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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a068fc-14de-7f3c-b773-8dcbcfdd3ab8,g:202905c8-0850-4697-a028-47a00ed264b5-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/CONSOLIDATEDSTATEMENTSOFINCOMEUNAUDITED" xlink:type="simple" xlink:href="nspw-20260930.xsd#CONSOLIDATEDSTATEMENTSOFINCOMEUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/CONSOLIDATEDSTATEMENTSOFINCOMEUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDebtExpense_01a068fc-157c-7393-b1fd-cd149ee5048d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndDebtExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_01a068fc-157c-7f0f-9d64-562338a5e9d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDebtExpense_01a068fc-157c-7393-b1fd-cd149ee5048d" xlink:to="loc_us-gaap_InterestExpense_01a068fc-157c-7f0f-9d64-562338a5e9d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt_01a068fc-157c-7e11-b082-7f809eb66f3d" xlink:href="nspw-20260930.xsd#nspw_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDebtExpense_01a068fc-157c-7393-b1fd-cd149ee5048d" xlink:to="loc_nspw_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfDebt_01a068fc-157c-7e11-b082-7f809eb66f3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a068fc-157c-7444-b24e-de802e4c06b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a068fc-157c-712a-a029-7caf4aaf500e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a068fc-157c-7444-b24e-de802e4c06b5" xlink:to="loc_us-gaap_CostsAndExpenses_01a068fc-157c-712a-a029-7caf4aaf500e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-72e3-93a4-ecbd0be0bb50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_01a068fc-157c-7444-b24e-de802e4c06b5" xlink:to="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-72e3-93a4-ecbd0be0bb50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_ElectricFuelandPurchasedPowerNonAffiliate_01a068fc-157c-7871-a1bd-d95dbf2dc7c6" xlink:href="nspw-20260930.xsd#nspw_ElectricFuelandPurchasedPowerNonAffiliate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_nspw_ElectricFuelandPurchasedPowerNonAffiliate_01a068fc-157c-7871-a1bd-d95dbf2dc7c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_RelatedPartyTransactionUtilitiesOperatingExpensePurchasedPower_01a068fc-157c-7dbb-8a29-6ae5af4dbe3f" xlink:href="nspw-20260930.xsd#nspw_RelatedPartyTransactionUtilitiesOperatingExpensePurchasedPower"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_nspw_RelatedPartyTransactionUtilitiesOperatingExpensePurchasedPower_01a068fc-157c-7dbb-8a29-6ae5af4dbe3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_CostofnaturalGasSoldandTransported_01a068fc-157c-7d49-8c85-961e7c06288b" xlink:href="nspw-20260930.xsd#nspw_CostofnaturalGasSoldandTransported"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_nspw_CostofnaturalGasSoldandTransported_01a068fc-157c-7d49-8c85-961e7c06288b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_01a068fc-157c-7fba-8607-25f29cf79190" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses_01a068fc-157c-7fba-8607-25f29cf79190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_ConservationandDemandSideManagementProgramExpenses_01a068fc-157c-7da9-a7ff-62136ec68e3f" xlink:href="nspw-20260930.xsd#nspw_ConservationandDemandSideManagementProgramExpenses"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_nspw_ConservationandDemandSideManagementProgramExpenses_01a068fc-157c-7da9-a7ff-62136ec68e3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_01a068fc-157c-76d2-be09-26dffe940ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_01a068fc-157c-76d2-be09-26dffe940ff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_01a068fc-157c-7837-b5ce-0b18af18a9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_01a068fc-157c-771c-93e0-d7d61bae0011" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_01a068fc-157c-7837-b5ce-0b18af18a9bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a068fc-157c-7151-890b-720d84892728" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-785b-8d19-28b07bf00545" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a068fc-157c-7151-890b-720d84892728" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-785b-8d19-28b07bf00545" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a068fc-157c-7f95-b0bc-17ff33197817" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_01a068fc-157c-7151-890b-720d84892728" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_01a068fc-157c-7f95-b0bc-17ff33197817" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-7d72-bae3-f7f912015948" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_RegulatedOperatingRevenueElectricNonaffiliate_01a068fc-157c-73c0-bc08-8f02d0662658" xlink:href="nspw-20260930.xsd#nspw_RegulatedOperatingRevenueElectricNonaffiliate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-7d72-bae3-f7f912015948" xlink:to="loc_nspw_RegulatedOperatingRevenueElectricNonaffiliate_01a068fc-157c-73c0-bc08-8f02d0662658" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_RelatedPartyTransactionElectricDomesticRegulatedRevenue_01a068fc-157c-7e3a-8238-ca4d9983747a" xlink:href="nspw-20260930.xsd#nspw_RelatedPartyTransactionElectricDomesticRegulatedRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-7d72-bae3-f7f912015948" xlink:to="loc_nspw_RelatedPartyTransactionElectricDomesticRegulatedRevenue_01a068fc-157c-7e3a-8238-ca4d9983747a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperatingRevenueGas_01a068fc-157c-70b1-9c2c-689c75b6ff67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatedOperatingRevenueGas"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-7d72-bae3-f7f912015948" xlink:to="loc_us-gaap_RegulatedOperatingRevenueGas_01a068fc-157c-70b1-9c2c-689c75b6ff67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnregulatedOperatingRevenue_01a178eb-b8ad-7636-82ba-ac659542563b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnregulatedOperatingRevenue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RegulatedAndUnregulatedOperatingRevenue_01a068fc-157c-7d72-bae3-f7f912015948" xlink:to="loc_us-gaap_UnregulatedOperatingRevenue_01a178eb-b8ad-7636-82ba-ac659542563b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-7d15-94c1-db05cbc8adcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a068fc-157c-7f87-8e95-cbfdd32ad30b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-7d15-94c1-db05cbc8adcb" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a068fc-157c-7f87-8e95-cbfdd32ad30b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_01a068fc-157c-735e-a601-93de753e258a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-7d15-94c1-db05cbc8adcb" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_01a068fc-157c-735e-a601-93de753e258a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_01a068fc-157c-761f-9dc9-e3eea003a317" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-7d15-94c1-db05cbc8adcb" xlink:to="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_01a068fc-157c-761f-9dc9-e3eea003a317" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDebtExpense_01a178f5-2c8d-7f8a-9286-3eb02ac411b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndDebtExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01a068fc-157c-7d15-94c1-db05cbc8adcb" xlink:to="loc_us-gaap_InterestAndDebtExpense_01a178f5-2c8d-7f8a-9286-3eb02ac411b6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="simple" xlink:href="nspw-20260930.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a068fc-157c-7a06-8caa-23731ee00fdb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_NetIncomeLoss_01a068fc-157c-7a06-8caa-23731ee00fdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_01a068fc-157c-7bb5-ad4b-2c3f730361e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_01a068fc-157c-7bb5-ad4b-2c3f730361e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a068fc-157c-748d-8f87-b445ca7cd529" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_01a068fc-157c-748d-8f87-b445ca7cd529" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_AllowanceForEquityFundsUsedDuringConstruction_01a068fc-157c-7cb7-9db7-e43fe24d3fc5" xlink:href="nspw-20260930.xsd#nspw_AllowanceForEquityFundsUsedDuringConstruction"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_nspw_AllowanceForEquityFundsUsedDuringConstruction_01a068fc-157c-7cb7-9db7-e43fe24d3fc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_ProvisionForBadDebts_01a068fc-157c-7bb2-803e-8927761e5be8" xlink:href="nspw-20260930.xsd#nspw_ProvisionForBadDebts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_nspw_ProvisionForBadDebts_01a068fc-157c-7bb2-803e-8927761e5be8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_01a068fc-157c-7a79-95c1-5013dd40b61a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_01a068fc-157c-7a79-95c1-5013dd40b61a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_IncreaseDecreaseinAccruedUnbilledRevenues_01a068fc-157c-7e88-8961-ae2262ecbac8" xlink:href="nspw-20260930.xsd#nspw_IncreaseDecreaseinAccruedUnbilledRevenues"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_nspw_IncreaseDecreaseinAccruedUnbilledRevenues_01a068fc-157c-7e88-8961-ae2262ecbac8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_01a068fc-157c-7716-9df9-511d63aa61c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_01a068fc-157c-7716-9df9-511d63aa61c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_01a068fc-157c-7c07-9a81-6bbc9f0c63b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_01a068fc-157c-7c07-9a81-6bbc9f0c63b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a068fc-157c-7dd3-b4bd-77beb3f0bd69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_01a068fc-157c-7dd3-b4bd-77beb3f0bd69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_01a068fc-157c-7fcc-b897-33924152dffe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities_01a068fc-157c-7fcc-b897-33924152dffe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_01a068fc-157c-7522-a536-b90059a1e2a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_01a068fc-157c-7522-a536-b90059a1e2a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_01a068fc-157c-7b2d-805e-69e79f7188eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_01a068fc-157c-7b2d-805e-69e79f7188eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_01a068fc-157c-7d76-84ce-dc8da05a7d95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