GENERATOR BIDDING STRATEGIES IN A COMPETITIVE ELECTRICITY MARKET WITH DERATING AND BID-SEGMENT CONSIDERATIONS

N. Lu,∗ J.H. Chow,∗∗ and A.A. Desrochers∗∗

Keywords

Electricity market deregulation, generator bidding strategies, max- imum profit bid curve, generator availability, generator derating, multiple-segment block bids

Abstract

This paper develops optimal generator bidding strategies in a competitive electricity market. Starting from a generator’s cost curve, basic bidding concepts such as the break-even bid curve and the maximum profit bid curve can be readily derived. The maximum profit bid curve can be extended to account for generator availability and derating. In addition, multiple-segment block energy bids can be optimized based on the maximum profit curve and the probabilistic distribution of market clearing prices.

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