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Inicio  /  Forecasting  /  Vol: 6 Par: 1 (2024)  /  Artículo
ARTÍCULO
TITULO

Forecasting the Occurrence of Electricity Price Spikes: A Statistical-Economic Investigation Study

Manuel Zamudio López    
Hamidreza Zareipour and Mike Quashie    

Resumen

This research proposes an investigative experiment employing binary classification for short-term electricity price spike forecasting. Numerical definitions for price spikes are derived from economic and statistical thresholds. The predictive task employs two tree-based machine learning classifiers and a deterministic point forecaster; a statistical regression model. Hyperparameters for the tree-based classifiers are optimized for statistical performance based on recall, precision, and F1-score. The deterministic forecaster is adapted from the literature on electricity price forecasting for the classification task. Additionally, one tree-based model prioritizes interpretability, generating decision rules that are subsequently utilized to produce price spike forecasts. For all models, we evaluate the final statistical and economic predictive performance. The interpretable model is analyzed for the trade-off between performance and interpretability. Numerical results highlight the significance of complementing statistical performance with economic assessment in electricity price spike forecasting. All experiments utilize data from Alberta?s electricity market.

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