PowerOutageHistory
B

Campbell County Power Outage History

20152025 · Tennessee

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
731
Avg duration
1.6 hrs
Longest outage
54 hrs
National percentile
64th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 30, 202418 hrs9,663 (38%)Hail
Aug 23, 20202 hrs9,634 (38%)Unnamed event
Jul 30, 20241 hrs8,429 (33%)Hail
Mar 3, 202322 hrs7,845 (31%)High Wind
Jun 22, 201935 hrs6,132 (24%)Thunderstorm Wind

Over the 11 years from 2015 to 2025, Campbell County recorded 731 distinct power outage events, averaging 1.6 hours per event.

The single worst outage on record in Campbell County started July 30, 2024 (Hail), lasting 18 hours and leaving up to 9,663 customers without power (38% of the county) at its peak.

July has historically been the worst month for outages in Campbell County, with 94 events recorded during that month across the dataset.

Based on this history, Campbell County earns a Reliability Grade of B, placing it in the 64th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Campbell County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Tennessee

Counties with the closest reliability grade and national percentile to Campbell County.

CountyGradeNational percentile
Madison CountyB65th
Montgomery CountyB65th
Cocke CountyB63rd
Claiborne CountyB63rd
Obion CountyB62nd

FAQ

How often does power go out in Campbell County?

Between 2015 and 2025, Campbell County recorded 731 outage events, averaging 1.6 hours each.

What is Campbell County's reliability grade?

Campbell County has a Reliability Grade of B, in the 64th national percentile.

What was the worst power outage in Campbell County?

The worst outage on record started July 30, 2024 (Hail), lasting 18 hours and affecting up to 9,663 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.