-79b5-bb7c-4c5beb4ea319" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_01a068fc-157c-7d76-84ce-dc8da05a7d95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_RepaymentsUnderUtilityMoneyPoolArrangement_01a068fc-157c-75ff-a20b-faf75e8022de" xlink:href="nspw-20260930.xsd#nspw_RepaymentsUnderUtilityMoneyPoolArrangement"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_nspw_RepaymentsUnderUtilityMoneyPoolArrangement_01a068fc-157c-75ff-a20b-faf75e8022de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_BorrowingsUnderUtilityMoneyPoolArrangement_01a068fc-157c-79ce-b99f-0f9ee178a94e" xlink:href="nspw-20260930.xsd#nspw_BorrowingsUnderUtilityMoneyPoolArrangement"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_nspw_BorrowingsUnderUtilityMoneyPoolArrangement_01a068fc-157c-79ce-b99f-0f9ee178a94e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_Contributionsfromtoparent_01a068fc-157c-761a-a6d0-62e1d88a5f65" xlink:href="nspw-20260930.xsd#nspw_Contributionsfromtoparent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_nspw_Contributionsfromtoparent_01a068fc-157c-761a-a6d0-62e1d88a5f65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_01a068fc-157c-77e1-99d9-9ece50eeb549" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_01a068fc-157c-77e1-99d9-9ece50eeb549" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_01a068fc-157c-7267-bb74-0fc5055183f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_01a068fc-157c-7267-bb74-0fc5055183f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_ProceedsFromLongTermDebt_01a068fc-157c-74b3-a70e-c9a204abb386" xlink:href="nspw-20260930.xsd#nspw_ProceedsFromLongTermDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7896-8016-11dc5ec7aef0" xlink:to="loc_nspw_ProceedsFromLongTermDebt_01a068fc-157c-74b3-a70e-c9a204abb386" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-7fd4-9ced-d98666e3f4f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_InvestmentsInUtilityMoneyPoolArrangement_01a068fc-157c-7465-a3d5-c599a0244f81" xlink:href="nspw-20260930.xsd#nspw_InvestmentsInUtilityMoneyPoolArrangement"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-7fd4-9ced-d98666e3f4f7" xlink:to="loc_nspw_InvestmentsInUtilityMoneyPoolArrangement_01a068fc-157c-7465-a3d5-c599a0244f81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_01a068fc-157c-7c86-a290-c753bccac593" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-7fd4-9ced-d98666e3f4f7" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_01a068fc-157c-7c86-a290-c753bccac593" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_RepaymentsFromUtilityMoneyPoolArrangement_01a068fc-157c-7096-ab14-fe661939f118" xlink:href="nspw-20260930.xsd#nspw_RepaymentsFromUtilityMoneyPoolArrangement"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-7fd4-9ced-d98666e3f4f7" xlink:to="loc_nspw_RepaymentsFromUtilityMoneyPoolArrangement_01a068fc-157c-7096-ab14-fe661939f118" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a068fc-157c-7ff7-82e6-589ed56734f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-7e8e-a082-282e6f6e5c3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a068fc-157c-7ff7-82e6-589ed56734f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_01a068fc-157c-7e8e-a082-282e6f6e5c3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7b84-a79e-29538338a384" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a068fc-157c-7ff7-82e6-589ed56734f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_01a068fc-157c-7b84-a79e-29538338a384" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-775f-97ed-8cf818fdbbdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_01a068fc-157c-7ff7-82e6-589ed56734f9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_01a068fc-157c-775f-97ed-8cf818fdbbdc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/CONSOLIDATEDBALANCESHEETSUNAUDITED" xlink:type="simple" xlink:href="nspw-20260930.xsd#CONSOLIDATEDBALANCESHEETSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/CONSOLIDATEDBALANCESHEETSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-7921-8062-1d95b990d589" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:to="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-7921-8062-1d95b990d589" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7229-b258-0dcfd19d8aa5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:to="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7229-b258-0dcfd19d8aa5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_01a068fc-157c-7f88-b62e-0843ff5885ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:to="loc_us-gaap_CommitmentsAndContingencies_01a068fc-157c-7f88-b62e-0843ff5885ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a068fc-157c-78d1-8261-290601c9906a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_01a068fc-157c-78d1-8261-290601c9906a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a068fc-157c-7c3c-92e7-75ad59f07402" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_01a068fc-157c-723b-a704-09ab0a10808b" xlink:to="loc_us-gaap_StockholdersEquity_01a068fc-157c-7c3c-92e7-75ad59f07402" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_OtherAssetsExcludingPropertyPlantAndEquipment_01a068fc-157c-737d-b3b2-0a8c464d8b81" xlink:href="nspw-20260930.xsd#nspw_OtherAssetsExcludingPropertyPlantAndEquipment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent_01a068fc-157c-73e7-8d0f-e74206955cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatoryAssetsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_OtherAssetsExcludingPropertyPlantAndEquipment_01a068fc-157c-737d-b3b2-0a8c464d8b81" xlink:to="loc_us-gaap_RegulatoryAssetsNoncurrent_01a068fc-157c-73e7-8d0f-e74206955cd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_01a068fc-157c-725d-aaa8-952d5242863a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_OtherAssetsExcludingPropertyPlantAndEquipment_01a068fc-157c-737d-b3b2-0a8c464d8b81" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_01a068fc-157c-725d-aaa8-952d5242863a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_01a068fc-157c-7dec-8944-71cc3a862801" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a068fc-157c-7a62-b8c6-225c4c97656f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a068fc-157c-7dec-8944-71cc3a862801" xlink:to="loc_us-gaap_AssetsCurrent_01a068fc-157c-7a62-b8c6-225c4c97656f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_01a068fc-157c-74cf-9c1b-c2c7919030e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a068fc-157c-7dec-8944-71cc3a862801" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_01a068fc-157c-74cf-9c1b-c2c7919030e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_OtherAssetsExcludingPropertyPlantAndEquipment_01a068fc-157c-787c-b9bd-b1ad0d7a7cb8" xlink:href="nspw-20260930.xsd#nspw_OtherAssetsExcludingPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_01a068fc-157c-7dec-8944-71cc3a862801" xlink:to="loc_nspw_OtherAssetsExcludingPropertyPlantAndEquipment_01a068fc-157c-787c-b9bd-b1ad0d7a7cb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a068fc-157c-7d8d-8422-411d673c9b09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_01a068fc-157c-7221-b72c-c1e3c8f6fb53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a068fc-157c-7d8d-8422-411d673c9b09" xlink:to="loc_us-gaap_CommonStockValue_01a068fc-157c-7221-b72c-c1e3c8f6fb53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a068fc-157c-7937-b8b1-b80f69e00d25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a068fc-157c-7d8d-8422-411d673c9b09" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_01a068fc-157c-7937-b8b1-b80f69e00d25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a068fc-157c-70a6-862c-86fe14b9949c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_01a068fc-157c-7d8d-8422-411d673c9b09" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_01a068fc-157c-70a6-862c-86fe14b9949c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent_01a068fc-157c-78db-be4f-132a87c13236" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatoryAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_RegulatoryAssetsCurrent_01a068fc-157c-78db-be4f-132a87c13236" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_01a068fc-157c-7cd5-b4a7-a9188431ecdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_PrepaidTaxes_01a068fc-157c-7cd5-b4a7-a9188431ecdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_01a068fc-157c-7853-ab3a-ae7e77fe9fda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_01a068fc-157c-7853-ab3a-ae7e77fe9fda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_AccruedUnbilledRevenues_01a068fc-157c-73f1-8253-a9535939306e" xlink:href="nspw-20260930.xsd#nspw_AccruedUnbilledRevenues"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_nspw_AccruedUnbilledRevenues_01a068fc-157c-73f1-8253-a9535939306e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a068fc-157c-7dd4-8357-e9e98ab21be5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_01a068fc-157c-7dd4-8357-e9e98ab21be5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a068fc-157c-771a-aef3-19d23257a9ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_01a068fc-157c-771a-aef3-19d23257a9ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_01a068fc-157c-7370-bc4b-8f86f695841c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_01a068fc-157c-71d0-b515-edea02c9af66" xlink:to="loc_us-gaap_InventoryNet_01a068fc-157c-7370-bc4b-8f86f695841c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_01a068fc-157c-76ee-9d9d-b30abfdc7bfe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_01a068fc-157c-76ee-9d9d-b30abfdc7bfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a068fc-157c-7e3f-b25b-0082121c45e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a068fc-157c-7e3f-b25b-0082121c45e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent_01a068fc-157c-7a30-9581-b3f6fd636b34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatoryLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:to="loc_us-gaap_RegulatoryLiabilityNoncurrent_01a068fc-157c-7a30-9581-b3f6fd636b34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_01a068fc-157c-75a9-8be6-5afe67f25efc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_01a068fc-157c-75a9-8be6-5afe67f25efc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a068fc-157c-792b-a355-832252b45a91