White County Power Outage History
2019–2025 · Tennessee
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 26, 2019 | 1 hrs | 3,080 (22%) | Drought |
| Nov 16, 2019 | 3 hrs | 1,818 (13%) | Unnamed event |
| Oct 26, 2019 | 5 hrs | 1,660 (12%) | Drought |
| Jun 28, 2025 | 3 hrs | 1,570 (11%) | Unnamed event |
| May 15, 2025 | 5 hrs | 1,569 (11%) | Unnamed event |
Over the 7 years from 2019 to 2025, White County recorded 114 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in White County started October 26, 2019 (Drought), lasting 1 hours and leaving up to 3,080 customers without power (22% of the county) at its peak.
March has historically been the worst month for outages in White County, with 14 events recorded during that month across the dataset.
Based on this history, White County earns a Reliability Grade of A, placing it in the 84th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for White County's outage profile
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Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to White County.
| County | Grade | National percentile |
|---|---|---|
| Bedford County | A | 83rd |
| Van Buren County | A | 81st |
| Roane County | A | 81st |
| Hamilton County | A | 88th |
| Overton County | A | 88th |
FAQ
How often does power go out in White County?
Between 2019 and 2025, White County recorded 114 outage events, averaging 3.0 hours each.
What is White County's reliability grade?
White County has a Reliability Grade of A, in the 84th national percentile.
What was the worst power outage in White County?
The worst outage on record started October 26, 2019 (Drought), lasting 1 hours and affecting up to 3,080 customers.