Franklin 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 29, 2024 | 12 hrs | 5,385 (22%) | Drought |
| Jun 22, 2019 | 13 hrs | 5,286 (22%) | Thunderstorm Wind |
| Nov 6, 2018 | 18 hrs | 4,085 (17%) | Tornado |
| Mar 3, 2023 | 19 hrs | 3,498 (14%) | Thunderstorm Wind |
| Jun 18, 2020 | 3 hrs | 3,278 (14%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Franklin County, Tennessee that day.
Over the 12 years from 2014 to 2025, Franklin County recorded 391 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Franklin County started July 29, 2024 (Drought), lasting 12 hours and leaving up to 5,385 customers without power (22% of the county) at its peak.
April has historically been the worst month for outages in Franklin County, with 48 events recorded during that month across the dataset.
Based on this history, Franklin County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Franklin County.
| County | Grade | National percentile |
|---|---|---|
| Marshall County | B | 77th |
| Marion County | B | 77th |
| Cannon County | B | 78th |
| McMinn County | B | 78th |
| Greene County | B | 76th |
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 Franklin County?
Between 2014 and 2025, Franklin County recorded 391 outage events, averaging 2.1 hours each.
What is Franklin County's reliability grade?
Franklin County has a Reliability Grade of B, in the 78th national percentile.
What was the worst power outage in Franklin County?
The worst outage on record started July 29, 2024 (Drought), lasting 12 hours and affecting up to 5,385 customers.