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Performance evaluation of forecasting models based on time series and machine learning techniques: an application to light fuel consumption in Brazil

Lucas Rodrigues (Luiz de Queiroz College of Agriculture – ESALQ/USP, Piracicaba, Brazil)
Luciano Rodrigues (Master’s Program in Agribusiness – FGV/EESP, São Paulo, Brazil)
Mirian Rumenos Piedade Bacchi (Luiz de Queiroz College of Agriculture – ESALQ/USP, Piracicaba, Brazil)

International Journal of Energy Sector Management

ISSN: 1750-6220

Article publication date: 30 August 2021

Issue publication date: 11 May 2022

125

Abstract

Purpose

Fuel demand forecast is a fundamental tool to guide private planning actions and public policies aim to guarantee energy supply. This paper aims to evaluate different forecasting methods to project the consumption of light fuels in Brazil (fuel used by vehicles with internal combustion engine).

Design/methodology/approach

Eight different methods were implemented, besides of ensemble learning technics that combine the different models. The evaluation was carried out based on the forecast error for a forecast horizon of 3, 6 and 12 months.

Findings

The statistical tests performed indicated the superiority of the evaluated models compared to a naive forecasting method. As the forecast horizon increase, the heterogeneity between the accuracy of the models becomes evident and the classification by performance becomes easier. Furthermore, for 12 months forecast, it was found methods that outperform, with statistical significance, the SARIMA method, that is widely used. Even with an unprecedented event, such as the COVID-19 crisis, the results proved to be robust.

Practical implications

Some regulation instruments in Brazilian fuel market requires the forecast of light fuel consumption to better deal with supply and environment issues. In that context, the level of accuracy reached allows the use of these models as tools to assist public and private agents that operate in this market.

Originality/value

The study seeks to fill a gap in the literature on the Brazilian light fuel market. In addition, the methodological strategy adopted assesses projection models from different areas of knowledge using a robust evaluation procedure.

Keywords

Citation

Rodrigues, L., Rodrigues, L. and Bacchi, M.R.P. (2022), "Performance evaluation of forecasting models based on time series and machine learning techniques: an application to light fuel consumption in Brazil", International Journal of Energy Sector Management, Vol. 16 No. 4, pp. 636-658. https://doi.org/10.1108/IJESM-02-2021-0009

Publisher

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Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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