Timothy R. Cargan
Local-global methods for generalised solar irradiance forecasting
Cargan, Timothy R.; Landa-Silva, Dario; Triguero, Isaac
Authors
Professor DARIO LANDA SILVA DARIO.LANDASILVA@NOTTINGHAM.AC.UK
PROFESSOR OF COMPUTATIONAL OPTIMISATION
Dr ISAAC TRIGUERO VELAZQUEZ I.TrigueroVelazquez@nottingham.ac.uk
ASSOCIATE PROFESSOR
Abstract
For efficient operation, solar power operators often require generation forecasts for multiple sites with varying data availability. Many proposed methods for forecasting solar irradiance / solar power production formulate the problem as a time-series, using current observations to generate forecasts. This necessitates a real-time data stream and enough historical observations at every location for these methods to be deployed. In this paper, we propose the use of Global methods to train generalised models. Using data from 20 locations distributed throughout the UK, we show that it is possible to learn models without access to data for all locations, enabling them to generate forecasts for unseen locations. We show a single Global model trained on multiple locations can produce more consistent and accurate results across locations. Furthermore, by leveraging weather observations and measurements from other locations we show it is possible to create models capable of accurately forecasting irradiance at locations without any real-time data. We apply our approaches to both classical and state-of-the-art Machine Learning methods, including a Transformer architecture. We compare models using satellite imagery or point observations (temperature, pressure, etc.) as weather data. These methods could facilitate planning and optimisation for both newly deployed solar farms and domestic installations from the moment they come online.
Citation
Cargan, T. R., Landa-Silva, D., & Triguero, I. (2024). Local-global methods for generalised solar irradiance forecasting. Applied Intelligence, 54(2), 2225-2247. https://doi.org/10.1007/s10489-024-05273-9
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 3, 2024 |
Online Publication Date | Feb 1, 2024 |
Publication Date | 2024 |
Deposit Date | Jan 25, 2024 |
Publicly Available Date | Feb 2, 2025 |
Journal | Applied Intelligence |
Print ISSN | 0924-669X |
Electronic ISSN | 1573-7497 |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
Volume | 54 |
Issue | 2 |
Pages | 2225-2247 |
DOI | https://doi.org/10.1007/s10489-024-05273-9 |
Keywords | Deep Learning; Time series forecast; Solar irradiance forecast; Generalised Model; Local-Global |
Public URL | https://nottingham-repository.worktribe.com/output/30147229 |
Publisher URL | https://link.springer.com/article/10.1007/s10489-024-05273-9 |
Additional Information | Accepted: 3 January 2024; First Online: 1 February 2024; : ; : The authors have no competing interests to declare that are relevant to the content of this article. |
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s10489-024-05273-9
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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