Solar supplied 12.8% of US electricity in May even as Trump boosts coal over clean energy

Even as Donald Trump boosts coal over clean energy, solar power is hitting new milestones in the US and remains the leading source of new power.

Data released on Wednesday by the global energy thinktank Ember, along with a report by the Solar Energy Industries Association (Seia) and analytics firm Wood Mackenzie, show the continued growth of solar and decline of coal in the United States despite federal policy. In May, for the first time, solar supplied more of the nation’s electricity than coal, or 12.8%, Ember said. Coal supplied 12.2%, its fourth-lowest monthly share ever.

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© Photograph: Angela Piazza/The Dallas Morning News via Getty Images

© Photograph: Angela Piazza/The Dallas Morning News via Getty Images

© Photograph: Angela Piazza/The Dallas Morning News via Getty Images

As the midterm elections approach, many leading Democrats are rethinking their approach to climate change.

As the midterm elections approach, many leading Democrats are rethinking their approach to climate change.

© Anna Moneymaker/Getty Images

An anonymous reader quotes a report from Electrek: Solar generated more U.S. electricity than coal for the first month on record in May 2026, according to new analysis from global energy think tank Ember. Solar supplied 12.8% of U.S. electricity during the month, while coal dropped to 12.2%. That's a dramatic shift in the U.S. power mix. Just five years ago, coal generated 19.7% of U.S. electricity in May, while solar accounted for only 5.4%. U.S. solar generation hit a record 45.5 terawatt-hours (TWh) in May 2026, up 17% from May 2025 and higher than the previous record set last July. Ember says another record could be broken again this summer. Solar output usually peaks in June or July, but its share of the electricity mix is often highest in spring, when strong sunshine lines up with milder temperatures before summer cooling demand ramps up. May was also the first time solar became the third-largest individual source of electricity in the U.S., behind only natural gas and nuclear. (If solar is included with all other renewables, then they're the second-largest source of electricity as an overall category of electricity.) Meanwhile, coal keeps sliding (and will continue to slide). Coal generation hit an all-time monthly low of 39.3 TWh in April 2026. Output rose slightly in May to 43.4 TWh, but it was still 11% lower than May 2025 levels. Even with that small rebound, coal couldn't keep pace with solar's rapid growth.

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