Bradley CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 13, 2020 | 41 hrs | 13,967 (26%) | Thunderstorm Wind |
| Jan 2, 2022 | 2 hrs | 13,737 (25%) | Unnamed event |
| May 3, 2020 | 2 hrs | 11,337 (21%) | Thunderstorm Wind |
| May 9, 2024 | 38 hrs | 10,880 (20%) | Thunderstorm Wind |
| Dec 24, 2022 | 8 hrs | 9,413 (17%) | Winter Storm Elliott |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Bradley County, Tennessee that day.
Over the 7 years from 2019 to 2025, Bradley County recorded 773 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Bradley County started April 13, 2020 (Thunderstorm Wind), lasting 41 hours and leaving up to 13,967 customers without power (26% of the county) at its peak.
June has historically been the worst month for outages in Bradley County, with 107 events recorded during that month across the dataset.
Based on this history, Bradley County earns a Reliability Grade of C, placing it in the 47th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Bradley County.
| County | Grade | National percentile |
|---|---|---|
| Cheatham County | C | 46th |
| Grainger County | C | 49th |
| Bledsoe County | C | 44th |
| Crockett County | C | 43rd |
| Monroe County | C | 43rd |
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 Bradley County?
Between 2019 and 2025, Bradley County recorded 773 outage events, averaging 2.6 hours each.
What is Bradley County's reliability grade?
Bradley County has a Reliability Grade of C, in the 47th national percentile.
What was the worst power outage in Bradley County?
The worst outage on record started April 13, 2020 (Thunderstorm Wind), lasting 41 hours and affecting up to 13,967 customers.