photovoltaics

FILE - In this Thursday, Aug. 9, 2012 file photo, sunlight reflects off solar panels on the roof of the older part of the Alabama Power building in Birmingham, Ala. The fees imposed by the Alabama Power company on customers who generate their own electricity with rooftop or on-site solar panels are now the subject of a federal lawsuit against the state's regulators. Environmental groups argue that punishing fees are purposely discouraging the adoption of solar power in the sun-rich state. (Bernard Troncale/The Birmingham News via AP)

Energy Department issues plan to safely and affordably replace old solar panels

Solar panels have a life cycle. The billions of panels covering roofs and once-pristine landscapes and maybe even your office building will all need to…

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