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent_01a068fc-157c-7b7c-98ba-ca6bb2ed7a23" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_01a068fc-157c-792b-a355-832252b45a91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_01a068fc-157c-7424-915a-5dbd577fcc6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_AccountsPayableCurrent_01a068fc-157c-7424-915a-5dbd577fcc6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_01a068fc-157c-7ccd-bebd-c0a6bf71e539" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_InterestPayableCurrent_01a068fc-157c-7ccd-bebd-c0a6bf71e539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrent_01a068fc-157c-74e6-9b85-231717fd0681" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_DividendsPayableCurrent_01a068fc-157c-74e6-9b85-231717fd0681" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_01a068fc-157c-7463-8a10-132a9e477122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_TaxesPayableCurrent_01a068fc-157c-7463-8a10-132a9e477122" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_01a068fc-157c-7995-913f-d0cf628d240c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_01a068fc-157c-7995-913f-d0cf628d240c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent_01a068fc-157c-789e-b94e-17e81cef5c21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RegulatoryLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_us-gaap_RegulatoryLiabilityCurrent_01a068fc-157c-789e-b94e-17e81cef5c21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_BorrowingsPayableUnderUtilityMoneyPoolArrangement_01a068fc-157c-7f03-80af-78de455264a9" xlink:href="nspw-20260930.xsd#nspw_BorrowingsPayableUnderUtilityMoneyPoolArrangement"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_01a068fc-157c-71e8-a70c-81f4aafea333" xlink:to="loc_nspw_BorrowingsPayableUnderUtilityMoneyPoolArrangement_01a068fc-157c-7f03-80af-78de455264a9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/SelectedBalanceSheetDataAccountsReceivableDetails" xlink:type="simple" xlink:href="nspw-20260930.xsd#SelectedBalanceSheetDataAccountsReceivableDetails"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/SelectedBalanceSheetDataAccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_01a068fc-157c-775f-a602-1d175701b073" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_01a068fc-157c-747c-81e0-b4445c80aa7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_01a068fc-157c-775f-a602-1d175701b073" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_01a068fc-157c-747c-81e0-b4445c80aa7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_01a068fc-157c-7eae-9e08-aff5d8639b3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_01a068fc-157c-775f-a602-1d175701b073" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_01a068fc-157c-7eae-9e08-aff5d8639b3f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/SelectedBalanceSheetDataPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="nspw-20260930.xsd#SelectedBalanceSheetDataPropertyPlantandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/SelectedBalanceSheetDataPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_01a068fc-157c-76ce-994e-77da34818031" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_01a068fc-157c-7170-953f-526b4e0db546" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_01a068fc-157c-76ce-994e-77da34818031" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_01a068fc-157c-7170-953f-526b4e0db546" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7b0d-b8df-1f9b0b38a077" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_01a068fc-157c-76ce-994e-77da34818031" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7b0d-b8df-1f9b0b38a077" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7cef-82b1-2ca4d1eafcaa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing_01a068fc-157c-741d-bbbf-bf291dc2878c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7cef-82b1-2ca4d1eafcaa" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing_01a068fc-157c-741d-bbbf-bf291dc2878c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_PublicUtilitiesPropertyPlantAndEquipmentCommonAndOtherPropertyPlantAndEquipment_01a068fc-157c-767f-9327-39746744ba30" xlink:href="nspw-20260930.xsd#nspw_PublicUtilitiesPropertyPlantAndEquipmentCommonAndOtherPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7cef-82b1-2ca4d1eafcaa" xlink:to="loc_nspw_PublicUtilitiesPropertyPlantAndEquipmentCommonAndOtherPropertyPlantAndEquipment_01a068fc-157c-767f-9327-39746744ba30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_01a068fc-157c-744a-a135-b5de74cea865" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_01a068fc-157c-7cef-82b1-2ca4d1eafcaa" xlink:to="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_01a068fc-157c-744a-a135-b5de74cea865" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/BorrowingsandOtherFinancingInstrumentsCreditFacilityDetails" xlink:type="simple" xlink:href="nspw-20260930.xsd#BorrowingsandOtherFinancingInstrumentsCreditFacilityDetails"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/BorrowingsandOtherFinancingInstrumentsCreditFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01a068fc-157c-7716-a37a-e3351222643