Comparative Study of Photovoltaic Power Forecasting Methods

  • Angelo Pelisson Universidade Federal de Santa Catarina
  • Thiago Covoes UFABC
  • Anderson Spengler Universidade Federal de Santa Catarina
  • Pablo Jaskowiak Universidade Federal de Santa Catarina


Electricity consumption is growing rapidly worldwide. Renewable energy resources, such as solar energy, play a crucial role in this scenario, contributing to satisfy demand sustainability. Although the share of Photovoltaic (PV) power generation has increased in the past years, PV systems are quite sensitive to climatic and meteorological conditions, leading to undesirable power production variability. In order to improve energy grid stability, reliability, and management, accurate forecasting models that relate operational conditions to power output are needed. In this work we evaluate the performance of regression methods applied to forecast short term (next day) energy production of a PV Plant. Specifically, we consider five regression methods and different configurations of feature sets. Our results suggest that MLP and SVR provide the best forecasting results, in general. Also, although features based on different solar irradiance levels play a key role in predicting power generation, the use of additional features can improve prediction results.

Palavras-chave: PV Power Forecasting, Photovoltaic Systems, Regression


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PELISSON, Angelo; COVOES, Thiago; SPENGLER, Anderson; JASKOWIAK, Pablo. Comparative Study of Photovoltaic Power Forecasting Methods. In: ENCONTRO NACIONAL DE INTELIGÊNCIA ARTIFICIAL E COMPUTACIONAL (ENIAC), 17. , 2020, Evento Online. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2020 . p. 555-566. DOI: