Do LEED-certified buildings save energy? Yes, but...

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DOIResolve DOI: http://doi.org/10.1016/j.enbuild.2009.03.014
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TypeArticle
Journal titleEnergy and Buildings
Volume41
Issue8
Pages897905; # of pages: 9
SubjectEnergy efficiency
AbstractWe conducted a re-analysis of data supplied by the New Buildings Institute and the US Green Buildings Council on measured energy use data from 100 LEED certified commercial and institutional buildings. These data were compared to the energy use of the general US commercial building stock. We also examined energy use by LEED certification level, and by energy-related credits achieved in the certification process. On average, LEED buildings used 18-39% less energy per floor area than their conventional counterparts. However, 28-35% of LEED buildings used more energy than their conventional counterparts. Further, the measured energy performance of LEED buildings had little correlation with certification level of the building, or the number of energy credits achieved by the building at design time. Therefore, at a societal level, green buildings can contribute substantial energy savings, but further work needs to be done to define green building rating schemes to ensure more consistent success at the individual building level. Note, these findings should be considered as preliminary, and the analyses should be repeated when longer data histories from a larger sample of green buildings are available.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number51142
20031
NPARC number20373975
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Record identifier367e8a94-0f06-49e1-ab61-f76a968063df
Record created2012-07-23
Record modified2016-05-09
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