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Production Structure Optimization For The Bulgarian Power System

In supplement to [1] a modified model is described for bottom-up optimization of the production structure in an electric power system, which supplies nonelastic consumers. The objective function aims for minimization of supply costs, based on producer bids and subject to the constraints of active energy balance. The model is verified by a numerical example illustrating a study for the Bulgarian power system expansion. Analysis is performed and some important conclusions are drawn.