Short-Term City Electric Load Forecasting with Considering Temperature Effects: An Improved ARIMAX Model

Herui Cui and Xu Peng

Mathematical Problems in Engineering, 2015, vol. 2015, 1-10

Abstract:

Short-term electric load is significantly affected by weather, especially the temperature effects in summer. External factors can result in mutation structures in load data. Under the influence of the external temperature factors, city electric load cannot be easily forecasted as usual. This research analyzes the relationship between electricity load and daily temperature in city. An improved ARIMAX model is proposed in this paper to deal with the mutation data structures. It is found that information amount of the improved ARIMAX model is smaller than that of the classic method and its relative error is less than AR, ARMA and Sigmoid-Function ANN models. The forecasting results are more accurately fitted. This improved model is highly valuable when dealing with mutation data structure in the field of load forecasting. And it is also an effective technique in forecasting electric load with temperature effects.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:589374

DOI: 10.1155/2015/589374

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