Market Power Analysis - Strategic Coalition Impact on Market Power

M.J.D. Gonçalves, and Z.A. Vale (Portugal)


Electricity market, market concentration, market power, SIC, congestion.


The restructuring of Electric Power System Worldwide has brought the issue of Market Competition. Price fall and technological innovation are some of the new goals in this new reality. This paper describes market impact due to strategic coalition of different Electric Power Market agents. The possibility of a small number of generators exercise Market Power is presented. A algorithm for detecting two agents coalition affecting the accessibility of the other to a specific market is discussed.

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