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Calculation of the photovoltaic panel inclination angle
The optimal tilt angle is calculated by adding 15 degrees to your latitude in winter and subtracting 15 degrees from your latitude in summer. The calculator. . Enter your address to find the optimal solar panel tilt angle for your location. Adjusting your panels to the right angle can increase yearly energy yield by up to 20 %. Don't worry if your roof isn't perfect.
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