Renewables increased their output by almost 10% and provided nearly a quarter of US electrical generation in 2024, according to newly released US Energy Information Administration (EIA) data.
Solar was still No 1
Solar remained the US’s fastest-growing source of electricity in 2024. Utility-scale and “estimated” small-scale (e.g., rooftop) solar combined increased by 26.9% in 2024 compared to the same period in 2023, according to the SUN DAY Campaign, which reviewed EIA’s “Electric Power Monthly” report data.
Utility-scale solar thermal and photovoltaic expanded by 32%, while small-scale solar increased by 15.3%. Together, solar was nearly 7% (6.91%) of total US electrical generation for the year.
In December alone, electrical generation by utility-scale solar expanded by 42% compared to December 2023.
Small-scale solar (systems <1 MW) accounted for 27.9% of all solar generation and provided 1.9% of the US electricity supply in 2024. In fact, small-scale solar PV generates over five times more electricity than utility-scale geothermal.
2024 renewables milestones
The electrical output of US wind farms in 2024 grew by 7.7% year-over-year. Wind remains the largest source of electrical generation among renewable energy sources, accounting for 10.3% of the US total.
Wind and solar combined provided more than 17.2% of US electrical generation during 2024. The mix of all renewables – wind, solar, hydropower, biomass, geothermal – provided 24.2% of total US electricity production in 2024 compared to 23.2% of electrical output a year earlier.
Between January and December, electrical generation by renewables grew by 9.6% compared to the same period the year before – nearly three times the growth rate of natural gas (3.3%) and over 10 times that of nuclear power (0.9%).
In December alone, electrical generation by renewables grew by 10.1% compared to December 2023.
Wind and solar together produced 15.9% more electricity than coal and came close to matching nuclear power’s share of total generation (17.2% vs. 17.8%).
The mix of renewables reinforced their position as the second largest source of electrical generation, behind only natural gas.
“Renewable energy sources now provide a quarter of the nation’s electricity,” said the SUN DAY Campaign’s executive director, Ken Bossong. “Consequently, the rash efforts of the Trump Administration to undermine wind, solar, and other renewables will have serious negative consequences for the nation’s electricity supply and the economy.”
Read more: Renewables provided 90% of new US capacity in 2024 – FERC
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