Forecasting day-ahead price spikes for the Ontario electricity market

被引:50
作者
Sandhu, Harmanjot Singh [1 ]
Fang, Liping [1 ]
Guan, Ling [2 ]
机构
[1] Ryerson Univ, Dept Mech & Ind Engn, 350 Victoria St, Toronto, ON, Canada
[2] Ryerson Univ, Dept Elect & Comp Engn, 350 Victoria St, Toronto, ON, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Spike forecasting; Price forecasting; Electricity prices; Neural networks; Data mining; CONFIDENCE-INTERVAL ESTIMATION; NEURAL-NETWORK; PREDICTION; MACHINE; MODEL;
D O I
10.1016/j.epsr.2016.08.005
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel methodology based on neural networks is presented to forecast day-ahead electricity spikes and prices. Day-ahead electricity prices are forecasted by the first neural network trained using a data set consisting of similar price days. Next, spike prices are identified from the forecasted prices using a spike classifier, and these spikes are re-forecasted by using neural networks trained over historical spike hours. Finally, a data re-constructor is used to achieve the overall day-ahead electricity spike and price forecasting. Numerical experiments are conducted using data from the wholesale electricity market of Ontario, Canada, and significant improvements are achieved in terms of forecasting accuracy. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:450 / 459
页数:10
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