Mercredi, 26 Février 2014 17:45 |
For the past eight years, PHOTON Laboratory has been monitoring solar modules on a shade-free area of land near the historic city of Aachen, Germany. Researchers measure the yield expressed in kilowatt- hours related to the power of the modules and consider solar radiation at the site. The average yield has increased 4.9% within the past three years and in 2013 set a new record: 91.5%...
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