U.S. Residential Solar Battery Attachment Hits 37% in 2025
Battery storage is pairing with more than one in three new U.S. home solar systems, a sharp rise driven by California policy and spreading nationally.

Battery storage attachment rates for new U.S. residential solar installations jumped to 37% in 2025, up from 25% in 2024, according to data published by Lawrence Berkeley National Laboratory (LBNL). T...