> And in general we know when the sun is going down a long time in advance so grid operators can plan for it! This is even more important for solar eclipses: u

> And in general we know when the sun is going down a long time in advance so grid operators can plan for it! This is even more important for solar eclipses: unlike normal sunrise and sunset which are gradual, the ramp in a solar eclipse is very steep, so the grid operator has to have enough reserve prepared in advance and ready to absorb the sudden decrease (and increase) in solar generation.