ENERGY STORAGE SYSTEM

An energy storage system including: a plurality of enclosures, each of the enclosures being configured to accommodate a battery rack; and a plurality of fire extinguishing devices respectively corresponding to the enclosures. Each of the fire extinguishing devices includes a fire extinguishing pipe extending around an upper edge of a corresponding one of the enclosures, and each of the fire extinguishing pipes includes a plurality of fire extinguishing nozzles spaced apart from each other. The fire extinguishing pipe are configured to spray cooling water onto an outer surface of the corresponding one of the enclosures through the fire extinguishing nozzles.