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Supersized solar on the rise
Jun 16, 2008
Another way to make heat and electricity is with a Fresnel lens, which was originally developed for lighthouses. For solar power plants, the lenses focus light on a tube carrying liquid that gets converted into steam.
Ausra, originally from Australia, has signed on with Pacific Gas & Electric to build a solar plant in California. Its design uses less steel than traditional CSP plants and keeps costs down by using standard architectural glass, the company says.
Credit: Ausra
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