Sequatchie CountyPower Outage History
What this grade means
(How grades are calculated)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.
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Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 14, 2025 | 6 hrs | 7,612 (87%) | Thunderstorm Wind |
| Jun 20, 2022 | 6 hrs | 6,447 (73%) | Unnamed event |
| Jun 7, 2025 | 11 hrs | 3,979 (45%) | Thunderstorm Wind |
| Jan 19, 2023 | <1 hr | 3,704 (42%) | Unnamed event |
| Mar 25, 2022 | <1 hr | 3,698 (42%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Sequatchie County, Tennessee that day.
Over the 7 years from 2019 to 2025, Sequatchie County recorded 270 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Sequatchie County started June 14, 2025 (Thunderstorm Wind), lasting 6 hours and leaving up to 7,612 customers without power (87% of the county) at its peak.
March has historically been the worst month for outages in Sequatchie County, with 33 events recorded during that month across the dataset.
Based on this history, Sequatchie County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Sequatchie County.
| County | Grade | National percentile |
|---|---|---|
| Jefferson County | B | 70th |
| Coffee County | B | 69th |
| Loudon County | B | 69th |
| Maury County | B | 68th |
| Haywood County | B | 72nd |
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 Sequatchie County?
Between 2019 and 2025, Sequatchie County recorded 270 outage events, averaging 2.3 hours each.
What is Sequatchie County's reliability grade?
Sequatchie County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Sequatchie County?
The worst outage on record started June 14, 2025 (Thunderstorm Wind), lasting 6 hours and affecting up to 7,612 customers.