Cullman County Power Outage History
2017–2025 · Alabama
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 58 hrs | 15,511 (26%) | Strong Wind |
| Aug 7, 2023 | 15 hrs | 14,739 (25%) | Heat |
| Jun 19, 2023 | 3 hrs | 12,503 (21%) | Unnamed event |
| Jun 7, 2025 | 48 hrs | 11,675 (20%) | Unnamed event |
| May 6, 2017 | 7 hrs | 10,606 (18%) | Unnamed event |
Over the 9 years from 2017 to 2025, Cullman County recorded 921 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Cullman County started March 3, 2023 (Strong Wind), lasting 58 hours and leaving up to 15,511 customers without power (26% of the county) at its peak.
June has historically been the worst month for outages in Cullman County, with 130 events recorded during that month across the dataset.
Based on this history, Cullman County earns a Reliability Grade of C, placing it in the 49th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Cullman County's outage profile
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Similar counties in Alabama
Counties with the closest reliability grade and national percentile to Cullman County.
| County | Grade | National percentile |
|---|---|---|
| Sumter County | C | 49th |
| Bullock County | C | 50th |
| Choctaw County | C | 50th |
| Geneva County | C | 50th |
| Clarke County | C | 51st |
FAQ
How often does power go out in Cullman County?
Between 2017 and 2025, Cullman County recorded 921 outage events, averaging 2.4 hours each.
What is Cullman County's reliability grade?
Cullman County has a Reliability Grade of C, in the 49th national percentile.
What was the worst power outage in Cullman County?
The worst outage on record started March 3, 2023 (Strong Wind), lasting 58 hours and affecting up to 15,511 customers.