FUZZY APPROACH TO OPTIMAL GENERATION SCHEDULING FOR GenCos IN COMPETITIVE ELECTRICITY MARKETS

A.F. Al-Ajlouni, H.Y. Yamin, W. Qassem, and S.M. Shahidehpour

Keywords

Electricity markets, generation scheduling, GenCo, fuzzy logic

Abstract

This paper presents different fuzzy membership functions for maximizing the GenCo’s profit in competitive electricity markets. Rectangular, triangular and trapezoidal fuzzy membership functions are assigned for market prices and probability that reserves are called and generated. The proposed fuzzy membership functions produce an optimal profit fuzzy function that reflects the market uncertainties and helps in decision making. Transmission congestion is incorporated through locational marginal prices in the proposed formulation. IEEE 118-bus system is used to demonstrate the superiority of the proposed approach.

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