ENERGY STORAGE SYSTEM FOR OPTIMAL OPERATION OF DEMAND RESPONSE RESOURCE, AND OPERATION METHOD THEREFOR

An energy storage system according to embodiments of the present invention may be configured in a demand response resource which is associated with a virtual power plant (VPP) system. The energy storage system may include: a power generation device for producing electric power; a battery for storing power; an energy management apparatus configured to monitor a power generation state and a power consumption state and to establish an operation schedule for the battery; and a power converter configured to control charging/discharging operation of the battery according to the established operation schedule.