Davidson CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 5, 2020 | 4 hrs | 132,893 (36%) | Thunderstorm Wind |
| May 5, 2020 | 59 hrs | 132,165 (36%) | Thunderstorm Wind |
| May 3, 2020 | 9 hrs | 124,024 (34%) | Thunderstorm Wind |
| Dec 23, 2022 | 55 hrs | 123,263 (34%) | Winter Storm Elliott |
| May 4, 2020 | 2 hrs | 112,703 (31%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Davidson County, Tennessee that day.
Over the 12 years from 2014 to 2025, Davidson County recorded 3,605 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Davidson County started May 5, 2020 (Thunderstorm Wind), lasting 4 hours and leaving up to 132,893 customers without power (36% of the county) at its peak.
July has historically been the worst month for outages in Davidson County, with 412 events recorded during that month across the dataset.
Based on this history, Davidson County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Tennessee
Counties with the closest reliability grade and national percentile to Davidson County.
| County | Grade | National percentile |
|---|---|---|
| Fayette County | D | 36th |
| Hancock County | D | 36th |
| Grundy County | D | 37th |
| Fentress County | D | 33rd |
| Polk County | D | 33rd |
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 Davidson County?
Between 2014 and 2025, Davidson County recorded 3,605 outage events, averaging 2.3 hours each.
What is Davidson County's reliability grade?
Davidson County has a Reliability Grade of D, in the 35th national percentile.
What was the worst power outage in Davidson County?
The worst outage on record started May 5, 2020 (Thunderstorm Wind), lasting 4 hours and affecting up to 132,893 customers.