9dda-3f63c75be6ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_19b351cc-26f4-497e-9dda-3f63c75be6ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_f37bddde-d489-4557-891f-6f5bf50f2f2d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_f37bddde-d489-4557-891f-6f5bf50f2f2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DefinedBenefitPlanAmortizationOfRegulatoryAssetsandLiabilities_696a46bf-096f-4411-8d39-177a3f25a7a1" xlink:href="aqunf-20210630.xsd#aqunf_DefinedBenefitPlanAmortizationOfRegulatoryAssetsandLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_DefinedBenefitPlanNonserviceCostsTotal_3fa405ab-36c3-4b28-83cd-6d1e6bcfd754" xlink:to="loc_aqunf_DefinedBenefitPlanAmortizationOfRegulatoryAssetsandLiabilities_696a46bf-096f-4411-8d39-177a3f25a7a1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ContractAdjustmentPayments_288a3d5a-7460-4d80-b983-ab7dba5ee346" xlink:href="aqunf-20210630.xsd#aqunf_ContractAdjustmentPayments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_ContractAdjustmentPayments_288a3d5a-7460-4d80-b983-ab7dba5ee346" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_96c74b88-4f15-4967-be15-0b8a5aa89ae4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_96c74b88-4f15-4967-be15-0b8a5aa89ae4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_AdvancesinAidofConstruction_36acdd5b-1337-4f59-ad9b-e022217c6bdf" xlink:href="aqunf-20210630.xsd#aqunf_AdvancesinAidofConstruction"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_AdvancesinAidofConstruction_36acdd5b-1337-4f59-ad9b-e022217c6bdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_2b73f812-b301-43da-85b9-568d30fccae1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingencies_2b73f812-b301-43da-85b9-568d30fccae1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_CustomerDeposits_bcc6eb92-e9f7-4d9e-bed6-b5ab89288573" xlink:href="aqunf-20210630.xsd#aqunf_CustomerDeposits"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_CustomerDeposits_bcc6eb92-e9f7-4d9e-bed6-b5ab89288573" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_InvestmentTaxCreditsUnamortized_bba014ee-ded5-44fe-b9b2-e338e1096a03" xlink:href="aqunf-20210630.xsd#aqunf_InvestmentTaxCreditsUnamortized"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_InvestmentTaxCreditsUnamortized_bba014ee-ded5-44fe-b9b2-e338e1096a03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_7c531bda-546f-4d7f-aeea-29175f99ae2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_7c531bda-546f-4d7f-aeea-29175f99ae2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DividendandRedemptionPaymentsDiscounted_5293e5f2-7974-4e99-a93d-0ec20f9db22d" xlink:href="aqunf-20210630.xsd#aqunf_DividendandRedemptionPaymentsDiscounted"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_DividendandRedemptionPaymentsDiscounted_5293e5f2-7974-4e99-a93d-0ec20f9db22d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_HookUpFeeLiability_1a4a4cbc-bac8-4f9d-9219-95ad463232dc" xlink:href="aqunf-20210630.xsd#aqunf_HookUpFeeLiability"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_HookUpFeeLiability_1a4a4cbc-bac8-4f9d-9219-95ad463232dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_3871e2d7-7812-40f8-9203-63fcd6012a85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_us-gaap_OperatingLeaseLiability_3871e2d7-7812-40f8-9203-63fcd6012a85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ContingentDevelopmentSupportObligations_a7483729-0590-42f5-88b8-77f8b79efdac" xlink:href="aqunf-20210630.xsd#aqunf_ContingentDevelopmentSupportObligations"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_ContingentDevelopmentSupportObligations_a7483729-0590-42f5-88b8-77f8b79efdac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_HedgeSettlementObligation_3592240f-45e2-4665-8a87-83c4f0e85803" xlink:href="aqunf-20210630.xsd#aqunf_HedgeSettlementObligation"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_HedgeSettlementObligation_3592240f-45e2-4665-8a87-83c4f0e85803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_acbb6838-f026-45f1-9387-f0dc1efce160" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_acbb6838-f026-45f1-9387-f0dc1efce160" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_OtherLongTermLiabilities_9ba37dd9-8b3f-40e5-bd06-b38dc818d42b" xlink:href="aqunf-20210630.xsd#aqunf_OtherLongTermLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_cfbc4e3c-d6f7-45c7-a3f9-1dcf2e19802c" xlink:to="loc_aqunf_OtherLongTermLiabilities_9ba37dd9-8b3f-40e5-bd06-b38dc818d42b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail_1" xlink:type="simple" xlink:href="aqunf-20210630.xsd#OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail_1"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/OtherlongtermliabilitiesScheduleofLongTermLiabilitiesandDeferredCreditsDetail_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilities_3e4adb22-9b97-445a-91ce-801bfc743be6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent_76aa07fb-d5df-457a-98c4-23f6aabef961" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_3e4adb22-9b97-445a-91ce-801bfc743be6" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesCurrent_76aa07fb-d5df-457a-98c4-23f6aabef961" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent_03c40b76-e814-4f14-9549-df31d65ca5fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilities_3e4adb22-9b97-445a-91ce-801bfc743be6" xlink:to="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent_03c40b76-e814-4f14-9549-df31d65ca5fd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/AccumulatedothercomprehensiveincomelossScheduleofAccumulatedOtherComprehensiveIncomelossDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#AccumulatedothercomprehensiveincomelossScheduleofAccumulatedOtherComprehensiveIncomelossDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/AccumulatedothercomprehensiveincomelossScheduleofAccumulatedOtherComprehensiveIncomelossDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7575a64b-8682-45c9-8758-dc4c5bf95c55" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_eb0c676e-0148-4a5a-a842-8775445a9547" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7575a64b-8682-45c9-8758-dc4c5bf95c55" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_eb0c676e-0148-4a5a-a842-8775445a9547" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_f6dab3e2-41dd-4c3c-8932-34a15813ab09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_7575a64b-8682-45c9-8758-dc4c5bf95c55" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_f6dab3e2-41dd-4c3c-8932-34a15813ab09" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/NoncontrollingInterestsandRedeemablenoncontrollingInterestNetLossAttributabletoNonControllingInterestDetails" xlink:type="simple" xlink:href="aqunf-20210630.xsd#NoncontrollingInterestsandRedeemablenoncontrollingInterestNetLossAttributabletoNonControllingInterestDetails"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/NoncontrollingInterestsandRedeemablenoncontrollingInterestNetLossAttributabletoNonControllingInterestDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_828ae3ab-51ca-488c-9439-57c6dbd416a5" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8f99d35e-852c-47f6-9417-fa8f73622734" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_828ae3ab-51ca-488c-9439-57c6dbd416a5" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_8f99d35e-852c-47f6-9417-fa8f73622734" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossAttributabletoRedeemableNoncontrollingInterestHeldByRelatedParty_6a5cf3f3-9844-40f3-9286-67d96f0e63c6" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossAttributabletoRedeemableNoncontrollingInterestHeldByRelatedParty"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossAttributableToNoncontrollingInterestNetOfRelatedParty_828ae3ab-51ca-488c-9439-57c6dbd416a5" xlink:to="loc_aqunf_NetIncomeLossAttributabletoRedeemableNoncontrollingInterestHeldByRelatedParty_6a5cf3f3-9844-40f3-9286-67d96f0e63c6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/OthernetlossesOtherLossesDetails" xlink:type="simple" xlink:href="aqunf-20210630.xsd#OthernetlossesOtherLossesDetails"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/OthernetlossesOtherLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingExpense_ad5d54f7-f38a-4aff-adff-49094cff3914" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquisitionCosts_2c56ee57-a915-44d7-90ee-e889e7b915d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquisitionCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingExpense_ad5d54f7-f38a-4aff-adff-49094cff3914" xlink:to="loc_us-gaap_AcquisitionCosts_2c56ee57-a915-44d7-90ee-e889e7b915d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_OtherNonoperatingExpenseRefundofExcessTaxesCollected_6f0f840b-f097-42bb-87f6-a0a2761fd871" xlink:href="aqunf-20210630.xsd#aqunf_OtherNonoperatingExpenseRefundofExcessTaxesCollected"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingExpense_ad5d54f7-f38a-4aff-adff-49094cff3914" xlink:to="loc_aqunf_OtherNonoperatingExpenseRefundofExcessTaxesCollected_6f0f840b-f097-42bb-87f6-a0a2761fd871" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