The US installed 7.8 GWdc of new solar capacity in the first quarter of 2026, marking a decline of 27% from the same period a year earlier and 42% from the previous quarter, according to the latest solar market report by the Solar Energy Industries Association (SEIA) and Wood Mackenzie.

Support CleanTechnica's work through a Substack subscription or on Stripe. U.S. Exceeds 6 Million Solar Installations Nationwide WASHINGTON, D.C. — The United States added 7.8…

Solar and storage accounted for 91% of new US power capacity added in Q1 2026, as electricity demand and AI growth surged.