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Thanks for these answers ! If one tilt the panels on the best fixed slope on the horizontal axis, the sun rays will be perfectly perpendicular only at noon, only at ONE moment of the day. In this case the increase of dayly electrical production seems to be 30% to 50% in average (depending on...

Has anyone ever seen personal achievements of solar trackers ? ie orientation systems on 2 axes of rotation as to be able to keep the pannel perpendicular to the sunrays at any time of the day. Where please ? Such a system is 3 times more efficient than a flat system. This significate that it...

Hi everyone ! First of all : My pseudonym is not a way to claim my nationality. I have no French patriotic feeling. This pseudonym is the best way I have found to avoid repeating the reasons for my lack of proficiency in your language.  As I could not use the only word "French" (65 millions of...