Solar Power Surpasses Coal in United States Electricity Generation
New data shows solar energy provided a larger share of the nation's power than coal for the first time in May 2026.


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Solar energy reached a significant milestone in the United States this May, providing more electricity to the national grid than coal for the first time. Data released by the global energy thinktank Ember indicates that solar power accounted for 12.8 percent of the country's electricity supply during the month. In comparison, coal generation fell to 12.2 percent, marking one of its lowest monthly shares on record. This shift highlights the ongoing transition in the American energy landscape as renewable sources continue to expand their reach.
The findings were corroborated by a joint report from the Solar Energy Industries Association and the analytics firm Wood Mackenzie. Nicolas Fulghum, a senior energy and data analyst at Ember, noted that solar power has been steadily rising in the national electricity mix for several years. He explained that coal generation hit an all-time monthly low in April and saw only a modest rebound in May, which allowed solar to overtake it. Experts anticipate that this trend will likely continue, with solar power expected to exceed coal generation in more months as the industry grows.
The transition occurs despite federal policy shifts that have sought to prioritize coal over clean energy alternatives. Electricity production involves converting various resources, including fossil fuels and renewable technologies, into usable power for homes and businesses. As solar infrastructure continues to be deployed across the country, it remains the leading source of new power capacity. The decline of coal reflects a broader move away from traditional fossil fuels in favor of cleaner, more sustainable energy options. Future reports will continue to monitor how these energy sources compete as the nation works toward its long-term power goals.
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