_ManagementSuccessionandExecutiveRetirementExpense_75c5a666-8d59-417c-acfd-1cfddcff2ffe" xlink:href="aqunf-20210630.xsd#aqunf_ManagementSuccessionandExecutiveRetirementExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingExpense_ad5d54f7-f38a-4aff-adff-49094cff3914" xlink:to="loc_aqunf_ManagementSuccessionandExecutiveRetirementExpense_75c5a666-8d59-417c-acfd-1cfddcff2ffe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_9005d4c5-cf60-44df-aa92-4fa281e3ce17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingExpense_ad5d54f7-f38a-4aff-adff-49094cff3914" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_9005d4c5-cf60-44df-aa92-4fa281e3ce17" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/BasicanddilutednetearningspershareScheduleofEarningsperShareDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#BasicanddilutednetearningspershareScheduleofEarningsperShareDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/BasicanddilutednetearningspershareScheduleofEarningsperShareDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d1df3d1-6bde-4863-a7da-1dc8d29055a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0690aaa1-2260-4e6f-9259-1a3741ca5fed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d1df3d1-6bde-4863-a7da-1dc8d29055a0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_0690aaa1-2260-4e6f-9259-1a3741ca5fed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_WeightedAveragePotentiallyDilutiveShareOptionsAndAwardsOutstanding_5e1dfff5-0d1d-4ae3-8639-ab18bac6975a" xlink:href="aqunf-20210630.xsd#aqunf_WeightedAveragePotentiallyDilutiveShareOptionsAndAwardsOutstanding"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d1df3d1-6bde-4863-a7da-1dc8d29055a0" xlink:to="loc_aqunf_WeightedAveragePotentiallyDilutiveShareOptionsAndAwardsOutstanding_5e1dfff5-0d1d-4ae3-8639-ab18bac6975a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_NetIncomeLossfromContinuingOperationsAttributableToCommonStockHoldersBasicAndDiluted_26ee10cf-ab1f-4cee-aebf-aaa9d26c0058" xlink:href="aqunf-20210630.xsd#aqunf_NetIncomeLossfromContinuingOperationsAttributableToCommonStockHoldersBasicAndDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_53ac4295-c351-480e-bc51-55a4f44ca911" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossfromContinuingOperationsAttributableToCommonStockHoldersBasicAndDiluted_26ee10cf-ab1f-4cee-aebf-aaa9d26c0058" xlink:to="loc_us-gaap_NetIncomeLoss_53ac4295-c351-480e-bc51-55a4f44ca911" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_5d61c80e-80bf-49ba-b628-08a14beed58d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_NetIncomeLossfromContinuingOperationsAttributableToCommonStockHoldersBasicAndDiluted_26ee10cf-ab1f-4cee-aebf-aaa9d26c0058" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_5d61c80e-80bf-49ba-b628-08a14beed58d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/SegmentedinformationResultsofOperationsandAssetsforSegmentsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#SegmentedinformationResultsofOperationsandAssetsforSegmentsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/SegmentedinformationResultsofOperationsandAssetsforSegmentsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_RevenueNetofRegulatedFuelandPowerPurchased_423d22fc-6be6-4574-9b73-fe1f2ddf3b2f" xlink:href="aqunf-20210630.xsd#aqunf_RevenueNetofRegulatedFuelandPowerPurchased"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:to="loc_aqunf_RevenueNetofRegulatedFuelandPowerPurchased_423d22fc-6be6-4574-9b73-fe1f2ddf3b2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_893f30ad-dab4-472e-9450-b39ed15aec85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingCostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_893f30ad-dab4-472e-9450-b39ed15aec85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_007121e5-448c-4fa4-9fce-ff5ac5025e4c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_007121e5-448c-4fa4-9fce-ff5ac5025e4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_d198d29c-b53d-4fdb-b517-6f86b19a5ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_d198d29c-b53d-4fdb-b517-6f86b19a5ce5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_b5b29be7-7fea-4080-a6f4-251a769d259a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_0e145f71-f4df-4211-9fd0-2b66db19e2fe" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_b5b29be7-7fea-4080-a6f4-251a769d259a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f041da82-b27f-456b-8650-f63683b1d86c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b79f0