Artículo

Load forecasting for a campus university using ensemble methods based on regression trees

Journal ar
Energies
  • Volumen: 11
  • Número: 8
  • Fecha: 01 enero 2018
  • ISSN: 19961073
  • Tipo de fuente: Revista
  • DOI: 10.3390/en11082038
  • Tipo de documento: Artículo
  • Editorial: MDPI AG Postfach Basel CH-4005
© 2018 MDPI AG. All Rights Reserved. Load forecasting models are of great importance in Electricity Markets and a wide range of techniques have been developed according to the objective being pursued. The increase of smart meters in different sectors (residential, commercial, universities, etc.) allows accessing the electricity consumption nearly in real time and provides those customers with large datasets that contain valuable information. In this context, supervised machine learning methods play an essential role. The purpose of the present study is to evaluate the effectiveness of using ensemble methods based on regression trees in short-term load forecasting. To illustrate this task, four methods (bagging, random forest, conditional forest, and boosting) are applied to historical load data of a campus university in Cartagena (Spain). In addition to temperature, calendar variables as well as different types of special days are considered as predictors to improve the predictions. Finally, a real application to the Spanish Electricity Market is developed: 48-h-ahead predictions are used to evaluate the economical savings that the consumer (the campus university) can obtain through the participation as a direct market consumer instead of purchasing the electricity from a retailer.

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