Lauderdale CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 2, 2018 | <1 hr | 848 (7%) | Heat |
| Jul 12, 2018 | <1 hr | 692 (5%) | Heat |
| May 24, 2017 | <1 hr | 684 (5%) | Unnamed event |
| Sep 3, 2017 | 2 hrs | 682 (5%) | Unnamed event |
| Oct 17, 2022 | <1 hr | 675 (5%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lauderdale County, Tennessee that day.
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 less than 1 hour 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).
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 |
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 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 less than 1 hour and affecting up to 848 customers.