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Old 09-02-2018, 14:16   #16
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Cadence's Avatar

Join Date: Dec 2008
Location: SC
Boat: None,build the one shown of glass, had many from 6' to 48'.
Posts: 7,645
Re: Fiber washers on deck

Originally Posted by Boatyarddog View Post
Nigel Calder has old info.

Today, the efficiency ratings for average monocrystalline or polycrystalline panels hovers between 14 and 17 percent. Thin film solar panels, on the other hand, typically offer an efficiency of between 11 and 13 percent. 2018 specs.Not much difference really.
You have a lot more options for mounting flexible panels, and breaking the glass on monocrystalline panels is sure to happen with hardware flinging around as it can do in a blow.
Being a small difference in efficiency makes the flex panels more Valueable and are easier to re orient to optimum positions than much heavier and framed panels.
Flex panels, are less expensive as well, can be slipped out of sight on the dock where theft can be a problem, or vandalism, it happens! And have a lot less weight for shipping (so important in places where you cannot get things easily)and usually can be stacked for more power by connecting cable ends together, not hard wiring.
They are better power producers in Low Light conditions.
I love the fact that they can be pull out as needed for power, connected together, then packed away when not needed, thus freeing up space for doing other things.
Just my two cents worth.
SV Cloud Duster
I would hazard a guess the efficiency has to do with the manufacturer more so than the type? The framing on a hard panel probably cost as much as the panel.

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