The Andasol solar power station is a 150-megawatt concentrated solar power station and Europe's first commercial plant to use parabolic troughs. It is located near Guadix in Andalusia, Spain, and its name is a portmanteau of Andalusia and Sol . The Andasol plant uses tanks of molten salt as thermal energy storage to continue generating electricity, irrespective of whether the sun is shining or not.
Andasol is the first parabolic trough power plant in Europe, and Andasol 1 went online in March 2009. Because of the high altitude and the semi-arid climate, the site has exceptionally high annual direct insolation of 2,200 kWh/m² per year. Each plant has a gross electricity output of 50 megawatts , producing around 165 gigawatt-hours per year. The collectors installed have a combined surface area of 51 hectares ; it occupies about 200 ha of land.
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