Carroll CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 29, 2025 | 72 hrs | 6,805 (35%) | Thunderstorm Wind |
| Mar 25, 2023 | 77 hrs | 5,504 (29%) | Strong Wind |
| Nov 15, 2020 | 21 hrs | 5,265 (27%) | Thunderstorm Wind |
| Mar 5, 2024 | <1 hr | 3,578 (19%) | Unnamed event |
| Apr 8, 2020 | 20 hrs | 3,415 (18%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Carroll County, Ohio that day.
Over the 12 years from 2014 to 2025, Carroll County recorded 644 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Carroll County started April 29, 2025 (Thunderstorm Wind), lasting 72 hours and leaving up to 6,805 customers without power (35% of the county) at its peak.
June has historically been the worst month for outages in Carroll County, with 82 events recorded during that month across the dataset.
Based on this history, Carroll County earns a Reliability Grade of D, placing it in the 29th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Carroll County.
| County | Grade | National percentile |
|---|---|---|
| Athens County | D | 30th |
| Gallia County | D | 30th |
| Cuyahoga County | D | 28th |
| Columbiana County | D | 31st |
| Jefferson County | D | 32nd |
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 644 outage events, averaging 3.4 hours each.
What is Carroll County's reliability grade?
Carroll County has a Reliability Grade of D, in the 29th national percentile.
What was the worst power outage in Carroll County?
The worst outage on record started April 29, 2025 (Thunderstorm Wind), lasting 72 hours and affecting up to 6,805 customers.