Walker 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 |
|---|---|---|---|
| Apr 12, 2020 | 60 hrs | 10,667 (27%) | Tornado |
| Mar 3, 2023 | 50 hrs | 10,541 (27%) | Thunderstorm Wind |
| Jun 7, 2025 | 40 hrs | 9,266 (24%) | Thunderstorm Wind |
| Feb 16, 2025 | 38 hrs | 8,205 (21%) | Thunderstorm Wind |
| Sep 13, 2021 | <1 hr | 7,002 (18%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Walker County, Alabama that day.
Over the 9 years from 2017 to 2025, Walker County recorded 1,310 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Walker County started April 12, 2020 (Tornado), lasting 60 hours and leaving up to 10,667 customers without power (27% of the county) at its peak.
June has historically been the worst month for outages in Walker County, with 150 events recorded during that month across the dataset.
Based on this history, Walker County earns a Reliability Grade of D, placing it in the 37th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Walker County.
| County | Grade | National percentile |
|---|---|---|
| Blount County | C | 41st |
| Lauderdale County | D | 32nd |
| Elmore County | D | 31st |
| St. Clair County | C | 44th |
| Henry County | C | 44th |
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 Walker County?
Between 2017 and 2025, Walker County recorded 1,310 outage events, averaging 2.3 hours each.
What is Walker County's reliability grade?
Walker County has a Reliability Grade of D, in the 37th national percentile.
What was the worst power outage in Walker County?
The worst outage on record started April 12, 2020 (Tornado), lasting 60 hours and affecting up to 10,667 customers.