Fentress CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 19, 2023 | <1 hr | 8,307 (67%) | Unnamed event |
| Mar 3, 2023 | 15 hrs | 5,594 (45%) | High Wind |
| Mar 31, 2022 | 5 hrs | 5,546 (45%) | Unnamed event |
| Sep 6, 2022 | <1 hr | 5,179 (42%) | Unnamed event |
| Mar 16, 2025 | 38 hrs | 4,893 (40%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Fentress County, Tennessee that day.
Over the 7 years from 2019 to 2025, Fentress County recorded 605 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Fentress County started February 19, 2023, lasting less than 1 hour and leaving up to 8,307 customers without power (67% of the county) at its peak.
July has historically been the worst month for outages in Fentress County, with 79 events recorded during that month across the dataset.
Based on this history, Fentress County earns a Reliability Grade of D, placing it in the 33rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Fentress County.
| County | Grade | National percentile |
|---|---|---|
| Polk County | D | 33rd |
| Giles County | D | 33rd |
| Union County | D | 32nd |
| Macon County | D | 31st |
| Davidson County | D | 35th |
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 Fentress County?
Between 2019 and 2025, Fentress County recorded 605 outage events, averaging 2.1 hours each.
What is Fentress County's reliability grade?
Fentress County has a Reliability Grade of D, in the 33rd national percentile.
What was the worst power outage in Fentress County?
The worst outage on record started February 19, 2023, lasting less than 1 hour and affecting up to 8,307 customers.