05 Aug '11, 11am

When Picking Solar Power Options, It’s the Water, Stupid

When Picking Solar Power Options, It’s the Water, Stupid

Concentrating solar thermal power uses big mirrors to focus sunlight and make electricity. Think: kids with magnifying glasses, but making power instead of frying ants. The focused sunlight makes heat, the heat makes steam, and the steam powers a turbine to make electricity. In “wet-cooled” concentrating solar power plants, more water is used to make power than in any other kind of power plant . The following chart illustrates the amount of water used to produce power from various technologies.

Full article: http://cleantechnica.com/2011/08/05/when-picking-solar-po...

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