Global water use associated with energy supply, demand and international trade of China

Yitong Liu, Bin Chen, Wendong Wei, Ling Shao, Zhi Li, Weizhong Jiang and Guoqian Chen

Applied Energy, 2020, vol. 257, issue C

Abstract: It’s anticipated that future expansion of energy industry in China will inevitably exert enormous pressure on water use both at home and abroad, due to the globalized energy supply chains. Therefore, this study aims to systematically evaluate the global water use embodied in China’s energy supply chains (i.e., energy supply, demand and international trade) in a unified framework by using a global multi-regional input-output analysis. The results reveal that China's direct water withdrawal by energy sectors (i.e., coal, oil, gas, petroleum and electricity) amounts to 117 billion m3 in 2011, of which foreign demand mainly from USA, EU28 and Japan drives one quarter. From energy demand side, only water roughly equivalent to one fifth of direct water withdrawal of energy sectors is embodied in China’s final demand of energy sectors, indicating that energy sectors transfer large amounts of water embodied in intermediate use to downstream sectors. Regarding water use embodied in China's energy trade, China mainly imports from XSU (Rest of Former Soviet Union), Russia and Korea, and exports to Vietnam, Singapore and XEA (Rest of East Asia). Although much of the discussion around China’s energy-water nexus is focused on local perspective, our findings highlight the importance to consider the impacts of China’s globalized energy supply chains on worldwide water use when formulating policy.

Keywords: Energy-water nexus; Global supply chains; International energy trade; China (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (13)

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DOI: 10.1016/j.apenergy.2019.113992

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