The purpose is the contracting of the supply of equipment, assembly and commissioning, as well as the necessary engineering for the implementation, of an energy storage facility using sodium-sulfur batteries of at least 1 MW of power and, at least, 5.8 MWh of energy for the technology development center of the Ciudad de la Energía Foundation-CIUDEN, F.S.P. in Cubillos del Sil (León).

The purpose is the contracting of the supply of equipment, assembly and commissioning, as well as the necessary engineering for the implementation, of an energy storage facility using sodium-sulfur batteries of at least 1 MW of power and, at least, 5.8 MWh of energy for the technology development center of the Ciudad de la Energía Foundation-CIUDEN, F.S.P. in Cubillos del Sil (León).