期刊
ENERGY
卷 31, 期 14, 页码 2839-2847出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2005.12.002
关键词
electricity demand; forecasting; grey system theory; the GM(1,1) model
Electricity demand forecasting plays an important role in electricity systems expansion planning. In this paper, we present a trigonometric grey prediction approach by combining the traditional grey model GM(1, 1) with the trigonometric residual modification technique for forecasting electricity demand. Our approach helps to improve the forecasting accuracy of the GM(1, 1) and allows a reasonable grey prediction interval to be obtained. Two case studies using the data of China are presented to demonstrate the effectiveness of our approach. (c) 2005 Elsevier Ltd. All rights reserved.
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