Calhoun 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 |
|---|---|---|---|
| Oct 29, 2020 | 110 hrs | 30,458 (49%) | Tropical Storm |
| Apr 3, 2023 | <1 hr | 17,672 (28%) | Unnamed event |
| Mar 3, 2023 | 25 hrs | 15,449 (25%) | Strong Wind |
| Feb 12, 2024 | 3 hrs | 14,282 (23%) | Unnamed event |
| Apr 23, 2020 | 8 hrs | 14,038 (23%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Calhoun County, Alabama that day.
Over the 9 years from 2017 to 2025, Calhoun County recorded 1,024 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Calhoun County started October 29, 2020 (Tropical Storm), lasting 110 hours and leaving up to 30,458 customers without power (49% of the county) at its peak.
June has historically been the worst month for outages in Calhoun County, with 116 events recorded during that month across the dataset.
Based on this history, Calhoun County earns a Reliability Grade of D, placing it in the 27th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Calhoun County.
| County | Grade | National percentile |
|---|---|---|
| Monroe County | D | 28th |
| Tallapoosa County | D | 26th |
| Autauga County | D | 29th |
| Marion County | D | 26th |
| Baldwin County | D | 26th |
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 Calhoun County?
Between 2017 and 2025, Calhoun County recorded 1,024 outage events, averaging 3.2 hours each.
What is Calhoun County's reliability grade?
Calhoun County has a Reliability Grade of D, in the 27th national percentile.
What was the worst power outage in Calhoun County?
The worst outage on record started October 29, 2020 (Tropical Storm), lasting 110 hours and affecting up to 30,458 customers.