“A new report published by the National Renewable Energy Laboratory (NREL), the Renewable Electricity Futures Study (RE Futures), finds that the United States could achieve a very high level of renewable energy generation by 2050, using today’s commercially viable technologies.
At 80 percent penetration, though, renewable electricity sources will require a more flexible grid in order to meet demand on an hourly bases in all regions.
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NREL: U.S. Grid Could Be 80% Renewables By 2050 | American Solar Energy Society:
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