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Ingeniería e Investigación

Print version ISSN 0120-5609


GALLEGO VEGA, Luis Eduardo  and  DUARTE VELASCO, Oscar Germán. The effect of electric transmission constraints on how power generation companies bid in the Colombian electrical power market . Ing. Investig. [online]. 2010, vol.30, n.2, pp.62-77. ISSN 0120-5609.

This paper presents the results of research about the effect of transmission constraints on both expected electrical energy to be dispatched and power generation companies ' bidding strategies in the Colombian electrical power market. The proposed model simulates the national transmission grid and economic dispatch by means of optimal power flows. The proposed methodology allows structural problems in the power market to be analysed due to the exclusive effect of transmission constraints and the mixed effect of bidding strategies and transmission networks. A new set of variables is proposed for quantifying the impact of each generation company on system operating costs and the change in expected dispatched energy. A correlation analysis of these new variables is presented, revealing some interesting linearities in some generation companies' bidding patterns.

Keywords : electrical constraint; bidding price; optimal power flow; bidding strategy; power market.

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