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1、InternationalStandardISO50002-3Firstedition2025-06Energyaudits一Part3:GuidanceforconductinganenergyauditusingISO50002-1inprocessesAuditsenergetiques一Partie3:Recommandationspourlaconduited,unauditenergetiqueselonISO50002-1dansdesprocessusReferencenumberISO50002-3:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2
2、025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.Permissioncanberequeste
3、dfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandPageContentsForewordivIntroductionv1 Scope12 Normativereferences.13 Termsanddefiniti
4、ons14 Principlesofenergyauditing25 Performinganenergyaudit2Planning2Openingmeeting3Datacollection3Measurementplan.41.1.1 General41.1.2 Preliminarydataanalysis41.1.3 Datameasurementplan41.1.4 Sitevisits51.1.5 Managementoffieldwork55.7 Analysis55.7.1 General.55.7.2 Analysisofcurrentenergyperformance55
5、.7.3 Identificationofenergyperformanceimprovementopportunities65.7.4 Evaluationofenergyperformanceimprovementopportunities.75.8 Reporting75.8.1 General75.8.2 Reportcontent75.9 Closingmeeting76Competenceoftheenergyauditor7Annex A (informative)Datawhichcanbecollected8Annex B (informative)Qualityofmeas
6、urementplan15Annex C (informative)Representativeenergysamplingapproachformulti-siteorganizations17Bibliography19ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthro
7、ughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechni
8、calCommission(IEC)onallmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.Thisdocumentwasdraftedi
9、naccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asoftheda
10、teofpublicationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.HoweverlImplementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyingany
11、orallsuchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTrade
12、Organization(WTO)principlesintheTechnicalBarrierstoTrade(TBT工seeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC301,Energymanagementandenergysavings.AlistofallpartsintheISO50002seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheuser
13、snationalstandardsbody.AcompletelistingofthesebodiescanbefoundatWWW.iso.org/members.htmLIntroductionAnenergyauditcanhelpanorganizationidentifyopportunitiestoimproveenergyperformance.Itcanbepartofasite-wideenergymanagementsystem(EnMS).ThisdocumentprovidesguidanceforconductinganISO50002-1-basedenergya
14、uditofprocesses.Therearemanytypesofprocessesinindustryandcommerce.Ingeneral,energyisused: directlybyaprocess(e.g.furnaces,directfireddryers); indirectlybyaprocess(e.g.heatexchange,distillation,extrusion),includingthespecificconditionsofproduction(e.g.start-up,shut-down,productchangeover,cleaning,mai
15、ntenance,laboratoryandproducttransfer); directlybyacommercialorganization,(e.g.mealpreparationprocess,TVbroadcastingprocess,datacentreprocess,coffeeroasting); utilityprocesses(e.g.motordrivensystems(fans,pumps,motors,compressors,etc)steam,hotwater),includingon-sitepowerplants; productorservicechangeover,(e.g.changeofproductionfeedorproductionquality,start-up,shutdown,cleaning-in-place,sterilization); otherprocesses(e.g.sterilizationinhospitals,fumecupboards,laboratories).Theenergyauditscoveredbythisdocumentmaybeindependentfromenergyperformancecertification.Ener
