Even as President Donald Trump boosts coal over clean energy, solar power is hitting new milestones in the U.S. and remains the leading source of new power.Data released Wednesday by global energy think tank Ember, along with a report by the Solar Energy Industries Association 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.“For years solar power has risen in the U.S. electricity mix,” said Nicolas Fulghum, senior energy and data analyst at Ember. “At the same time, coal power has lost its status, first as the largest source in the U.S. mix, and then gradually over the years has fallen even further.”

Solar also became the third-largest source of electricity in the U.S. in May, behind natural gas and nuclear, Fulghum said. Coal generation hit an all-time monthly low in April and rebounded only modestly in May, allowing increasing solar generation to overtake coal, he added.

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