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Impact of urban temperature on energy consumption of Hong Kong

Author

Listed:
  • Fung, W.Y.
  • Lam, K.S.
  • Hung, W.T.
  • Pang, S.W.
  • Lee, Y.L.

Abstract

The aim of this study is to estimate the potential impact of ambient temperature rise due to urbanization or global warming on energy consumption in Hong Kong. Using one-year data, the temperature dependence of the monthly consumption of one energy fuel (electricity, gas or oil) in a specific category (domestic, commercial or industrial) was determined by a statistical regression (E=f(T)). The increase in energy consumption for each year assuming a 1°C temperature rise could then be estimated. The analyses show that the percentage changes of annual electricity and domestic gas consumption remained consistent for 15 years. The results show that for a 1°C ambient temperature rise, the electricity consumption would increase by 9.2%, 3.0%, and 2.4% in domestic, commercial and industrial sectors, respectively. The corresponding economic impact on total electricity consumptions was estimated at HK$1.7 billion (in 2004). The domestic gas demand due to a 1°C ambient temperature rise would be reduced by 2.4% and its economic saving would be HK$ 77 million. The temperature dependence of monthly oil products consumption was very weak. In summary, for a 1°C ambient temperature rise, the energy cost of Hong Kong would probably increase by HK$1.6 billion per year.

Suggested Citation

  • Fung, W.Y. & Lam, K.S. & Hung, W.T. & Pang, S.W. & Lee, Y.L., 2006. "Impact of urban temperature on energy consumption of Hong Kong," Energy, Elsevier, vol. 31(14), pages 2623-2637.
    • Handle: RePEc:eee:energy:v:31:y:2006:i:14:p:2623-2637
    DOI: 10.1016/j.energy.2005.12.009
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    References listed on IDEAS

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    1. Lam, Joseph C., 1996. "An analysis of residential sector energy use in Hong Kong," Energy, Elsevier, vol. 21(1), pages 1-8.
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    4. Tso, Geoffrey K.F & Yau, Kelvin K.W, 2003. "A study of domestic energy usage patterns in Hong Kong," Energy, Elsevier, vol. 28(15), pages 1671-1682.
    5. Sarak, H & Satman, A, 2003. "The degree-day method to estimate the residential heating natural gas consumption in Turkey: a case study," Energy, Elsevier, vol. 28(9), pages 929-939.
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