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Lookup NU author(s): Dr Hannah BloomfieldORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
The UK plans to significantly increase offshore wind generation capacity as part of the effort to achieve net zero targets. Current installation is densely located in a few areas, particularly off the east coast of England, and although current siting proposals include new offshore regions, significant volumes of wind generation capacity are yet to be located to meet 2050 installation targets. This paper uses a recent dataset of multi-decadal offshore wind power capacity factor timeseries to assess how UK offshore wind generation is likely to be affected by both the spatial distribution of future wind farms, and by the impacts of near-future (2020–2050) climate change. We determine that a wider geographic spread of offshore capacity results in a much-improved and less-variable UK-aggregated power generation profile, with substantial reductions in periods of low generation and extreme wind power ramping events, without negatively impacting mean or peak generation outputs. The impact of near-term climate change appears to be minor, slightly reducing overall generation and possibly resulting in an underestimation of future installation requirements, but this climate signal is outweighed by the effects of spatial distribution, and even more so by inherent hourly to inter-annual wind speed variability. This study implies that the intermittency of wind generation can be partly mitigated through increasing the spatial diversity of the existing wind farm distribution. Alongside a more in depth investigation of future climate change, and a holistic assessment of relevant geospatial factors such as Levelised Cost of Energy, infrastructure, and environmental constraints, this study could be used for optimisation of future offshore wind siting.
Author(s): Giddings J, Bloomfield HC, James R, Blair M
Publication type: Article
Publication status: Published
Journal: Environmental Research Letters
Year: 2024
Volume: 19
Online publication date: 20/05/2024
Acceptance date: 08/05/2024
Date deposited: 13/06/2024
ISSN (electronic): 1748-9326
Publisher: Institute of Physics Publishing Ltd
URL: https://doi.org/10.1088/1748-9326/ad489b
DOI: 10.1088/1748-9326/ad489b
Data Access Statement: The data that support the findings of this study are openly available at the following URL/DOI: https://doi.org/10.5194/essd-14-2749-2022.
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