<?xml version="1.0" encoding="UTF-8"?>
<!--
Linkbase:  Taxonomía para Grupo 1 - Cierre de 2025:  2025-12-31 - Versión: 3
 Creada por la Superintendencia de Servicios Públicos Domiciliarios. 
 Archivos generados el: 2026/04/29 - 17:54
 Basada en: XBRL Versión 2.1. 





 Desarrollada por: 
                             Juan Carlos Rodríguez Rivera -  https://www.linkedin.com/in/juan-carlos-rodriguez-xbrl/ - jcoolcat@gmail.com - +57 3016662961
-->
<!-- Generated with Reporting Standard S.L. XBRL Taxonomy builder version 20.26.1.1483 - http://www.reportingstandard.com -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xbrl.org/2005/xbrldt http://www.xbrl.org/2005/xbrldt-2005.xsd">
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2025-12-31/co-sspd_fc-04_2025-12-31" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#co-sspd_fc-04_2025-12-31"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31317"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-6" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31318"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-5" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31319"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-5-6" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31320"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-6" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31321"/>
  <link:roleRef xlink:type="simple" roleURI="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-5" xlink:href="../co-sspd_fc-04_2025-12-31.xsd#id31322"/>
  <link:arcroleRef xlink:type="simple" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef xlink:type="simple" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef xlink:type="simple" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:arcroleRef xlink:type="simple" arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef xlink:type="simple" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll"/>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2025-12-31/co-sspd_fc-04_2025-12-31">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesTabla" xlink:label="lbl139232"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139233"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="lbl139232" xlink:to="lbl139233"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_TotalPeriodoMember" xlink:label="lbl139234"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="10" xlink:to="lbl139234" xlink:from="lbl139233"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AcueductoMember" xlink:label="lbl139235"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20.0" xlink:to="lbl139235" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AlcantarilladoMember" xlink:label="lbl139236"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="30.0" xlink:to="lbl139236" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AseoMember" xlink:label="lbl139237"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="40.0" xlink:to="lbl139237" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_EnergiaElectricaMember" xlink:label="lbl139238"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="50.0" xlink:to="lbl139238" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasNaturalMember" xlink:label="lbl139239"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="60.0" xlink:to="lbl139239" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasLicuadoDePetroleoMember" xlink:label="lbl139240"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="70.0" xlink:to="lbl139240" xlink:from="lbl139234"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesPartidas" xlink:label="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesSubsidios" xlink:label="lbl139242"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20.0" xlink:from="lbl139241" xlink:to="lbl139242"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesSubsidiosEstrato1" xlink:label="lbl139243"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="30.0" xlink:to="lbl139243" xlink:from="lbl139242"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesSubsidiosEstrato2" xlink:label="lbl139244"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="40.0" xlink:to="lbl139244" xlink:from="lbl139242"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesSubsidiosEstrato3" xlink:label="lbl139245"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="50.0" xlink:to="lbl139245" xlink:from="lbl139242"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesSubsidiosTotalSubsidios" xlink:label="lbl139246"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="60.0" xlink:to="lbl139246" xlink:from="lbl139242"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribuciones" xlink:label="lbl139247"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="70.0" xlink:to="lbl139247" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesEstrato5" xlink:label="lbl139248"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="80.0" xlink:to="lbl139248" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesEstrato6" xlink:label="lbl139249"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="90.0" xlink:to="lbl139249" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesComercial" xlink:label="lbl139250"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="100.0" xlink:to="lbl139250" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesIndustrial" xlink:label="lbl139251"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="110.0" xlink:to="lbl139251" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesTotalContribucion" xlink:label="lbl139252"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="120.0" xlink:to="lbl139252" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesValorNetoSubsidiosContribuciones" xlink:label="lbl139253"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="130.0" xlink:to="lbl139253" xlink:from="lbl139247"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesContribucionesDetalleDeterioroCarteraMunicipios" xlink:label="lbl139254"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="140.0" xlink:to="lbl139254" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioFoes" xlink:label="lbl139255"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="150.0" xlink:to="lbl139255" