Eduardo García-Garrido received the electrical engineering degree from the Universidad de Zaragoza, Spain, in 1996. He is currently pursuing the Ph.D. degree at the Universidad de La Rioja, Logroño, Spain. His current interest is distributed generation and planning of power systems. L. Alfredo Fernández-Jiménez received the electrical engineering degree from the Universidad de Zaragoza, Spain, in 1992. He is currently pursuing the Ph.D. degree at the Universidad de La Rioja, Logroño, Spain. His current interest is wind energy, load forecasting and planning of power systems.