U.S. distributed solar generation quadruples over the last decade

U.S. distributed solar generation has quadrupled over the past ten years, according to data from the Energy Information Administration (EIA). Small-scale solar photovoltaic output grew from 18,812 GWh to 92,979 GWh during this period.

California remains the national leader, accounting for 37% of total rooftop solar output in 2025. Other significant contributors include Arizona, Texas, Florida, and New York. In Texas and Florida, annual small-scale generation saw substantial increases, rising from 391 GWh to 5,408 GWh and 205 GWh to 5,198 GWh, respectively, over the decade.

In New York, a $200 million solar package in the 2027 budget aims to expand renewable energy access. The New York State Energy Research and Development Agency plans to allocate approximately $116 million toward community and commercial solar projects, which could support 450 megawatts of capacity. The remaining $83 million is designated for midsize commercial, government, and multifamily sites, as well as on-site systems for low- and moderate-income homeowners.