[ProtectOurFreedom]

The total duration start to finish is close to three hours. Solar output starts to drop immediately when the moon starts to block the sun.

[freeandfreezing]

I’d like to see the same chart when a weather event covers the sky with clouds. I suspect that also causes the PV output power to diminish.

[freeandfreezing]

Clouds have a bigger effect - who knew!

See figure 3.

In many places clouds are pretty common, much more common than eclipses, and probably harder to plan for.