This paper presents a multi-objective stochastic optimization model for finding the optimal hourly hydro scheduling and the reservoir operation of a set of cascaded plants belonging to the same hydro basin. Given the predominant role of hydro plants in the provision of ancillary services, the goal of the presented model is to obtain the operation that simultaneously maximizes the expected profit in both the day-ahead electricity market and the secondary regulation reserve market. Hydro systems are subject to many inter-temporal links, and it is necessary to take into account the guidelines and limits set by the water authorities (irrigation, ecological water flows, etc.). Therefore, in order to ensure a feasible solution, the objective function to be maximized is the sum of the electricity market profits minus the sum of a number of penalty terms that account for the deviations with respect the limits. The paper presents a study case for a realistic hydro system used to test the proposed formulation.
Director: Javier García González
Autor: Manuel Chazarra
Lugar: Aula de Seminarios

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