EN17423-2020isaEuropeanstandardthatprovidesgeneralprinciplesfordeterminingandreportingtheprimaryenergyfactorandthecarbondioxideemissioncoefficientrelatedtotheenergyperformanceofbuildings.ThisstandardfallsunderModuleM1-7,whichispartofamodularframeworkusedinthecontextoftheEnergyPerformanceofBuildingsDirective(EPBD)andrelatedregulations.Theprimaryenergyfactor(PEF)representstheratioofprimaryenergytodeliveredenergy,accountingforenergylossesinextraction,conversion,anddistribution.Thecarbondioxideemissioncoefficient(CO2coefficient)indicatestheamountofCO2emissionsassociatedwithaunitofenergydelivered.Keyaspectscoveredinthestandardinclude:-DefinitionsandmethodologiesforcalculatingprimaryenergyfactorsandCO2emissioncoefficients.-Guidanceondatasources,consistency,andtransparencyinreporting.-Considerationofdifferentenergycarriers(e.g.,electricity,naturalgas,renewables).-AlignmentwithoverarchingEUpoliciesandgoalsforenergyefficiencyanddecarbonization.ThisstandardsupportstheassessmentandcomparisonofbuildingenergyperformanceacrosstheEU,promotinguniformityandaccuracyinenergyandemissionsreporting.