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioFaer" xlink:label="lbl139256"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="160.0" xlink:to="lbl139256" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioFazni" xlink:label="lbl139257"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="170.0" xlink:to="lbl139257" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioProne" xlink:label="lbl139258"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="180.0" xlink:to="lbl139258" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioGasCombustiblePorRedes" xlink:label="lbl139259"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="190.0" xlink:to="lbl139259" xlink:from="lbl139241"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_SubsidioGLP" xlink:label="lbl139260"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="200.0" xlink:to="lbl139260" xlink:from="lbl139241"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:closed="true" xbrldt:contextElement="scenario" xlink:from="lbl139241" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6" xlink:from="lbl139255" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6" xlink:from="lbl139256" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6" xlink:from="lbl139257" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6" xlink:from="lbl139258" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-6" xlink:from="lbl139259" xlink:to="lbl139232"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/notAll" xbrldt:closed="true" xbrldt:contextElement="scenario" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-5" xlink:from="lbl139260" xlink:to="lbl139232"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-5-6">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesTabla" xlink:label="lbl139261"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139262"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-5-6" xlink:from="lbl139261" xlink:to="lbl139262"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-5-6">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139263"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AcueductoMember" xlink:label="lbl139264"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="10" xlink:from="lbl139263" xlink:to="lbl139264"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AlcantarilladoMember" xlink:label="lbl139265"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="20" xlink:to="lbl139265" xlink:from="lbl139263"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AseoMember" xlink:label="lbl139266"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="30" xlink:to="lbl139266" xlink:from="lbl139263"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasNaturalMember" xlink:label="lbl139267"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="40" xlink:to="lbl139267" xlink:from="lbl139263"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasLicuadoDePetroleoMember" xlink:label="lbl139268"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="50" xlink:to="lbl139268" xlink:from="lbl139263"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-6">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesTabla" xlink:label="lbl139269"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139270"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-6" xlink:from="lbl139269" xlink:to="lbl139270"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-6">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139271"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AcueductoMember" xlink:label="lbl139272"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="10" xlink:from="lbl139271" xlink:to="lbl139272"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AlcantarilladoMember" xlink:label="lbl139273"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="20" xlink:to="lbl139273" xlink:from="lbl139271"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AseoMember" xlink:label="lbl139274"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="30" xlink:to="lbl139274" xlink:from="lbl139271"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_EnergiaElectricaMember" xlink:label="lbl139275"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="40" xlink:to="lbl139275" xlink:from="lbl139271"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasLicuadoDePetroleoMember" xlink:label="lbl139276"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="50" xlink:to="lbl139276" xlink:from="lbl139271"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Tabla-AreaGrisColumna1-2-3-4-5">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesTabla" xlink:label="lbl139277"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139278"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xbrldt:targetRole="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-5" xlink:from="lbl139277" xlink:to="lbl139278"/>
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.superservicios.gov.co/xbrl/ifrs/2017-12-31/co-sspd_fc-04_2017-12-31-Eje-AreaGrisColumna1-2-3-4-5">
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_FormatoComplementarioSubsidiosContribucionesEje" xlink:label="lbl139279"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AcueductoMember" xlink:label="lbl139280"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="10" xlink:from="lbl139279" xlink:to="lbl139280"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AlcantarilladoMember" xlink:label="lbl139281"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="20" xlink:to="lbl139281" xlink:from="lbl139279"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_AseoMember" xlink:label="lbl139282"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="30" xlink:to="lbl139282" xlink:from="lbl139279"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_EnergiaElectricaMember" xlink:label="lbl139283"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="40" xlink:to="lbl139283" xlink:from="lbl139279"/>
    <link:loc xlink:type="locator" xlink:href="../../../Comun/co-sspd-ef-Grupo1_2025-12-31.xsd#co-sspd-ef-Grupo1_GasNaturalMember" xlink:label="lbl139284"/>
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="50" xlink:to="lbl139284" xlink:from="lbl139279"/>
  </link:definitionLink>
</link:linkbase>