气候变化领域集成服务门户(CCPortal): A regional assessment of the water embedded in the US electricity system

CCPortal

DOI	10.1088/1748-9326/ab2daa
	A regional assessment of the water embedded in the US electricity system
	Peer R.A.M.; Grubert E.; Sanders K.T.
发表日期	2019
ISSN	17489318
卷号	14 期号:8
英文摘要	Water consumption from electricity systems can be large, and it varies greatly by region. As electricity systems change, understanding the implications for water demand is important, given differential water availability. This letter presents regional water consumption and consumptive intensities for the United States electric grid by region using a 2014 base year, based on the 26 regions in the Environmental Protection Agency's Emissions & Generation Resource Integrated Database. Estimates encompass operational (i.e. not embodied in fixed assets) water consumption from fuel extraction through conversion, calculated as the sum of induced water consumption for processes upstream of the point of generation (PoG) and water consumed at the PoG. Absolute water consumption and consumptive intensity is driven by thermal power plant cooling requirements. Regional consumption intensities vary by roughly a factor of 20. This variability is largely attributed to water consumption upstream of the PoG, particularly evaporation from reservoirs associated with hydroelectricity. Solar and wind generation, which are expected to continue to grow rapidly, consume very little water and could drive lower water consumption over time. As the electricity grid continues to change in response to policy, economic, and climatic drivers, understanding potential impacts on local water resources can inform changes. © 2019 The Author(s). Published by IOP Publishing Ltd.
英文关键词	energy-water nexus; regionalization; water consumption
语种	英语
scopus关键词	Electric power system interconnection; Electric power transmission networks; Environmental Protection Agency; Reservoirs (water); Thermoelectric power plants; Cooling requirements; energy-water nexus; Environmental Protection Agency's; Generation resources; Integrated database; regionalization; Thermal power plants; Water consumption; Water resources; assessment method; electricity; power plant; thermal power; water availability; water demand; water resource; United States
来源期刊	Environmental Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/154466
作者单位	Sonny Astani Department of Civil and Environmental Engineering, University of Southern California, Los Angeles, CA 90089, United States; School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332, United States
推荐引用方式 GB/T 7714	Peer R.A.M.,Grubert E.,Sanders K.T.. A regional assessment of the water embedded in the US electricity system[J],2019,14(8).
APA	Peer R.A.M.,Grubert E.,&Sanders K.T..(2019).A regional assessment of the water embedded in the US electricity system.Environmental Research Letters,14(8).
MLA	Peer R.A.M.,et al."A regional assessment of the water embedded in the US electricity system".Environmental Research Letters 14.8(2019).