PowerOutageHistory
CReliability Grade

Carroll CountyPower Outage History

20142025 · Mississippi

Average — typical outage frequency and duration nationally.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide45th pct
In Mississippi67th pct
Total events
382
Avg duration
4.6 hrs
Longest outage
89 hrs
Customers served
5,046
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 25, 202389 hrs945 (19%)Tornado
Apr 13, 202066 hrs788 (16%)Thunderstorm Wind
Mar 25, 20244 hrs675 (13%)Unnamed event
May 25, 2016<1 hr665 (13%)Unnamed event
Jun 1, 2016<1 hr663 (13%)Unnamed event

Over the 12 years from 2014 to 2025, Carroll County recorded 382 distinct power outage events, averaging 4.6 hours per event.

The single worst outage on record in Carroll County started March 25, 2023 (Tornado), lasting 89 hours and leaving up to 945 customers without power (19% of the county) at its peak.

June has historically been the worst month for outages in Carroll County, with 47 events recorded during that month across the dataset.

Based on this history, Carroll County earns a Reliability Grade of C, placing it in the 45th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Carroll County's outage profile

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Outage-prep kit

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Similar counties in Mississippi

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

CountyGradeNational percentile
Lauderdale CountyC45th
Tippah CountyC46th
Wayne CountyC43rd
Pearl River CountyC43rd
Stone CountyC42nd

Most reliable counties in Mississippi

The top 3 counties in Mississippi by reliability grade and percentile.

CountyGradeNational percentile
Chickasaw CountyA99th
Alcorn CountyA98th
Monroe CountyA98th

Least reliable counties in Mississippi

The bottom 3 counties in Mississippi by reliability grade and percentile.

CountyGradeNational percentile
Wilkinson CountyF0th
Claiborne CountyF0th
Jefferson CountyF1st

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Carroll County?

Between 2014 and 2025, Carroll County recorded 382 outage events, averaging 4.6 hours each.

What is Carroll County's reliability grade?

Carroll County has a Reliability Grade of C, in the 45th national percentile.

What was the worst power outage in Carroll County?

The worst outage on record started March 25, 2023 (Tornado), lasting 89 hours and affecting up to 945 customers.

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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.