globalchange  > 气候变化与战略
DOI: 10.1016/j.enpol.2019.111085
论文题名:
Measuring the thermal energy performance gap of labelled residential buildings in Switzerland
作者: Cozza S.; Chambers J.; Patel M.K.
刊名: Energy Policy
ISSN: 03014215
出版年: 2020
卷: 137
语种: 英语
中文关键词: Actual consumption ; Energy label ; Energy performance gap ; Environmental policy target
英文关键词: Energy utilization ; Environmental protection ; Housing ; Labels ; Thermal energy ; Actual consumption ; Energy labels ; Energy performance ; Energy saving potential ; Energy strategy ; Environmental policy ; High performance buildings ; Residential building ; Energy efficiency ; building ; energy conservation ; energy use ; environmental policy ; performance assessment ; thermal power ; Switzerland
英文摘要: This paper addresses the thermal Energy Performance Gap (EPG), defined as the difference between a building's theoretical and actual energy consumption for thermal purposes (heating and hot water). Successful energy policies require estimates of the energy saving potential of the building stock. It is the objective of this work to analyse whether and to what extent an EPG exists in residential buildings in Switzerland. The database of the Swiss Cantonal Energy Certificate for Buildings was used, covering over 50 000 buildings. The median EPG was found to be −11% (i.e. actual consumption lower than theoretical) but varied across ratings from 12.4% (B-label) to −40.4% (G-label). Buildings with low energy ratings tend to consume significantly less than expected, while buildings with high rating tend to consume slightly more than expected. For the A-labels buildings (0.5% of the total) an EPG of −6.2% was found, suggesting that the very high-performance buildings may be more robust to the EPG. Simplified scenarios to illustrate the impact of this EPG on total consumption are presented, which highlight the challenge of meeting the Swiss Energy Strategy 2050 with a realistic renovation rate. The importance of low carbon heat supply for buildings is also discussed. © 2019 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/167092
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作者单位: Chair for Energy Efficiency, Institute for Environmental Sciences and Department F.-A. Forel for Environmental and Aquatic Sciences, University of Geneva, Switzerland

Recommended Citation:
Cozza S.,Chambers J.,Patel M.K.. Measuring the thermal energy performance gap of labelled residential buildings in Switzerland[J]. Energy Policy,2020-01-01,137
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