地产项目改造绿色建筑

GRECO项目改造绿色建项目背景2009年底，CDC(CaissedesDépôtsetConsignations公司在法国环境法《Grenelle2GRECO项目，后者要求现有商业房地产的能耗到风险，并逐渐分摊改造成本。行动过程首先，CDC对其整个投资组合进行了能源审计，并根据实际能耗(来自些组件的更换成本包含在重大维修和的计划中。低标准，CDC可以验证不同改造计划的成本效率，并评估实现减耗目标所需的产价值进行对比，用于间接评估因子GRENELLE2产生的报废风险。虽然绩效收益绿色改造(E)10%的价值溢价。能源改造逐渐成为要求因此投资者需要对其投资组合采取能效策略以借鉴意义CDC(CaissedesDépôtsetConsignations)公司对其整个投资组合进行了能源审计并根据实际能耗(来自于租户和业主处)分解每个使用者的能耗(用于空10%的价值溢价。RefurbishmentofGRECOAtof2009,CaissedesDépôtsetConsignations(CDC)initiatedtheGRECOprojectinanticipationoftheFrenchenvironmentallawGrenelle2,requiringa38%reductioninenergyconsumptionfromexistingcommercialpropertystockby2020.CDCwantedtopromptlyaddresstheissuetolimitthedepreciationriskforitsexistingportfolioandspreadtherefurbishmentcostovertime.Initiativesand,energyauditswerecarriedoutonthewholeportfolio.Actualconsumptions(frombothtenantsandowner)wereusedtodetermineabreakdown mendationsissued.Majorupgradesweretimedtocoincidewiththereplacementofcomponentsattheendoftheirlife,inordertobecoveredbyplannedbudgetsformajorrepairsandAtabuildinglevel,refurbishmentcostsandpaybackperiodswerenottheonlycriteriausedfordecision-making.BycomparingtherefurbishmentcostandtheenergyconsumptionabatementCDCwasabletodemonstratethecostefficiencyofvariousrefurbishmentscenariosandassesstheimpactofanumberofdifferentactionsrequiredtomeetthereductions.Accountingonlyforenergyexpenses,theinvestmentpaybackperiodexceededeightyears.Thecomparisonbetweenrefurbishmentcostandassetvaluewasused.Thegreenrefurbishment(HQE),withacostofapproximayone-thirdoftheinitialbuildingvalue,enabledtheinvestortonearlydoubletheinitialvalueofitsasset.Inaddition,itledtoa10%valuepremiumcomparedtotheconventional(RT)Asenergyretrofits earegulatoryrequirement,investorswillrequireenergyefficiencystrategiesataportfolioscaleinordertomitigaterisk.Decisionswillnotonlyconcernchoosingrefurbishmentscenarioswithinbuildingsaccordingtechnicalcriteria,butwillalsorequireprioritizingbetweenassetstoizethevalueoftheportfolioovertimeaccordingtofinancialandenvironmentalcriteria.CDCcarriedoutEnergyauditsonthewholeportfolio.Actualconsumptions(frombothtenantsandowner)wereusedtodetermineabreakdownofenergyconsumptionperuse(forHVAC,lightingandotheruses)and issued.Thegreenrefurbishment(HQE),withacostofapproximayone-thirdoftheinitialbuildingvalue,enabledtheinvestortonearlydoubletheinitialvalueofitsasset.Inaddition,itledtoa10%valuepremiumcomparedtoth