Giles County Power Outage History
2014–2025 · Tennessee
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 9, 2024 | 33 hrs | 14,391 (81%) | Tornado |
| Dec 28, 2023 | 1 hrs | 13,232 (75%) | Drought |
| Sep 6, 2023 | 6 hrs | 12,506 (71%) | Unnamed event |
| May 27, 2024 | 1 hrs | 9,926 (56%) | Unnamed event |
| Jun 12, 2021 | 8 hrs | 9,150 (52%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Giles County recorded 790 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Giles County started May 9, 2024 (Tornado), lasting 33 hours and leaving up to 14,391 customers without power (81% of the county) at its peak.
May has historically been the worst month for outages in Giles County, with 114 events recorded during that month across the dataset.
Based on this history, Giles County earns a Reliability Grade of D, placing it in the 33rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Giles County.
| County | Grade | National percentile |
|---|---|---|
| Polk County | D | 33rd |
| Union County | D | 32nd |
| Fentress County | D | 33rd |
| Macon County | D | 31st |
| Tipton County | D | 30th |
FAQ
How often does power go out in Giles County?
Between 2014 and 2025, Giles County recorded 790 outage events, averaging 1.8 hours each.
What is Giles County's reliability grade?
Giles County has a Reliability Grade of D, in the 33rd national percentile.
What was the worst power outage in Giles County?
The worst outage on record started May 9, 2024 (Tornado), lasting 33 hours and affecting up to 14,391 customers.