Does Leed Certification Save Energy? Evidence from Federal Buildings

Karen Clay, Edson Severnini, Xiaochen Sun
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引用次数: 3

Abstract

In the absence of first-best climate policy, energy efficiency has figured prominently among strategies to reduce carbon emissions. One of the most sought-after green certification in the building sector is the internationally recognized Leadership in Energy & Environmental Design (LEED). This paper examines the effects of LEED certification on energy efficiency in federally owned buildings. Using propensity score matching and difference in differences models, we find no effect of LEED certification on average energy consumption. This reflects the fact that energy use is one of a number of attributes that receives scores under the LEED program. Buildings with above average energy scores have greater energy efficiency post-certification. Some other attributes, notably higher water scores, decrease energy efficiency post-certification. Trade-offs across LEED attributes account for the absence of energy savings on average. If energy efficiency is the primary policy goal, LEED certification may not be the most effective means to reach that goal.

Institutional subscribers to the NBER working paper series, and residents of developing countries may download this paper without additional charge at www.nber.org.
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Leed认证节能吗?来自联邦大楼的证据
在缺乏最佳气候政策的情况下,能源效率在减少碳排放的战略中占据了突出地位。建筑领域最受欢迎的绿色认证之一是国际公认的能源与环境设计领导力(LEED)。本文考察了LEED认证对联邦所有建筑能源效率的影响。利用倾向得分匹配和差异模型的差异,我们发现LEED认证对平均能耗没有影响。这反映了这样一个事实,即能源使用是在LEED项目中获得分数的众多属性之一。能源得分高于平均水平的建筑在认证后能效更高。其他一些属性,特别是更高的水得分,降低了认证后的能源效率。LEED属性之间的权衡解释了平均没有节能的原因。如果能源效率是主要的政策目标,那么LEED认证可能不是实现这一目标的最有效手段。国家经济研究局工作论文系列的机构订阅者和发展中国家的居民可以在www.nber.org免费下载本文。
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