43 GW: Solar tops new US power for the 5th year in a row
March 12, 2026
The US installed 43 gigawatts (GW) of new solar capacity in 2025, marking the fifth straight year that solar has been the largest source of new power added to the grid.
According to the latest “US Solar Market Insight 2025 Year in Review” from the Solar Energy Industries Association (SEIA) and Wood Mackenzie, solar and energy storage together accounted for 79% of all new electricity…