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Assessing impact of subjective demand beliefs on a dynamic duopoly electricity market game
Journal Contribution - Journal Article
In the context of liberalized markets, market outcomes generally result from the strategic interactions of all market players. Generation company (Genco), as the distributed players, build their subjective demand evaluations (SDFs) about market for optimal bidding purpose. Due to the differences in terms of data availability and modeling techniques, subjective demand models held by various Gencos are heterogeneous and normally deviate from the real market model as well. The picture of a real electricity market game in Genco's eye is 'playing is believing'. Therefore, a question naturally comes to the table: how those SDFs with the heterogeneous manner impact individual player's decision and game results. To answer this question, this paper relaxes a conventional assumption, commonly used in the classical oligopolistic equilibrium model, that one correct and uniform demand knowledge is shared by all Gencos. The results suggest that the system equilibriums would be influenced by the Gencos' knowledge about market demand. The economic value of demand information is assessed regarding the system performances. © 2014 Elsevier Ltd. All rights reserved.
Journal: International Journal of Electrical Power and Energy Systems
Pages: 182 - 189
Number of pages: 8
Keywords:Electrical & electronic engineering