Renewable Energy Could Supply 99 Percent of U.S., Study Finds

A combination of solar power, wind, and currently available storage technologies could fill 99.9 percent of a large power grid's needs by 2030, according to a new study out of the University of Delaware and Delaware Technical Community College. The researchers found that a very large power grid could conceivably be run almost entirely on renewable energy, with fossil fuel backup for about a tenth of a percent of the power consumed in total.
A renewable grid by 2030? | Photo: Michael Kappel/Flickr/Creative Commons License


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