https://consumerist.com/2017/08/11/will-the-total-solar-eclipse-affect-solar-power/

You’re ready for the eclipse on Aug. 21, with your non-counterfeit viewing glasses and travel plans set. Yet here’s something that you may not have thought of: How will a total or even a partial solar eclipse affect homes and workplaces that use solar power?

Sure, solar power systems spend time in the dark on a daily basis, but the eclipse is a one-time event, not something that happens every day and is built into the system. Yet the National Resources Defense Council reassures everyone that we don’t have to worry about systems failing or homes going dark while the sun ducks behind the moon for a bit.