China Southern Power Grid (CSG) -- the second largest utility company in the world -- completed construction of China’s largest battery energy storage station (ESS) as well as the world’s first megawatt-level, grid-connected, environmentally-friendly, Iron-phosphate (Fe) battery storage station for commercial use, integrating BYD technology. Chinese CSG officials reported, “This Energy Storage Station is capable of charging or discharging over 12 Mega-Watt-hours or 3 Mega-Watts for 4 hours off of or onto the grid .

Lithium Iron Phosphate Battery