07-15-2019, 11:52 PM
When I was figuring out what the best angle was for my panels, it was panels that were facing South at an 18 degree angle in the Summer. The best Winter angle was 54 degrees I believe. So if your angle is steeper than 18 degrees, say 30 degrees and it's not facing South that might explain why you are not producing as much power in the Summer but that's just a guess.
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