How often does your county lose power?

Nine years of federal outage records for 2,966 US counties. Pick yours to see its major outages and how much backup power would cover a similar one.

Outage time by state

Outage time per resident, shown as a multiple of the US average of 1.00. Data from 2015 to 2023.

Connecticut, Puerto Rico and the US Virgin Islands are not included yet.

Counties with the most outage time

Rated counties only, ranked by outage time per resident.

RankCountyStateMajor outages per yearLongest (hours)Times US rate
1Plumas CountyCalifornia10.957016.30
2St. Helena ParishLouisiana2.040814.07
3Beauregard ParishLouisiana4.340413.55
4Calaveras CountyCalifornia16.212612.93
5Tuolumne CountyCalifornia9.714912.86
6Sabine ParishLouisiana9.328712.73
7Calcasieu ParishLouisiana5.084512.43
8Alcona CountyMichigan7.710312.25
9Mariposa CountyCalifornia9.316112.21
10Lafourche ParishLouisiana3.21,03611.10

See the top 100 counties

Power outage checklist

What to do before, during and after an outage, including how long food stays safe and where a generator can run.

Read the checklist