Report: Rooftop solar already cheaper than utility rates in most major cities

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Customers in 42 of the nation’s 50 largest cities — including Charlotte and Raleigh — would save money by installing rooftop solar instead of buying all their power from local utilities, says the N.C. Clean Energy Technology Center. Going Solar in America,*a 27-page report by the center based at N.C. State University, argues the perception...

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