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Forecasting coal demand in key coal consuming industries based on the data-characteristic-driven decomposition ensemble model

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  • Wang, Delu
  • Tian, Cuicui
  • Mao, Jinqi
  • Chen, Fan

Abstract

Accurately predicting the coal demand in China's key coal-consuming industries is crucial for coal exit path planning. This paper selects the chemical, building materials, steel and thermal power industries as research objects, organically integrates data-characteristic-driven and decomposition-ensemble ideas to construct combination forecasting models for coal demand in each industry, and empirically analyzes the influencing factors and evolutionary trends of coal demand in these industries. The results show that: First, the prediction accuracy and stability of models constructed in this paper based on data characteristics are significantly superior to other traditional combination models and single models. Second, the coal demand of all four industries is influenced by industrial policies and economic fluctuations, additionally, that of thermal power industry is increasingly influenced by energy-saving and emission reduction policies. Third, during 2021–2025, the overall coal demand in four industries will fall and then rise, reaching 2.88 billion tons by 2025; different industries will exhibit significant heterogeneity in coal demand trends, among which coal demand of thermal power industry will decrease and then rise, that of building materials industry will remain stable, while that of chemical and steel industries will show a fluctuating downward trend and the speed of decline: steel > chemical.

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  • Wang, Delu & Tian, Cuicui & Mao, Jinqi & Chen, Fan, 2023. "Forecasting coal demand in key coal consuming industries based on the data-characteristic-driven decomposition ensemble model," Energy, Elsevier, vol. 282(C).
    • Handle: RePEc:eee:energy:v:282:y:2023:i:c:s0360544223022351
    DOI: 10.1016/j.energy.2023.128841
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