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Old 29-08-2024, 04:28   #46
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Re: The new Renogy 450W bifacial panels arrived!

Quote:
Originally Posted by kmacdonald View Post
Do they have to be mounted without bottom obstructions shading the underside? I look forward to seeing the results. A 30% increase in output for the same area would be great.

Is the sunlight 30% as intense under the bimini? No, more like 10-15%. Is there even 10% in the underside?



More likely, the only place bifacial panels are really going to shine are vertical and other installations where direct sun can hit both sides. Or very reflective surfaces focusing light in that direction, which sounds like exactly what I would never want in the cockpit.


You probably will see a 30% increase with new bifacial panels, but at least half of that is because the old panels are old.
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