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Photovoltaic | by Schwarzerkater
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This is an 8.5 kWp photovoltaic (solar energy) power plant, situated on the B31 in Freiburg, Germany. It is shown facing east, the camera pointing southwest.


It has two axes (can turn and tilt) and follows the sun - not by measuring the sun's position through a light-intensity meter but by following a preset path, changing each day of the year based on longitude and the astronomical cycle.


This power station was manaufactured and installed by Solon AG (Germany), was commissioned and is operated by SAG AG (Germany). As in all photovoltaic systems, it converts some of the energy carried by photons into a direct electrical current. This system then uses an inverter to change the direct current into alternating current before feeding that power into the electricity grid.


Price: approx. USD $60K, EUR € 45K

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Taken on May 23, 2006