Modeling low-carbon US electricity futures to explore impacts on national and regional water use

The US electricity sector is currently responsible for more than 40% of both energy-related carbon dioxide emissions and total freshwater withdrawals for power plant cooling (EIA 2012a Annual Energy Outlook 2012 (Washington, DC: US Department of Energy), Kenny et al 2009 Estimated Use of Water in th...

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Bibliographic Details
Published in:Environmental research letters 2013-01, Vol.8 (1), p.1-11
Main Authors: Clemmer, S, Rogers, J, Sattler, S, Macknick, J, Mai, T
Format: Article
Language:English
Subjects:
climate
Climate change
Decisions
Electricity
Electricity industry
Energy use
Geological surveys
Government agencies
modeling
Regional
water
Water use
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Summary:The US electricity sector is currently responsible for more than 40% of both energy-related carbon dioxide emissions and total freshwater withdrawals for power plant cooling (EIA 2012a Annual Energy Outlook 2012 (Washington, DC: US Department of Energy), Kenny et al 2009 Estimated Use of Water in the United States 2005 (US Geological Survey Circular vol 1344) (Reston, VA: US Geological Survey)). Changes in the future electricity generation mix in the United States will have important implications for water use, particularly given the changing water availability arising from competing demands and climate change and variability. However, most models that are used to make long-term projections of the electricity sector do not have sufficient regional detail for analyzing water-related impacts and informing important electricity- and water-related decisions. This paper uses the National Renewable Energy Laboratory's Regional Energy Deployment System (ReEDS) to model a range of low-carbon electricity futures nationally that are used to calculate changes in national water use (a sample result, on water consumption, is included here). The model also produces detailed sub-regional electricity results through 2050 that can be linked with basin-level water modeling. The results will allow for sufficient geographic resolution and detail to be relevant from a water management perspective.
ISSN:1748-9326
1748-9326
DOI:10.1088/1748-9326/8/1/015004