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Energy-water nexus of wind power in China: The balancing act between CO2 emissions and water consumption

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  • Li, Xin
  • Feng, Kuishuang
  • Siu, Yim Ling
  • Hubacek, Klaus
Abstract
At the end of 2010, China's contribution to global CO2 emissions reached 25.1%. Estimates show that power generation accounts for 37.2% of the Chinese CO2 emissions. Even though there is an increasing number of studies using life cycle analysis (LCA) to examine energy consumption and CO2 emissions required by different types of power generation technologies, there are very few studies focusing on China. Furthermore, the nexus between water consumption and energy production has largely been ignored. In this paper, we adopt input–output based hybrid life cycle analysis to evaluate water consumption and CO2 emissions of wind power in China. Our results show that China's wind energy consumes 0.64l/kWh of water and produces 69.9g/kWh of CO2 emission. Given that the Chinese government aims to increase the wind power generation capacity to 200GW by 2020, wind power could contribute a 23% reduction in carbon intensity and could save 800 million m3 of water which could be sufficient enough for use by 11.2 million households. Thus, given the often postulated water crisis, China's energy policy would reap double benefits through progressive energy policies when increasing the share of wind power as part of overall efforts to diversify its electricity generation technologies.

Suggested Citation

  • Li, Xin & Feng, Kuishuang & Siu, Yim Ling & Hubacek, Klaus, 2012. "Energy-water nexus of wind power in China: The balancing act between CO2 emissions and water consumption," Energy Policy, Elsevier, vol. 45(C), pages 440-448.
    • Handle: RePEc:eee:enepol:v:45:y:2012:i:c:p:440-448
    DOI: 10.1016/j.enpol.2012.02.054
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    References listed on IDEAS

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    Keywords

    Wind power in China; Water consumption; CO2 emissions;
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