c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_01a068fc-157c-7344-b580-e304b40b8f1b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01a068fc-157c-7716-a37a-e3351222643c" xlink:to="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_01a068fc-157c-7344-b580-e304b40b8f1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_01a068fc-157c-753f-8929-3eb120f82211" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01a068fc-157c-7716-a37a-e3351222643c" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_01a068fc-157c-753f-8929-3eb120f82211" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="nspw-20260930.xsd#IncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/IncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_01a068fc-157c-77ac-8926-962c168576f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_01a068fc-157c-77ac-8926-962c168576f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_01a068fc-157c-7c1b-b1ca-44c8a86229da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther_01a068fc-157c-7c1b-b1ca-44c8a86229da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_EffectiveIncomeTaxRateReconciliationAFUDCEquityPercent_01a068fc-157c-73b3-8fa0-a456e2917bea" xlink:href="nspw-20260930.xsd#nspw_EffectiveIncomeTaxRateReconciliationAFUDCEquityPercent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_nspw_EffectiveIncomeTaxRateReconciliationAFUDCEquityPercent_01a068fc-157c-73b3-8fa0-a456e2917bea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_EffectiveIncomeTaxRateReconciliationPlantRelatedExcessDeferredTaxesPercent_01a068fc-157c-7d42-9a1c-319a166d5cdf" xlink:href="nspw-20260930.xsd#nspw_EffectiveIncomeTaxRateReconciliationPlantRelatedExcessDeferredTaxesPercent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_nspw_EffectiveIncomeTaxRateReconciliationPlantRelatedExcessDeferredTaxesPercent_01a068fc-157c-7d42-9a1c-319a166d5cdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_EffectiveIncomeTaxRateReconciliationOtherRegulatoryAdjustmentsPercent_01a068fc-157c-75c8-be45-539aa1893184" xlink:href="nspw-20260930.xsd#nspw_EffectiveIncomeTaxRateReconciliationOtherRegulatoryAdjustmentsPercent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_nspw_EffectiveIncomeTaxRateReconciliationOtherRegulatoryAdjustmentsPercent_01a068fc-157c-75c8-be45-539aa1893184" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_01a068fc-157c-7d2b-bec3-959279a87c3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_01a068fc-157c-7d2b-bec3-959279a87c3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01a068fc-157c-73d2-9e50-af0190898e63" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_01a068fc-157c-7133-9a1c-144a26d6bd6d" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_01a068fc-157c-73d2-9e50-af0190898e63" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/BenefitPlansandOtherPostretirementBenefitsDetails" xlink:type="simple" xlink:href="nspw-20260930.xsd#BenefitPlansandOtherPostretirementBenefitsDetails"/>
  <link:calculationLink xlink:role="http://www.xcelenergy.com/role/BenefitPlansandOtherPostretirementBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a068fc-162a-79b4-ae77-e3ac849ac0c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_DefinedBenefitPlanCostsNotRecognizedDueToRegulation_01a178f8-9139-7eb3-b4b6-4c03d08a7678" xlink:href="nspw-20260930.xsd#nspw_DefinedBenefitPlanCostsNotRecognizedDueToRegulation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a068fc-162a-79b4-ae77-e3ac849ac0c0" xlink:to="loc_nspw_DefinedBenefitPlanCostsNotRecognizedDueToRegulation_01a178f8-9139-7eb3-b4b6-4c03d08a7678" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-7ec3-a0fc-2b89661c277e" xlink:href="nspw-20260930.xsd#nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_01a068fc-162a-79b4-ae77-e3ac849ac0c0" xlink:to="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-7ec3-a0fc-2b89661c277e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-72d6-a2c1-ffb78a8f1fbb" xlink:href="nspw-20260930.xsd#nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_01a068fc-162a-7748-ab04-fe5362539209" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-72d6-a2c1-ffb78a8f1fbb" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_01a068fc-162a-7748-ab04-fe5362539209" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_01a068fc-162a-734c-a03a-f232dc17b065" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-72d6-a2c1-ffb78a8f1fbb" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_01a068fc-162a-734c-a03a-f232dc17b065" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_01a068fc-162a-7c73-82c4-fa4437840584" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-72d6-a2c1-ffb78a8f1fbb" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_01a068fc-162a-7c73-82c4-fa4437840584" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_01a068fc-162a-7553-a750-5a004db90071" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_nspw_DefinedBenefitPlanNetBenefitCostCreditRecognizedBeforeRegulatoryAdjustments_01a068fc-162a-72d6-a2c1-ffb78a8f1fbb" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_01a068fc-162a-7553-a750-5a004db90071" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