e81-6f96-40f2-9c0d-dd967fb21fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f041da82-b27f-456b-8650-f63683b1d86c" xlink:to="loc_us-gaap_OperatingIncomeLoss_b79f0e81-6f96-40f2-9c0d-dd967fb21fcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_e83d56c6-0aae-4acf-8b35-899272b4b2a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f041da82-b27f-456b-8650-f63683b1d86c" xlink:to="loc_us-gaap_InterestExpense_e83d56c6-0aae-4acf-8b35-899272b4b2a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_3fc74778-2205-45e6-a19a-890c35efc55a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f041da82-b27f-456b-8650-f63683b1d86c" xlink:to="loc_us-gaap_GainLossOnInvestments_3fc74778-2205-45e6-a19a-890c35efc55a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_b48c60bf-fb61-46b5-9395-0297c3631128" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f041da82-b27f-456b-8650-f63683b1d86c" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_b48c60bf-fb61-46b5-9395-0297c3631128" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_RevenueNetofRegulatedFuelandPowerPurchased_f7bf1821-ab95-4d9d-936c-646f2c50667c" xlink:href="aqunf-20210630.xsd#aqunf_RevenueNetofRegulatedFuelandPowerPurchased"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_b8dd773b-8b8a-40ae-bd9b-23af619e6248" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_RevenueNetofRegulatedFuelandPowerPurchased_f7bf1821-ab95-4d9d-936c-646f2c50667c" xlink:to="loc_us-gaap_Revenues_b8dd773b-8b8a-40ae-bd9b-23af619e6248" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_CostofFuelandPowerPurchased_d9cfe4ee-f42e-4e4e-b73d-1f8f1e4ece2a" xlink:href="aqunf-20210630.xsd#aqunf_CostofFuelandPowerPurchased"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_aqunf_RevenueNetofRegulatedFuelandPowerPurchased_f7bf1821-ab95-4d9d-936c-646f2c50667c" xlink:to="loc_aqunf_CostofFuelandPowerPurchased_d9cfe4ee-f42e-4e4e-b73d-1f8f1e4ece2a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/CommitmentsandcontingenciesEstimatesofFutureCommitmentsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#CommitmentsandcontingenciesEstimatesofFutureCommitmentsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/CommitmentsandcontingenciesEstimatesofFutureCommitmentsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_f18ff85c-4927-46c7-9796-20f91c35a7f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_f18ff85c-4927-46c7-9796-20f91c35a7f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear_42825241-9d2d-494e-8f17-207a1921874b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueInSecondYear_42825241-9d2d-494e-8f17-207a1921874b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear_b9579bd8-88c8-4300-99a8-0ac3f4d42077" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueInThirdYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueInThirdYear_b9579bd8-88c8-4300-99a8-0ac3f4d42077" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear_8dae5d11-9433-480e-9d11-235ef5d0ad5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueInFourthYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueInFourthYear_8dae5d11-9433-480e-9d11-235ef5d0ad5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFifthYear_20145c50-91de-43cb-8e0e-7ce979d81238" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueInFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueInFifthYear_20145c50-91de-43cb-8e0e-7ce979d81238" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueAfterFifthYear_b09b2202-55eb-4545-853a-d706ec76598b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractualObligationDueAfterFifthYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ContractualObligation_10416eeb-a90a-4891-96a0-c63a2bdba013" xlink:to="loc_us-gaap_ContractualObligationDueAfterFifthYear_b09b2202-55eb-4545-853a-d706ec76598b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/NoncashoperatingitemsChangesinNonCashOperatingItemsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#NoncashoperatingitemsChangesinNonCashOperatingItemsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/NoncashoperatingitemsChangesinNonCashOperatingItemsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_d40aa9fe-c0b1-47a3-97e1-a97a22f07418" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_d40aa9fe-c0b1-47a3-97e1-a97a22f07418" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInFuelInventories_97527c2e-b342-483d-afe1-3eee7fa623f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInFuelInventories"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInFuelInventories_97527c2e-b342-483d-afe1-3eee7fa623f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInMaterialsAndSupplies_379c2be7-4762-4136-8b80-4671aa69a61e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInMaterialsAndSupplies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInMaterialsAndSupplies_379c2be7-4762-4136-8b80-4671aa69a61e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_3fe1b498-b410-43e0-8edf-01eb9d4b5606" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_3fe1b498-b410-43e0-8edf-01eb9d4b5606" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_44a0350a-61a6-4dfd-b7ed-9a976488fe86" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidExpense_44a0350a-61a6-4dfd-b7ed-9a976488fe86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ec137c22-cfb3-4152-907c-eebc228ac012" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ec137c22-cfb3-4152-907c-eebc228ac012" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_6406bb07-5cb8-480e-b0f8-e5bd2b2b14f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_6406bb07-5cb8-480e-b0f8-e5bd2b2b14f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a4d5f51c-931b-44b8-9128-32ff9df24f86" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxes_a4d5f51c-931b-44b8-9128-32ff9df24f86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_AssetRetirementAndEnvironmentalObligations_d326b281-7c42-429e-9bc4-92a17706f1ba" xlink:href="aqunf-20210630.xsd#aqunf_AssetRetirementAndEnvironmentalObligations"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_aqunf_AssetRetirementAndEnvironmentalObligations_d326b281-7c42-429e-9bc4-92a17706f1ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_82ec9b46-cb1e-4ea3-a868-dfe166a865f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapital_67eb8d0f-563a-45eb-a5a4-84eb9fd1b905" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_82ec9b46-cb1e-4ea3-a868-dfe166a865f4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/FinancialinstrumentsFairValueofFinancialInstrumentsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#FinancialinstrumentsFairValueofFinancialInstrumentsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/FinancialinstrumentsFairValueofFinancialInstrumentsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_165e7387-0115-4993-914d-093cc9900595" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:to="loc_us-gaap_LongTermDebtFairValue_165e7387-0115-4993-914d-093cc9900595" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_a2c4fcd5-0f53-4035-b024-4218bfe6e081" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:to="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_a2c4fcd5-0f53-4035-b024-4218bfe6e081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtFairValueDisclosures_1c65d9fd-4ad3-4f68-811d-ac46b1dbeafb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConvertibleDebtFairValueDisclosures"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:to="loc_us-gaap_ConvertibleDebtFairValueDisclosures_1c65d9fd-4ad3-4f68-811d-ac46b1dbeafb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_f5017971-2da1-4338-b3fd-93c129f7b6c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:to="loc_us-gaap_DerivativeLiabilities_f5017971-2da1-4338-b3fd-93c129f7b6c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MandatorilyRedeemablePreferredStockFairValueDisclosure_e68dcdc1-6cce-4d05-89bf-ea6b1a91801c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MandatorilyRedeemablePreferredStockFairValueDisclosure"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fce89751-10e3-4664-8b2d-ac213c5773c8" xlink:to="loc_us-gaap_MandatorilyRedeemablePreferredStockFairValueDisclosure_e68dcdc1-6cce-4d05-89bf-ea6b1a91801c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_e67be241-cea5-43aa-9f6d-51bc201ad09a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_11061544-30b3-4f3c-b76c-829ae79930f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_e67be241-cea5-43aa-9f6d-51bc201ad09a" xlink:to="loc_us-gaap_DerivativeAssets_11061544-30b3-4f3c-b76c-829ae79930f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableFairValueDisclosure_b174ed58-d516-4b5d-95c9-8714a058b2a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesReceivableFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_e67be241-cea5-43aa-9f6d-51bc201ad09a" xlink:to="loc_us-gaap_NotesReceivableFairValueDisclosure_b174ed58-d516-4b5d-95c9-8714a058b2a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_LongtermInvestmentsFairValue_85225f51-fad4-4d24-9a44-fe5821356518" xlink:href="aqunf-20210630.xsd#aqunf_LongtermInvestmentsