Electric power for U.S. customers was interrupted for an average of 7.8 hours in 2017, nearly double the average total duration of interruptions experienced in 2016.
In 2017, the average US customer experienced 1.4 interruptions counting major events (hurricanes and winter storms) and 1.0 interruption excluding major events.
The average customer interruption time in the five worst hit states ranged from 15 hours in Vermont to 42 hours in Maine. (Georgia is slightly longer than Vermont - about 17 to 18 hours.)
https://www.eia.gov/todayinenergy/detail.php?id=37652
A solar power system with battery backup can keep your lights on when the grid goes down.
