Solar Tops Coal in U.S. Power Mix for the First Month Ever

Solar power held a record-high 12. 8% share of U. S. electricity supply in May, overtaking coal-generated power for the first full month on record, energy think tank Ember said in a report on Wednesday.

While the share of solar-generated power jumped to a record high for a full month, the share of coal in the U. S. electricity mix slumped to 12. 2% last month, the fourth-lowest monthly share of coal ever. Solar generated an all-time high total of 45.