Solar Eclipses cut power to Solar panels which strain electrical grids that are connected

I was trying to figure out how this is different than clouds obscuring the sun or the sun going down every day?

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Now We Actually Have a Real Reason to Dread Solar Eclipses 

Superstitions have surrounded the eerie solar eclipse since time immemorial. Earth's biggest solar eclipse since 1999 is happening this March, and it could cause some real disruption—thanks to Europe's reliance on solar energy. Of course, Europe's ready adoption of renewable energy is generally a…

Gizmodo