Holmes 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 |
|---|---|---|---|
| Jun 14, 2022 | 184 hrs | 11,833 (39%) | Thunderstorm Wind |
| Mar 25, 2023 | 54 hrs | 4,755 (16%) | Unnamed event |
| Mar 26, 2021 | 28 hrs | 3,662 (12%) | High Wind |
| Sep 11, 2020 | <1 hr | 3,501 (12%) | Thunderstorm Wind |
| Sep 11, 2020 | <1 hr | 3,501 (12%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Holmes County, Ohio that day.
Over the 12 years from 2014 to 2025, Holmes County recorded 472 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Holmes County started June 14, 2022 (Thunderstorm Wind), lasting 184 hours and leaving up to 11,833 customers without power (39% of the county) at its peak.
March has historically been the worst month for outages in Holmes County, with 51 events recorded during that month across the dataset.
Based on this history, Holmes County earns a Reliability Grade of D, placing it in the 36th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Holmes County.
| County | Grade | National percentile |
|---|---|---|
| Clinton County | D | 37th |
| Knox County | D | 37th |
| Trumbull County | D | 36th |
| Preble County | D | 37th |
| Scioto County | D | 38th |
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 Holmes County?
Between 2014 and 2025, Holmes County recorded 472 outage events, averaging 3.6 hours each.
What is Holmes County's reliability grade?
Holmes County has a Reliability Grade of D, in the 36th national percentile.
What was the worst power outage in Holmes County?
The worst outage on record started June 14, 2022 (Thunderstorm Wind), lasting 184 hours and affecting up to 11,833 customers.