Carroll CountyPower Outage History
What this grade means
(How grades are calculated)Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 25, 2023 | 89 hrs | 945 (19%) | Tornado |
| Apr 13, 2020 | 66 hrs | 788 (16%) | Thunderstorm Wind |
| Mar 25, 2024 | 4 hrs | 675 (13%) | Unnamed event |
| May 25, 2016 | <1 hr | 665 (13%) | Unnamed event |
| Jun 1, 2016 | <1 hr | 663 (13%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Carroll County, Mississippi that day.
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).
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Carroll County.
| County | Grade | National percentile |
|---|---|---|
| Lauderdale County | C | 45th |
| Tippah County | C | 46th |
| Wayne County | C | 43rd |
| Pearl River County | C | 43rd |
| Stone County | C | 42nd |
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 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.