PV Power Stations
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Solar photovoltaic cells convert sunlight into electricity and many solar photovoltaic power stations have been built, mainly in Europe.Spain has two recently completed 20 megawatt MW photovoltaic (PV) power plants, one in Jumilla and the other in Beniexama. Another recently completed 14 MW plant is located at Nellis Air Force Base in the USA. Germany has a 12 MW plant in Arnstein, and a 10 MW photovoltaic system in Pocking, with a 40 MW power station planned for Muldentalkreis. Portugal has an 11 MW plant in Serpa and a 62 MW power station is planned for Moura. A photovoltaic power station proposed for Australia will use heliostat concentrator technology, should come into service in 2010, and is expected to have a capacity of 154 MW when it is completed in 2013.

Many of these plants are integrated with agriculture and some use innovative tracking systems that follow the sun's daily path across the sky to generate more electricity than conventional fixed-mounted systems. There are no fuel costs or emissions during operation of the power stations.