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Electricity Demand Forecasting Using a Novel Time Series Ensemble Technique
Author(s)
Iftikhar, Hasnain
Quaid-i-Azam University
Mancha Gonzales, Salvatore
Zywiołek, Justyna
Częstochowa University of Technology
Date Issued
1 de enero de 2024
Type
Article
Volume
12
Series/Report No.
IEEE Access
Start Page
88963
End Page
88975
ISSN
2169-3536
Abstract
Accurate and efficient demand forecasting is essential to grid stability, supply, and management in today’s electricity markets. Due to the complex pattern of electric power demand time series, it is challenging to model them directly. Therefore, this research proposes a novel time series ensemble approach to forecast electric power demand in the Peruvian electricity market one month ahead. This approach treats the first preprocessed electricity demand time series for missing values, variance stabilization, normalization, stationarity, and seasonality issues. Secondly, six single time series and three of their proposed ensemble models forecast the clean demand time series. The results indicate that the proposed time ensemble approach is an efficient and precise one-month-ahead forecast for electricity demand in the Peruvian electricity market. Additionally, the final best ensemble forecasting model within the proposed ensemble time series forecasting approach obtained the smallest average accuracy errors, performing statistically significantly better than those mentioned in the best-proposed models in the literature. Lastly, while numerous global studies have been conducted from various perspectives, no analysis has been undertaken using an ensemble learning approach to forecast electric power demand in the Peruvian electricity market.