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Preprints, Working Papers, ... Year : 2021

Short-term electricity price forecastingmodels comparative analysis : Machine Learning vs. Econometrics

Abstract

This paper gives an overview of several models applied to forecast the day-ahead prices of the German electricity market between 2014 and 2015 using hourly wind and solar productions as well as load. Four econometric models were built: SARIMA, SARIMAX, Holt-Winters and Monte Carlo Markov Chain Switching Regimes. Two machine learning approaches were also studied: a Gaussian mixture classification coupled with a random forest and finally, an LSTM algorithm. The best performances were obtained using the SARIMAX and LSTM models. The SARIMAX model makes good predictions and has the advantage through its explanatory variables to better capture the price volatility. The addition of other explanatory variables could improve the prediction of the models presented. The RF exhibits good results and allows to build a confidence interval. The LSTM model provides excellent results, but the precise understanding of the functioning of this model is much more complex.
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Dates and versions

hal-03262208 , version 1 (16-06-2021)

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  • HAL Id : hal-03262208 , version 1

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Antoine Ferré, Guillaume de Certaines, Jérôme Cazelles, Tancrède Cohet, Arash Farnoosh, et al.. Short-term electricity price forecastingmodels comparative analysis : Machine Learning vs. Econometrics: Cahiers de l’Economie, Série Recherche, n° 143. 2021. ⟨hal-03262208⟩

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