Capacity value of offshore wind in Great Britain

The extent to which large volumes of offshore wind can contribute to a secure and reliable electricity supply is the subject of much debate. Central to providing credible answers is a detailed understanding of the wind resource and its variability in time and space. Here, a mesoscale atmospheric mod...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability Journal of risk and reliability, 2015-10, Vol.229 (5), p.360-372
Main Authors: Harrison, Gareth P, Hawkins, Samuel L, Eager, Dan, Cradden, Lucy C
Format: Article
Language:English
Subjects:
Atmospheric models
British
Computer simulation
Demand
Impact analysis
Mechanical engineering
Mesoscale convective complexes
Offshore
Offshore energy sources
Offshore engineering
Risk
Wind power
Wind power generation
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Summary:The extent to which large volumes of offshore wind can contribute to a secure and reliable electricity supply is the subject of much debate. Central to providing credible answers is a detailed understanding of the wind resource and its variability in time and space. Here, a mesoscale atmospheric model was employed to create a 10 year hindcast of British onshore and offshore wind speeds and simulate the output of a British offshore wind fleet. This enabled estimation of the capacity value of British wind fleets both on- and offshore during periods of high winter demand. It provides a credible estimate of the distinct long-term contribution of production from a future British offshore wind fleet and indicates substantial improvement over onshore wind. Furthermore, a first level analysis demonstrated that the availability of offshore wind farms had a modest negative impact on the capacity value of wind but that conventional generation and demand levels played a more significant role.
ISSN:1748-006X
1748-0078
DOI:10.1177/1748006X15591619