Originally posted by scrambler
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Again, blue is 2017, red is 2019 and green is 2020. New color is orange which represents spring of 2021. Ignore the 2017 references at the bottom - they are January, February, March and April of all 4 years. the light colored lines are the actual values and the large dots are 25 day average trends. Maybe as I collect more data over time and put panel cleaning on my schedule as a yearly or twice a year event, I can further evaluate.
Not sure if I will ever get panel level data - what are your thoughts about how to test the panels or install my own monitoring system? I just feel like I am flying blind.
2021 Spring power compared to 2017.JPG
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