U.S. Battery Storage Capacity Grows 70% Annually Over the Past Three Years by Ryan Kennedy
National operational storage reached 52 GW in June 2026, with developers planning another 54 GW of capacity through 2028, according to the latest EIA data. Looking ahead, project developers report plans to bring another 54 GW of battery storage online over the next two and a half years. The planned pipeline includes 14 GW scheduled for the second half of 2026, 26 GW scheduled for 2027, and 14 GW scheduled for 2028. Total national operational storage capacity is expected to pass 105 GW by the end of 2028. Solar photovoltaic (PV) facilities host the largest battery storage units on the U.S. grid. Storage expansion is following solar additions regionally. U.S. battery storage capacity grows 70% annually over the past three years – pv magazine USA

