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Old 20-06-2015, 06:46   #31
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Re: Do you cool your solar panels to get more power?

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Originally Posted by MarkJ View Post
I have just come up from the Caribbean to New York and the difference is startling and confusing. In the tropics it's often cloudy around the islands where we anchor but still hot. In NY it's cooler but when the sun is out it really zaps.

....

Also.longer sunlight hours in the higher latitudes.. and the wind here isn't easterly so panel orientation is different.

All this stuff does affect your daily amps in.
I think it has more to do with the longer daylight hours and the more direct sun angle the US gets during the summer compared to the Caribe in the winter.

Right now, we are in FL with no wind and 95* temps. Our panels are hotter than they ever got in the Caribe and Central America - but we are producing 30% more daily on average here than we did there during the same month. We have 16% more daylight hours and the sun is pretty much directly overhead here now.

Mark
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