Saturday, September 5, 2009


This article is about generation of electricity using solar energy. For other uses of solar energy, see Solar energy.
Solar power is by far the Earth's most available energy source, easily capable of providing many times the total current energy demand. The largest solar power plants, like the 354 MW SEGS, are concentrating solar thermal plants, but recently multi-megawatt photovoltaic plants have been built. Completed in 2008, the 46 MW Moura photovoltaic power station in Portugal and the 40 MW Waldpolenz Solar Park in Germany are characteristic of the trend toward larger photovoltaic power stations. Much larger ones are proposed, such as the 550 MW Topaz Solar Farm, and the 600 MW Rancho Cielo Solar Farm. Covering 4% of the world's desert area with photovoltaics could supply all of the world's electricity. The Gobi Desert alone could supply almost all of the world's total energy demand

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