@Sierra_Club tweets related to: Clean Energy, Power, Grid, Costs

8:51 a.m., Dec. 10, 2012--Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware Technical Community College.
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Clean energy could fully power an electric grid 99% of the time by 2030 at costs close to today's: http://t.co/weh38sdO (@UDelaware)

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