Planta Solar 20 solar power tower
By kjfitz @ 2010-03-20 16:09:33
The Planta Solar 20 or PS20 solar power tower is a solar thermal energy plant in Sanlucar la Mayor near the southern Spanish city of Seville. It is the world's most powerful solar power tower. The 20 megawatt solar power tower produces electricity with large movable mirrors called heliostats.