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Decision on optimal building energy efficiency standard in China - The case for Tianjin

Abstract : This paper investigates the optimal choice of building energy efficiency (BEE) standard in the context of centralised urban district heating system in northern China. By employing a techno-economic analysis approach, we demonstrate that the current BEE standard implemented in the Chinese cities should be tightened further in order to achieve a socially optimal level. Without considering the externality costs associated with carbon dioxide (CO2) emissions, current BEE standards need to be upgraded to the equivalent level of French RT2005 standard coupled with a properly designed district coal-fired Combined Heat and Power (CHP). In contrast, the equivalent efficiency standard of Swedish building code is preferably to be implemented in the case of explicit carbon emission restriction as long as the marginal cost of carbon emission (carbon price) is sufficiently high. The fuel-switching policy (from coal to natural gas) in the urban district heating system would result in significant increase in overall costs if the BEE upgrade is not taken into account simultaneously. It is also found that BEE improvements in northern Chinese cities are more cost-effective than investing in low-carbon technologies such as wind power or Carbon Capture and storage in the EU and US with regard to CO2 emissions mitigation.
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Submitted on : Wednesday, January 13, 2010 - 3:50:26 PM
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Jun Li, Michel Colombier, Pierre-Noël Giraud. Decision on optimal building energy efficiency standard in China - The case for Tianjin. Energy Policy, Elsevier, 2009, 37 (7), pp.2546-2559. ⟨10.1016/j.enpol.2009.01.014⟩. ⟨hal-00446880⟩



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