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With rising electricity prices, traditional silicon-based solar photovoltaic panels are being used more widely. FedEx recently installed nearly 1 megawatt of local power generation at its Oakland, Calif., airport location.
PowerLight, which manufactures solar panels, is developing roofing tiles that can generate electricity. The company hopes to build partnerships with building companies.
Aided by government incentives, solar electricity in Germany is booming. This installation in the Bavarian town of Guenching is one of three sites that together have been dubbed the largest "solar park," capable of generating 10 megawatts.