Lauderdale County Power Outage History
2017–2025 · 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 |
|---|---|---|---|
| Jul 2, 2018 | 0 hrs | 848 (7%) | Heat |
| Jul 12, 2018 | 0 hrs | 692 (5%) | Heat |
| May 24, 2017 | 1 hrs | 684 (5%) | Unnamed event |
| Sep 3, 2017 | 2 hrs | 682 (5%) | Unnamed event |
| Oct 17, 2022 | 1 hrs | 675 (5%) | Unnamed event |
Over the 9 years from 2017 to 2025, Lauderdale County recorded 85 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Lauderdale County started July 2, 2018 (Heat), lasting 0 hours and leaving up to 848 customers without power (7% of the county) at its peak.
June has historically been the worst month for outages in Lauderdale County, with 16 events recorded during that month across the dataset.
Based on this history, Lauderdale County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lauderdale County's outage profile
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Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Lauderdale County.
| County | Grade | National percentile |
|---|---|---|
| Morgan County | A | 95th |
| Henderson County | A | 94th |
| Dyer County | A | 96th |
| Unicoi County | A | 96th |
| DeKalb County | A | 97th |
FAQ
How often does power go out in Lauderdale County?
Between 2017 and 2025, Lauderdale County recorded 85 outage events, averaging 2.7 hours each.
What is Lauderdale County's reliability grade?
Lauderdale County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Lauderdale County?
The worst outage on record started July 2, 2018 (Heat), lasting 0 hours and affecting up to 848 customers.