Comment by mixermachine
7 hours ago
Especially for hot and sunny areas solar is insane. At mid day, max heat, you get the peak production and can run your AC at full throttle. That enables you to efficiently work at nice temperatures.
7 hours ago
Especially for hot and sunny areas solar is insane. At mid day, max heat, you get the peak production and can run your AC at full throttle. That enables you to efficiently work at nice temperatures.
Heat reduces solar production, ideally you have very sunny environment with about 25C / 77F.
Why is that always posted without stating the magnitude of the effect? The numbers that you find online are around 15% relative loss at 60°C vs. 25°C panel temperatur (I remember a HN comment reporting 12% comparing peak April to peak July). That is significant, but not world changing, especially for AC.
What about panel degradation?
1 reply →
Panels are cheap, efficiency is not that important.
Marginally. Between 77F and 100F you only lose about 5%, so you still get 95% of the stated max efficiency. It’s basically negligible and not really relevant.