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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e8e24-7168-7798-b91c-3faed7c1efd4,g:ca693b74-3ae0-40d5-a6c7-e7023f14563a-->
<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-20260605.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_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019e8e24-7168-7e19-8d83-e4da7287f0b4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_DocumentInformationTable_019e8e24-7168-7e19-8d83-e4da7287f0b4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e8e24-7168-7901-97e6-fdd184c4cc93" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019e8e24-7168-7e19-8d83-e4da7287f0b4" xlink:to="loc_dei_LegalEntityAxis_019e8e24-7168-7901-97e6-fdd184c4cc93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e8e24-7168-7901-97e6-fdd184c4cc93_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e8e24-7168-7901-97e6-fdd184c4cc93" xlink:to="loc_dei_EntityDomain_019e8e24-7168-7901-97e6-fdd184c4cc93_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e8e24-7168-75b3-b17e-3b097bba4b34" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e8e24-7168-7901-97e6-fdd184c4cc93" xlink:to="loc_dei_EntityDomain_019e8e24-7168-75b3-b17e-3b097bba4b34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_xel_PublicServiceCompanyOfColoradoMember_019e8e24-7168-7b52-80d3-16fc53493d12" xlink:href="xel-20260605.xsd#xel_PublicServiceCompanyOfColoradoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e8e24-7168-75b3-b17e-3b097bba4b34" xlink:to="loc_xel_PublicServiceCompanyOfColoradoMember_019e8e24-7168-7b52-80d3-16fc53493d12" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019e8e24-7168-7d5a-8091-8f4a8c01e9ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019e8e24-7168-7e19-8d83-e4da7287f0b4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019e8e24-7168-7d5a-8091-8f4a8c01e9ad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-7d5a-8091-8f4a8c01e9ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019e8e24-7168-7d5a-8091-8f4a8c01e9ad" xlink:to="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-7d5a-8091-8f4a8c01e9ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-70d4-b788-07814b31468b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019e8e24-7168-7d5a-8091-8f4a8c01e9ad" xlink:to="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-70d4-b788-07814b31468b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019e8e24-7168-7a1d-b1be-d1d982bda753" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-70d4-b788-07814b31468b" xlink:to="loc_us-gaap_CommonStockMember_019e8e24-7168-7a1d-b1be-d1d982bda753" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_xel_A6.25JuniorSubordinatedNotesDue2085Member_019e8e24-7168-7858-bc3c-b82e174c6c00" xlink:href="xel-20260605.xsd#xel_A6.25JuniorSubordinatedNotesDue2085Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019e8e24-7168-70d4-b788-07814b31468b" xlink:to="loc_xel_A6.25JuniorSubordinatedNotesDue2085Member_019e8e24-7168-7858-bc3c-b82e174c6c00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e8e24-7168-7863-8561-2a84a0857827" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_AmendmentFlag_019e8e24-7168-7863-8561-2a84a0857827" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e8e24-7168-7a36-a4e2-3cb906390d4e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityRegistrantName_019e8e24-7168-7a36-a4e2-3cb906390d4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e8e24-7168-7d53-8101-a6cdb51c7750" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityCentralIndexKey_019e8e24-7168-7d53-8101-a6cdb51c7750" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e8e24-7168-71ca-8f9f-6a73e35f7c00" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e8e24-7168-71ca-8f9f-6a73e35f7c00" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e8e24-7168-76ce-9911-73263fae285e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_DocumentType_019e8e24-7168-76ce-9911-73263fae285e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e8e24-7168-7003-8603-32f29ed74813" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_DocumentPeriodEndDate_019e8e24-7168-7003-8603-32f29ed74813" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e8e24-7168-7a23-9b68-df43ee55e5b5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityFileNumber_019e8e24-7168-7a23-9b68-df43ee55e5b5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e8e24-7168-781c-8b45-8d4e0c4bb3c6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e8e24-7168-781c-8b45-8d4e0c4bb3c6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e8e24-7168-7b1d-98ee-54f26b361529" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityAddressAddressLine1_019e8e24-7168-7b1d-98ee-54f26b361529" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e8e24-7168-75ff-b8b6-f297101fc4b1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityAddressCityOrTown_019e8e24-7168-75ff-b8b6-f297101fc4b1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e8e24-7168-7171-a89b-8dd910cb0fd1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityAddressStateOrProvince_019e8e24-7168-7171-a89b-8dd910cb0fd1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e8e24-7168-7bfc-824c-05e4f276fb8a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityAddressPostalZipCode_019e8e24-7168-7bfc-824c-05e4f276fb8a" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e8e24-7168-721b-9639-c8b06b087b71" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_CityAreaCode_019e8e24-7168-721b-9639-c8b06b087b71" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e8e24-7168-75f2-a6ae-26830a55672d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_LocalPhoneNumber_019e8e24-7168-75f2-a6ae-26830a55672d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e8e24-7168-74d6-9b9e-a4b148ee8066" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_WrittenCommunications_019e8e24-7168-74d6-9b9e-a4b148ee8066" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e8e24-7168-70e9-b743-11c129fd2e41" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_SolicitingMaterial_019e8e24-7168-70e9-b743-11c129fd2e41" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e8e24-7168-7ebd-8ed7-ab907dba169c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_PreCommencementTenderOffer_019e8e24-7168-7ebd-8ed7-ab907dba169c" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e8e24-7168-7b7f-8e43-5954a2de816a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e8e24-7168-7b7f-8e43-5954a2de816a" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e8e24-7168-7f47-befc-ce576caf7ed0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_Security12bTitle_019e8e24-7168-7f47-befc-ce576caf7ed0" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e8e24-7168-7dfa-a9ef-3d40243e7bfa" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_TradingSymbol_019e8e24-7168-7dfa-a9ef-3d40243e7bfa" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e8e24-7168-7644-8f5a-84fe42a27738" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_SecurityExchangeName_019e8e24-7168-7644-8f5a-84fe42a27738" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e8e24-7168-7e51-b676-120fb11b098f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e8e24-7168-769b-8e13-6a9b4e15ad60" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e8e24-7168-7e51-b676-120fb11b098f" xlink:type="arc" order="21"/>
  </link:definitionLink>
</link:linkbase>
