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Lookup NU author(s): Edward Byers, Alex Leathard, David Alderson, Professor Jim Hall, Professor Jaime AmezagaORCiD, Professor Chris Kilsby
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
Trends in the locations and technologies of UK electricity generation plant suggest that demand for cooling water abstractions from rivers will decrease in the coming decades, unless there is widespread uptake of carbon dioxide capture and storage (CCS). CCS may prove to be essential if the UK is to achieve its carbon dioxide and greenhouse gas emission targets. ‘Decarbonisation’ strategies that rely on CCS are therefore potentially at risk of not having sufficient cooling water in periods of low river flows. In this paper, regional freshwater demands for cooling water are assessed against regional freshwater availability at low flows in a scenario of medium climate change. In the strategy with high CCS, demands for water greatly exceed current and future availability in the north-west (NW) England, Humber, East (E) Midlands and Thames regions. These risks can be mitigated by increasing the penetration of hybrid cooling systems or shifting generating capacity to estuaries or the coast. The former could reduce national water use by up to 35%, whereas applying the latter in the NW England, Humber and E Midlands regions offers nationwide reductions from 30 to 50%.
Author(s): Byers E, Qadrdan M, Leathard A, Alderson D, Hall JW, Amezaga JM, Tran M, Kilsby CG, Chaudry M
Publication type: Article
Publication status: Published
Journal: Proceedings of the ICE - Energy
Year: 2015
Volume: 168
Issue: 3
Pages: 188-204
Print publication date: 01/06/2015
Online publication date: 03/06/2015
Acceptance date: 09/02/2015
Date deposited: 11/06/2015
ISSN (print): 1751-4223
ISSN (electronic): 1751-4231
Publisher: Institute of Civil Engineers
URL: http://dx.doi.org/10.1680/ener.14.00028
DOI: 10.1680/ener.14.00028
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