FERC States of the Markets 2021: battery storage nearly equalled gas capacity additions The Federal Energy Regulatory Commission recently released its State of the Markets 2021 report. Overall, battery energy storage additions in 2021 nearly equalled new natural gas capacity additions, the report said. Batteries were the fourth-largest category behind gas, wind and solar (in ascending order). Some 3.1GW of battery storage was added versus just 0.5GW during the same period last year. Unsurprisingly, California ISO (CAISO) is leading the way with battery storage now representing 3.2% of its 70GW generating capacity. It accounted for just under 60% of the…