Top Reasons to ♥ Solar Energy | Department of Energy
Solar is an economic engine—about 250,000 people work in the U.S. solar industry these days and there are more than 10,000 solar businesses around the country. Solar costs have fallen dramatically. The cost of an average-size residential solar energy system decreased 55% between 2010 and 2018, from $40,000 to $18,000—and …
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