Falling solar-panel prices, generous government subsidies and rising power costs are creating a new breed of solar enthusiasts: people who are installing solar panels on their roof because they see it as a good investment, not because they are out to save the world.

That’s the case with Dave Shiels and his wife Kathleen Kiely. With his Harley and her Cadillac and their sprawling ranch house, they aren’t central casting’s version of environmentalists, but they are the kind of people who must embrace solar if it’s going to take off in the U.S.

Rebates and credits are the main reason Mr. Shiels and Ms. Kiely have 72 solar panels on their red-tile roof and are considering installing another 20 later this year. For 11 months of the year, their meter spins backwards. Only in Arizona’s August heat do they typically use more electricity than they generate, and even then credits they have banked during cooler months mean they won’t have to pay to keep their house cool as desert temperatures outside hit 110 degrees.

source: online.wsj

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