Carroll CountyPower Outage History
What this grade means
(How grades are calculated)Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 16, 2024 | 29 hrs | 2,368 (42%) | Unnamed event |
| Mar 7, 2017 | 28 hrs | 1,250 (22%) | Tornado |
| Jul 16, 2020 | 2 hrs | 1,046 (18%) | Unnamed event |
| Jul 3, 2020 | 3 hrs | 1,045 (18%) | Unnamed event |
| Aug 12, 2021 | 7 hrs | 1,014 (18%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Carroll County, Missouri that day.
Over the 11 years from 2015 to 2025, Carroll County recorded 448 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Carroll County started July 16, 2024, lasting 29 hours and leaving up to 2,368 customers without power (42% of the county) at its peak.
July has historically been the worst month for outages in Carroll County, with 77 events recorded during that month across the dataset.
Based on this history, Carroll County earns a Reliability Grade of B, placing it in the 64th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Carroll County.
| County | Grade | National percentile |
|---|---|---|
| Mississippi County | B | 65th |
| Clinton County | B | 65th |
| St. Francois County | B | 64th |
| Perry County | B | 63rd |
| Clay County | B | 66th |
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 2015 and 2025, Carroll County recorded 448 outage events, averaging 2.2 hours each.
What is Carroll County's reliability grade?
Carroll County has a Reliability Grade of B, in the 64th national percentile.
What was the worst power outage in Carroll County?
The worst outage on record started July 16, 2024, lasting 29 hours and affecting up to 2,368 customers.