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_e67be241-cea5-43aa-9f6d-51bc201ad09a" xlink:to="loc_aqunf_LongtermInvestmentsFairValue_85225f51-fad4-4d24-9a44-fe5821356518" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/FinancialinstrumentsDerivativeFinancialInstrumentsDesignatedasCashFlowHedgeEffectonStatementofOperationsDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#FinancialinstrumentsDerivativeFinancialInstrumentsDesignatedasCashFlowHedgeEffectonStatementofOperationsDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/FinancialinstrumentsDerivativeFinancialInstrumentsDesignatedasCashFlowHedgeEffectonStatementofOperationsDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_dee7f5f0-f081-42c7-93dd-126d9ac5b9d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_0f8590fa-7955-4954-834a-fe7ccb1371b4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_dee7f5f0-f081-42c7-93dd-126d9ac5b9d6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_0f8590fa-7955-4954-834a-fe7ccb1371b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAmortizationofCashFlowHedgeafterTax_d376858d-916f-4196-aca7-a339d799c37e" xlink:href="aqunf-20210630.xsd#aqunf_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAmortizationofCashFlowHedgeafterTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_dee7f5f0-f081-42c7-93dd-126d9ac5b9d6" xlink:to="loc_aqunf_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAmortizationofCashFlowHedgeafterTax_d376858d-916f-4196-aca7-a339d799c37e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_245da7fd-78b1-4159-b972-1441b5ea5b34" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_dee7f5f0-f081-42c7-93dd-126d9ac5b9d6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_245da7fd-78b1-4159-b972-1441b5ea5b34" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail" xlink:type="simple" xlink:href="aqunf-20210630.xsd#FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_74d6ca64-a536-4242-98f2-bcbd6df82bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_60f89bb4-57c2-4e70-8afb-dc8292f82c25" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_74d6ca64-a536-4242-98f2-bcbd6df82bbb" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_60f89bb4-57c2-4e70-8afb-dc8292f82c25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_aqunf_DerivativeInstrumentsGainLossFrozenduetoHedgeDesignation_82205804-fe06-4cde-a31c-c2d80f619c78" xlink:href="aqunf-20210630.xsd#aqunf_DerivativeInstrumentsGainLossFrozenduetoHedgeDesignation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_74d6ca64-a536-4242-98f2-bcbd6df82bbb" xlink:to="loc_aqunf_DerivativeInstrumentsGainLossFrozenduetoHedgeDesignation_82205804-fe06-4cde-a31c-c2d80f619c78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_c33ba2e5-9601-472c-af47-2d60ee51b563" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_91864b30-cfad-49c5-9ae3-9c8353b59ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeGainLossOnDerivativeNet_c33ba2e5-9601-472c-af47-2d60ee51b563" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_91864b30-cfad-49c5-9ae3-9c8353b59ab9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_d1cc12ae-7121-4ed2-8897-44f191526f81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeGainLossOnDerivativeNet_c33ba2e5-9601-472c-af47-2d60ee51b563" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_d1cc12ae-7121-4ed2-8897-44f191526f81" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.algonquinpower.com/role/FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail_1" xlink:type="simple" xlink:href="aqunf-20210630.xsd#FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail_1"/>
  <link:calculationLink xlink:role="http://www.algonquinpower.com/role/FinancialinstrumentsEffectsonStatementofOperationsofDerivativeFinancialInstrumentsNotDesignatedasHedgesDetail_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_11cae22c-675d-475c-ab37-a1ed5cdacd66" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_300fefe2-de32-48d8-a19c-eb5c28f19db7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnOilAndGasHedgingActivity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_11cae22c-675d-475c-ab37-a1ed5cdacd66" xlink:to="loc_us-gaap_GainLossOnOilAndGasHedgingActivity_300fefe2-de32-48d8-a19c-eb5c28f19db7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_d7413514-4b79-4bd5-8f79-1b4d0e6914ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_11cae22c-675d-475c-ab37-a1ed5cdacd66" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_d7413514-4b79-4bd5-8f79-1b4d0e6914ac" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
