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DeepEnergyRetrofitProject(DER)CaseStudiesfromIEAAnnex61

CyrusNasseriFederalEnergyManagementProgramU.S.DepartmentofEnergy

15September2016

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PurposeofCaseStudyDocumentation• Thetypicalenergyefficiencyprojectresultsin15%- 20%reductionin

energyuseintensity.ThiswillnotbesufficientforU.S.federalsectorprojectstoreachenergy,waterandGHGreductiongoals.

• DERprojects– 50%ormoreenergyreduction– requireinnovativeapproaches– Projectdesign- UseofleastcostpathECMbundlesinsteadofsingle

measures,combinationofhighandlessefficientmeasures– Projectfinancing:combinedfundingprivate/publictoleveragescarce

appropriatedfunding,butDERprojectsmustmeetESPC/UESCfinancialrequirementsandmusttakeatotalproject– notstagedrefurbishments- approach

– Projectmanagement:ManagingcombinedconstructionandESCOcontractors

• DERcasestudiesshowthatitisfeasibletoreduceenergybymorethan50%cost-effectively

• DocumentationofcasestudiesintheIEAAnnex61Guideto:– ProvidedesignguidancefortheDERECMbundles– SuggestfinancingmodelsespeciallytheusageofadvancedDEREPC– HelpformalizeandprovidebankabilityoftheDERvaluepropositions

– anefficient,healthy,comfortable,reliable,well-maintained,sustainableandsecurebuildingisworthmore

– Lessonslearned:assistancewithprojectmanagementandmakingsurebuildingsperformasdesigned

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KirstenEngelund Thomsen(AalborgUniversity,Denmark)providesanoverviewof26casestudiesandsomespecificprojectexamplesthatshowDERisfeasibleandprofitable.

KingaPorst Hydras(GSA),JayTulley (POMAG),DustyWheeler(Honeywell)summarizesomeindividualprojects,showinghowtodoit:• PresentanddiscussDERapproaches,successstories,and

lessonslearned• Emphasison:– Technicalsolutionstoreduceenergyconsumptionbyatleast50%

– Costeffectivenessoftheapproach(es)– Businessandfinancialmodelsused

CaseStudyPresentationSession