Cullman County power outages

Alabama outage history from 2017 to 2023, with the largest outages and a backup battery estimate.

Cullman County, Alabama had 28 major outages from 2017 to 2023

Above middle outage time among US counties

Residents here averaged 1.30 times the US outage time per person and 1.19 times the Alabama rate. It ranks 29 of 66 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

4.0major outages per year
7 of 7years with a major outage
58 hrslongest major outage
Mar, Mayhardest months

March and May made up 38% of this county's outage time. The largest outage on record began Mar 3, 2023, reached 15,511 customers, and left at least 200 customers out for 57.5 hours.

Outage time per resident, rated Alabama counties
MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

0
200K
400K
600K
800K
2017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
2017224,170613
2018161,6791193
2019194,3941371
2020343,5241052
2021260,142906
2022218,029986
2023654,9381117

When outages hit

Share of this county's customer-hours by month.

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Mar 3, 202357.515,511260,300
Apr 13, 202044.08,057112,861
Aug 7, 202314.814,73992,033
May 28, 201724.29,44663,856
Jan 11, 202027.06,80250,441

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

  • A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
  • Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
  • Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.