Daily marginal CO2Emissions eeductions from wind and solar generation

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Title: Daily marginal CO2Emissions eeductions from wind and solar generation
Authors: Jansen, M
Staffell, I
Green, R
Item Type: Conference Paper
Abstract: This paper estimates the half-hourly and daily CO 2 emissions from electricity generation in Britain, and the influence that wind and solar output has on these. Emissions are inferred from the output of individual plants and their expected efficiency, accounting for the penalty of part-loading thermal generators. Empirical Willans lines are created for typical coal, oil and combined-cycle gas generators from the US CEMS database, giving the first fully-empirical treatment of the British power system. We compare regressions of half-hourly and daily emissions to estimate the impact of plant start-ups, which may not occur in the specific hours when wind and solar output drops, and thus may be mis-identified in half-hourly regressions. Our preliminary findings show that dynamic plant efficiency may reduce the carbon savings from wind by 5-12% and for solar by 0-6%. The effect is strengthening with increasing penetration.
Issue Date: 24-Sep-2018
Date of Acceptance: 20-May-2018
URI: http://hdl.handle.net/10044/1/63482
DOI: https://dx.doi.org/10.1109/EEM.2018.8469873
ISSN: 2165-4093
Publisher: IEEE
Journal / Book Title: 2018 15th International Conference on the European Energy Market (EEM)
Copyright Statement: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Conference Name: 15th Conference on the European Energy Market (EEM)
Publication Status: Published
Start Date: 2018-06-27
Finish Date: 2018-06-29
Conference Place: Lodz, Poland
Appears in Collections:Centre for Environmental Policy
Faculty of Natural Sciences



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