Based on my experience - about 12%. See https://shkspr.mobi/blog/2022/07/solar-efficiency-and-high-t...
That will depend heavily on local conditions, type of panel, etc.
Significant, but not devastating.
That will depend heavily on local conditions, type of panel, etc.
Significant, but not devastating.
Would you say the same holds across months? Say, would cooler May have better production than hotter July? Or is July still ahead because of more sunshine hours, offsetting the hot inefficiencies?
Sometimes May beats July, sometimes it doesn't.
If you're interested, I have released all my panels' data at https://gitlab.com/edent/solar-data/
I see the pvoutput page didn't pick up some days in May and June 2020. I'm curious why, since I can see them on your .csv dumps.