https://www.cnbc.com/2017/08/21/how-to-follow-2017-eclipse-on-facebook.html

Authorities in Oregon are warning people not to watch Monday's solar eclipse from the side of the road, concerned about jammed freeways and car crashes caused by distracted drivers.

In California, officials who run the state's electric grid are preparing for a loss of solar power that could reach 67 percent. North Carolina could see a 90 percent drop in solar power supply.