PowerOutageHistory
D

Calhoun County Power Outage History

20172025 · Alabama

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
1,024
Avg duration
3.2 hrs
Longest outage
110 hrs
National percentile
27th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 29, 2020110 hrs30,458 (49%)Tropical Storm
Apr 3, 20231 hrs17,672 (28%)Unnamed event
Mar 3, 202325 hrs15,449 (25%)Strong Wind
Feb 12, 20243 hrs14,282 (23%)Unnamed event
Apr 23, 20208 hrs14,038 (23%)High Wind

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).

Sized for Calhoun County's outage profile

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Outage-prep kit

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Similar counties in Alabama

Counties with the closest reliability grade and national percentile to Calhoun County.

CountyGradeNational percentile
Monroe CountyD28th
Tallapoosa CountyD26th
Autauga CountyD29th
Marion CountyD26th
Baldwin CountyD26th

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.