Quote:
Originally Posted by calgarygeologist
How much variability in watts do you guys have at peak production because I'm trying to figure out if I have two panels which might have an issue? From looking at my data, at peak production these two panels are doing ~285 watts and ~295 watts while adjacent panels are ~310 to 321 (321 being my max capacity.) This shouldn't be a shading issue, maybe those two panels are dirtier than others (bird poop or something) or maybe there is an issue.
Thoughts?
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Mine is a new install (~5 weeks) so bird poop or dirt wouldn't be an issue yet and not a huge sample size, but generally all of my panels seem to be within 5-10 watts of one another. (Only exception is when shading becomes a factor....like in the evening I can see the difference the shadow of my neighbour's chimney stack makes on 2 panels compared to the rest of the system

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