Probabilistic forecasting of industrial electricity load with regime switching behavior

K. Berk, Alex Hoffmann () and Alfred Müller

International Journal of Forecasting, 2018, vol. 34, issue 2, 147-162

Abstract: This paper suggests a novel inhomogeneous Markov switching approach for the probabilistic forecasting of industrial companies’ electricity loads, for which the load switches at random times between production and standby regimes. The model that we propose describes the transitions between the regimes using a hidden Markov chain with time-varying transition probabilities that depend on calendar variables. We model the demand during the production regime using an autoregressive moving-average (ARMA) process with seasonal patterns, whereas we use a much simpler model for the standby regime in order to reduce the complexity. The maximum likelihood estimation of the parameters is implemented using a differential evolution algorithm. Using the continuous ranked probability score (CRPS) to evaluate the goodness-of-fit of our model for probabilistic forecasting, it is shown that this model often outperforms classical additive time series models, as well as homogeneous Markov switching models. We also propose a simple procedure for classifying load profiles into those with and without regime-switching behaviors.

Keywords: Electricity load forecasting; Probabilistic forecasting; Time series models; Seasonality; Inhomogeneous Markov switching model; Regime-switching models (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:intfor:v:34:y:2018:i:2:p:147-162

DOI: 10.1016/j.ijforecast.2017.09.006

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