[Despite Policy Headwinds, the US Battery Market Will Still Grow] A US solar industry association predicts that the energy storage market will grow by 21% this year as demand for batteries outweighs policy headwinds. According to a report by the Solar Energy Industries Association and market research firm Benchmark Mineral Intelligence Ltd., battery deployments will increase to 70 gigawatt-hours (GWh) by 2026, up from 58 GWh in 2025. The report states that the market size is expected to exceed 110 GWh by 2030.