ENERGY STORAGE SYSTEM INTERWORKING WITH SOLAR POWER GENERATION SYSTEM AND ELECTRIC VEHICLE CHARGING SYSTEM AND METHOD FOR OPERATING SAME

Discussed is an energy storage system may that can include: a battery system including one or more batteries; a power conditioning device (PCS) configured to control power of the battery system; and a power management controller (PMS) configured to collect state information on one or more of the grid, the PV system, the EV charging system, the battery system, and the PCS, and to control powers of the PV system, the EV charging system, and the battery system based on the collected state information.