4.7 Article

Analysing co-benefits of the energy conservation and carbon reduction in China's large commercial buildings

Journal

JOURNAL OF CLEANER PRODUCTION
Volume 58, Issue -, Pages 112-120

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2013.04.039

Keywords

Energy consumption; GHG emissions; Co-benefits; Large commercial buildings; China

Funding

  1. Ministry of the Environment Government of Japan (MOEJ)
  2. United Nations University Institute of Advanced Studies (UNU-IAS)
  3. Chinese Academy of Sciences [2008-318]
  4. Natural Science Foundation of China [71033004]
  5. Ministry of Science and Technology [2011BAJ06B01]

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Energy consumption keeps increasing in China's building sector with the constant growth of urban population and people's living standard. In order to achieve co-benefits of reducing energy use, green-house gas (GHG) emissions and energy costs effectively, all respects related to the energy performance in the building sector need to be addressed. Considering the fact that over 80% of total energy use in a building's lifecycle is contributed by the operation stage, the study's focus is put on this stage for well understanding the energy consumption and carbon emissions and exploring the approach to achieve the effectiveness of co-benefits. The energy use in large commercial buildings is 4-6 times higher than residential buildings in China, thus IKEA Xuhui Store as one of large shopping malls in Shanghai is selected as the case study by using the method formed in the study. The outcomes of research show that the benefit of annual 170 MWh of energy use and 150 tons of CO(2)e reduction as well as the significant economic benefit have been achieved by implementing different measures in IKEA Xuhui Store between 2008 and 2011. Existing investment, technology and capacity barriers to co-benefits approach in a wider consideration of China's building sector are described. The assessment for evaluating co-benefits of cutting energy use and CO2 emissions in the production and demolition stages in a building's lifecycle are also addressed by the paper. However, it is very complicated to make a lifecycle assessment on the overall co-benefits in the building sector because of the complexity and the lack of available data for the research. (C) 2013 Elsevier Ltd. All rights reserved.

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