Campbell CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 30, 2024 | 18 hrs | 9,663 (38%) | Hail |
| Aug 23, 2020 | 2 hrs | 9,634 (38%) | Unnamed event |
| Jul 30, 2024 | 1 hrs | 8,429 (33%) | Hail |
| Mar 3, 2023 | 22 hrs | 7,845 (31%) | High Wind |
| Jun 22, 2019 | 35 hrs | 6,132 (24%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Campbell County, Tennessee that day.
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).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Campbell County.
| County | Grade | National percentile |
|---|---|---|
| Madison County | B | 65th |
| Montgomery County | B | 65th |
| Cocke County | B | 63rd |
| Claiborne County | B | 63rd |
| Obion County | B | 62nd |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.