ISFOC headquarters are located in Polígono Industrial "La Nava III" - C/ Francia 7 in Puertollano (in the province of Ciudad Real) where the offices, laboratories, warehouses, and the demonstration photovoltaic plant are located. ISFOC also has two more photovoltaic plants located in El Villar of Puertollano (a town of Puertollano) and in Almoguera (in the province of Guadalajara).