4.5 Article

Optimal Bidding Strategies for Wind Power Producers in the Day-ahead Electricity Market

期刊

ENERGIES
卷 5, 期 11, 页码 4804-4823

出版社

MDPI
DOI: 10.3390/en5114804

关键词

wind power; bidding; day-ahead electricity market; risk; chance-constrained programming; multi-objective optimization

资金

  1. National Natural Science Foundation of China [60974101, 60736027, 60921003]

向作者/读者索取更多资源

Wind Power Producers (WPPs) seek to maximize profit and minimize the imbalance costs when bidding into the day-ahead market, but uncertainties in the hourly available wind and forecasting errors make the bidding risky. This paper assumes that hourly wind power output given by the forecast follows a normal distribution, and proposes three different bidding strategies, i.e., the expected profit-maximization strategy (EPS), the chance-constrained programming-based strategy (CPS) and the multi-objective bidding strategy (ECPS). Analytical solutions under the three strategies are obtained. Comparisons among the three strategies are conducted on a hypothetical wind farm which follows the Spanish market rules. Results show that bid under the EPS is highly dependent on market clearing price, imbalance prices, and also the mean value and standard deviation of wind forecast, and that bid under the CPS is largely driven by risk parameters and the mean value and standard deviation of the wind forecast. The ECPS combining both EPS and CPS tends to choose a compromise bid. Furthermore, the ECPS can effectively control the tradeoff between expected profit and target profit for WPPs operating in volatile electricity markets.

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