1Germany’sRegulatoryFrameworkandInstrumentsforEnergyEfficiencyinIndustrySino-GermanEnergyTransitionProject2ImprintThereport“EnergyEfficiencyPolicyinGermany”introducestheimportanceofenergyefficiencyintheframeofclimateneutralityandthebestpracticemeasuresandpoliciesforenergyefficiencyinGermany.ThereportispublishedbyGIZintheframeworkoftheSino-GermanEnergyTransitionProject.TheprojectsupportstheexchangebetweenChinesegovernmentthinktanksandGermanresearchinstitutionstostrengthentheSino-GermanscientificexchangeontheenergytransitionandshareGermanenergytransitionexperienceswithaChineseaudience.Theprojectaimstopromotealow-carbon-orientedenergypolicyandhelptobuildamoreeffective,low-carbonenergysysteminChinathroughinternationalcooperation,policyresearchandmodellingformutualbenefit.TheprojectissupportedbytheGermanFederalMinistryforEconomicAffairsandClimateAction(BMWK)intheframeworkoftheSino-GermanEnergyPartnership,thecentralplatformforenergypolicydialoguebetweenGermanyandChinaonanationallevel.FromtheChineseside,theNationalEnergyAdministration(NEA)supportstheoverallsteering.TheDeutscheGesellschaftfürInternationaleZusammenarbeit(GIZ)GmbHleadstheprojectimplementationincooperationwiththeGermanEnergyAgency(dena)andAgoraEnergiewende.PublishedbySino-GermanEnergyPartnershipcommissionedbytheGermanFederalMinistryforEconomicAffairsandClimateAction(BMWK)TayuanDiplomaticOfficeBuilding1-15,14LiangmaheSouthStreet,ChaoyangDistrict100600Beijing,P.R.Chinac/oDeutscheGesellschaftfürInternationaleZusammenarbeit(GIZ)GmbHTorstenFritscheKöthenerStr.2Berlin10963ProjectManagement:ChristophBothDeutscheGesellschaftfürInternationaleZusammenarbeit(GIZ)GmbHAuthors:MartinAlbicker,denaLeonFlöer,denaDesignedelman.ergo(commissionedbyBMWK)Image:BMWK/Cover©Beijing,January2023Thisreportinitsentiretyisprotectedbycopyright.Theinformationcontainedhereinwascompiledtothebestofourknowledgeandbeliefinaccordancewiththeprinciplesofgoodscientificpractice.Theauthorsbelievetheinformationinthisreportiscorrect,completeandcurrentbutacceptnoliabilityforanyerrors,explicitorimplicit.Responsibilityforthecontentofexternalwebsiteslinkedtointhispublicationalwayslieswiththeirrespectivepublishers.Thestatementsinthisdocumentdonotnecessarilyreflecttheclient’sopinion.GIZacceptsnoresponsibilityforthesemapsbeingentirelyuptodate,correctorcomplete.Allliabilityforanydamage,directorindirect,resultingfromtheiruseisexcluded.3Contents1Contents....................................................................................................................................32ExecutiveSummary...............................................................................................................43Introduction.............................................................................................................................53.1Definitionofenergyefficiency...................................................................................................................................................53.2Differencebetweenefficiency,sufficiencyandconsistency...............................................................................................63.3Energyefficiencyandreboundeffects......................................................................................................................................63.4Potentialofenerg...