The percentage of coal-fired generation in the U.S. electricity mix will continue to decline, the Energy Information Administration (EIA) said May 9, with gas-fired generation accounting for at least 40% of the nation’s power this summer and output from renewables continuing to rise.

EIA’s latest Short-Term Energy Outlook (STEO) said coal-fired units will produce only about 25% of the nation’s electricity this summer, as renewables including solar, wind, and hydropower take more market share. EIA said renewables will supply nearly a quarter of the power needed in Western states this summer.

The agency said nuclear power, which supplies about 19% of the nation’s electricity, will continue at that level at least through 2020. EIA forecasts that renewables will produce about 18% of U.S. power this year, rising to about 20% next year. The agency said it expects wind generation will surpass hydropower output this year for the first time, taking over the top spot for renewables.

The EIA report comes two weeks after the Institute for Energy Economics and Financial Analysis (IEEFA) reported that data shows renewable energy—including hydro, biomass, wind, solar, and geothermal—in April for the first time generated more electricity in the U.S.…

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