Today we have held a meeting with experts in order to discuss the role of Public Regulation in the deployment of Renewable Energy, with auctions as a specific and relevant issue. The speakers have been Antonio Jiménez-Blanco (UPM), Pablo del Río (CSIC), Luis Arroyo Jiménez (Jean Monnet Chair at UCLM) and Miguel A. Tarancón (SeS at UCLM). The meeting has been moderated by María Jesús Ruiz Fuensanta (SeS at UCLM).