Erika Schweickert of Capital City Solar in Rocklin, Calif., has seen a surge the past couple of years in customers interested in investing in solar energy systems for their homes. They're not investing thousands of dollars into solar systems because it's chic to be green; they're doing it because it makes good financial sense. A solar energy system can significantly reduce - and in some cases eliminate - your monthly electric bills. Photovoltaic, or PV, solar systems, work by converting sunlight that hits solar panels on the roof directly into electricity through an inverter attached to the house. "Some people do it to be green, but 90 percent of our customers are doing it because of the...
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