U.S. battery storage capacity doubled in just 18 months — from 88 GWh to 165 GWh — as utilities and businesses lean on storage to cut costs and keep the lights on at peak demand.
Total U.S. battery storage capacity installed, actual vs. forecast
Source: SEIA & Benchmark Mineral Intelligence, U.S. Energy Storage Market Outlook Q3 2026, press release Sept. 1, 2026.