In April, solar energy provided over 10% of the total electricity generation in the United States, reaffirming that solar continues to be the fastest-growing source of power in the country.
Wind and solar produced nearly one-quarter, and all renewable energy combined generated almost a third of the nation’s total electricity, according to data recently released by the U.S. Energy Information Administration (EIA).
According to Electrek, EIA’s latest monthly “Electric Power Monthly” report was reviewed by the SUN DAY Campaign.
Electrical generation by utility-scale solar increased by 39.3% while “estimated” small-scale solar PV increased by 11.8% in April alone. Together, they grew by 31.3% and contributed 10.7% to the United States’ electrical output.
Utility-scale solar thermal and PV expanded by 42.4% and small-scale systems rose by 11.4% during the first third of 2025, compared to the same time last year. The combination of utility-scale and small-scale solar grew by 32.9% and was almost 7.7% of total U.S. electrical generation for January-April, a 6.1% increase from the same period of time in 2024.
Solar power surpassed hydropower output, at 6.0%, and is now producing more electricity than hydropower, biomass, and geothermal combined.
“Solar is now the fastest-growing major source of electricity and is generating more than hydropower, biomass, and geothermal combined, while wind plus solar provides more electricity than either coal or nuclear power, and the mix of all renewables is nearly matching the output of natural gas,” said Ken Bossong, executive director of the SUN DAY Campaign.
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