Authors: P. Mateo, C. Azcárate, F. Mallor
The possibility of renewable energy systems to store energy facilitates their participation in the electricity market as well as to control the forecast errors in the renewable source and then to increase the reliability of the system as provider of energy. This paper optimizes the management of this energy system considering simultaneously both goals, an economic goal and a reliability goal. Policies to provide the electricity dispatch schedule for the day ahead (tactical decisions) and to control the energy storage each hour (operational decisions) are obtained from a sequence of mathematical problems. A simulation model is developed to assess the performance of these policies in a stochastic framework that considers the variability and uncertainty in the renewable source.