Journal
SOLAR ENERGY
Volume 146, Issue -, Pages 141-149Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2017.02.007
Keywords
Photovoltaic systems; Power production forecast; Multilinear Adaptive Regression Splines; Numerical weather prediction
Categories
Funding
- European Union's Horizon 2020 research and innovation programme [646463]
- H2020 Societal Challenges Programme [646463] Funding Source: H2020 Societal Challenges Programme
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The development of accurate forecasting methods for renewable energy sources can act as an important tool to integrate renewable power systems in the electricity grid. This paper proposes a technique that can forecast the power production of a photovoltaic plant one day in advance. The procedure is based on a regression model that considers the weather forecasts of the US Global Forecasting Service (GFS) as inputs, and it is trained and tested on a year of power production data of a 1.3 MW plant located in Borkum, Germany. The Multilinear Adaptive Regression Splines method was used to automatically define a reasonably simple model for the system with regression coefficients that could be easily interpreted. The results indicated that the forecasted power obtained by the model exhibited a high correlation with the measured data and relatively low errors despite the limited number of features that were included in the model and a low number of training samples. (C) 2017 Elsevier Ltd. All rights reserved.
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