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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a01fa3-dabe-7d59-b411-d1efd71333de,g:374c7eb9-d64f-4f0f-ac00-aa07486581d2-->
<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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.xcelenergy.com/role/CoverPage" xlink:type="simple" xlink:href="xel-20260819.xsd#CoverPage"/>
  <link:definitionLink xlink:role="http://www.xcelenergy.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_01a01fa3-dabe-7495-a7c0-1dd2e609c52d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_DocumentInformationTable_01a01fa3-dabe-7495-a7c0-1dd2e609c52d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_01a01fa3-dabe-73bb-9d53-33331b7ae0e1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a01fa3-dabe-7495-a7c0-1dd2e609c52d" xlink:to="loc_dei_LegalEntityAxis_01a01fa3-dabe-73bb-9d53-33331b7ae0e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_01a01fa3-dabe-73bb-9d53-33331b7ae0e1_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_01a01fa3-dabe-73bb-9d53-33331b7ae0e1" xlink:to="loc_dei_EntityDomain_01a01fa3-dabe-73bb-9d53-33331b7ae0e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_01a01fa3-dabe-7e5c-a09f-9926155406a2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_01a01fa3-dabe-73bb-9d53-33331b7ae0e1" xlink:to="loc_dei_EntityDomain_01a01fa3-dabe-7e5c-a09f-9926155406a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_xel_PublicServiceCompanyOfColoradoMember_01a01fa3-dabe-7403-bcf4-be25734f9f9e" xlink:href="xel-20260819.xsd#xel_PublicServiceCompanyOfColoradoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_01a01fa3-dabe-7e5c-a09f-9926155406a2" xlink:to="loc_xel_PublicServiceCompanyOfColoradoMember_01a01fa3-dabe-7403-bcf4-be25734f9f9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_01a01fa7-8ad3-705f-8099-642349df7667" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_01a01fa3-dabe-7495-a7c0-1dd2e609c52d" xlink:to="loc_us-gaap_StatementClassOfStockAxis_01a01fa7-8ad3-705f-8099-642349df7667" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-705f-8099-642349df7667_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a01fa7-8ad3-705f-8099-642349df7667" xlink:to="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-705f-8099-642349df7667_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-719c-b01f-e1ab2db2bada" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a01fa7-8ad3-705f-8099-642349df7667" xlink:to="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-719c-b01f-e1ab2db2bada" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_01a01fa7-b4c3-73f0-bcf8-cbffd2ef8f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-719c-b01f-e1ab2db2bada" xlink:to="loc_us-gaap_CommonStockMember_01a01fa7-b4c3-73f0-bcf8-cbffd2ef8f5e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_xel_A6.25JuniorSubordinatedNotesDue2085Member_01a01fa8-335b-7bbd-bef9-40a8306e4430" xlink:href="xel-20260819.xsd#xel_A6.25JuniorSubordinatedNotesDue2085Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a01fa7-8ad3-719c-b01f-e1ab2db2bada" xlink:to="loc_xel_A6.25JuniorSubordinatedNotesDue2085Member_01a01fa8-335b-7bbd-bef9-40a8306e4430" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a01fa3-dabe-702f-9aa3-d875b9bd5c4c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_AmendmentFlag_01a01fa3-dabe-702f-9aa3-d875b9bd5c4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a01fa3-dabe-7782-8853-1dfc6062509f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityRegistrantName_01a01fa3-dabe-7782-8853-1dfc6062509f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a01fa3-dabe-750f-8939-26c1ad2c609b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityCentralIndexKey_01a01fa3-dabe-750f-8939-26c1ad2c609b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a01fa3-dabe-7ec2-9679-6c623a8457a0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a01fa3-dabe-7ec2-9679-6c623a8457a0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a01fa3-dabe-755a-9fb2-ebc8e2ab592f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_DocumentType_01a01fa3-dabe-755a-9fb2-ebc8e2ab592f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a01fa3-dabe-7869-9c9a-1985c008e0a5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_DocumentPeriodEndDate_01a01fa3-dabe-7869-9c9a-1985c008e0a5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a01fa3-dabe-7fb9-99df-deb03bcfa5b9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityFileNumber_01a01fa3-dabe-7fb9-99df-deb03bcfa5b9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a01fa3-dabe-769f-a59f-ec997cf31479" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a01fa3-dabe-769f-a59f-ec997cf31479" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a01fa3-dabe-78ad-8702-16654c1f8190" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityAddressAddressLine1_01a01fa3-dabe-78ad-8702-16654c1f8190" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a01fa3-dabe-778a-856e-f05786f7610a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityAddressCityOrTown_01a01fa3-dabe-778a-856e-f05786f7610a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a01fa3-dabe-7c41-ae51-385ab1e5d637" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityAddressStateOrProvince_01a01fa3-dabe-7c41-ae51-385ab1e5d637" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a01fa3-dabe-72c9-9d0d-78b548a57cb8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityAddressPostalZipCode_01a01fa3-dabe-72c9-9d0d-78b548a57cb8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a01fa3-dabe-7367-9fed-6cc2aeaf5b2e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_CityAreaCode_01a01fa3-dabe-7367-9fed-6cc2aeaf5b2e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a01fa3-dabe-79cc-9d77-2d3f7151950c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_LocalPhoneNumber_01a01fa3-dabe-79cc-9d77-2d3f7151950c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a01fa3-dabe-7093-9963-308b977e7d39" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_WrittenCommunications_01a01fa3-dabe-7093-9963-308b977e7d39" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a01fa3-dabe-7bcf-9eed-90094d2222fa" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_SolicitingMaterial_01a01fa3-dabe-7bcf-9eed-90094d2222fa" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a01fa3-dabe-78e6-b26c-c816842bfa13" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_PreCommencementTenderOffer_01a01fa3-dabe-78e6-b26c-c816842bfa13" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a01fa3-dabe-7ce4-938a-751a06db77bd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a01fa3-dabe-7ce4-938a-751a06db77bd" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a01fa3-dabe-7ed9-a06f-35971556c030" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_Security12bTitle_01a01fa3-dabe-7ed9-a06f-35971556c030" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a01fa3-dabe-7672-9364-c2c26492eb54" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_TradingSymbol_01a01fa3-dabe-7672-9364-c2c26492eb54" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a01fa3-dabe-79cb-9785-98fbeb23a0bf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_SecurityExchangeName_01a01fa3-dabe-79cb-9785-98fbeb23a0bf" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a01fa3-dabe-78de-9f81-4a8ea0691de3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_01a01fa3-dabe-7b8e-9966-69959128d96d" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a01fa3-dabe-78de-9f81-4a8ea0691de3" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
