Rhea 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 |
|---|---|---|---|
| Feb 3, 2025 | 2 hrs | 7,403 (40%) | Unnamed event |
| Feb 21, 2025 | 3 hrs | 7,389 (40%) | Strong Wind |
| Apr 15, 2023 | 6 hrs | 7,371 (40%) | Unnamed event |
| Jul 1, 2020 | <1 hr | 6,836 (37%) | Unnamed event |
| Jul 1, 2020 | <1 hr | 6,836 (37%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Rhea County, Tennessee that day.
Over the 7 years from 2019 to 2025, Rhea County recorded 347 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Rhea County started February 3, 2025, lasting 2 hours and leaving up to 7,403 customers without power (40% of the county) at its peak.
July has historically been the worst month for outages in Rhea County, with 49 events recorded during that month across the dataset.
Based on this history, Rhea County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Rhea County.
| County | Grade | National percentile |
|---|---|---|
| Obion County | B | 62nd |
| Claiborne County | B | 63rd |
| Cocke County | B | 63rd |
| Campbell County | B | 64th |
| Madison County | B | 65th |
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 Rhea County?
Between 2019 and 2025, Rhea County recorded 347 outage events, averaging 2.4 hours each.
What is Rhea County's reliability grade?
Rhea County has a Reliability Grade of B, in the 62nd national percentile.
What was the worst power outage in Rhea County?
The worst outage on record started February 3, 2025, lasting 2 hours and affecting up to 7,403 customers.