Ross 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 |
|---|---|---|---|
| Sep 27, 2024 | 78 hrs | 17,215 (33%) | Hurricane Helene |
| Jun 23, 2016 | 23 hrs | 14,302 (27%) | Thunderstorm Wind |
| Mar 3, 2023 | 68 hrs | 12,759 (24%) | High Wind |
| Jun 23, 2016 | 2 hrs | 8,855 (17%) | Thunderstorm Wind |
| Sep 11, 2020 | <1 hr | 8,264 (16%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ross County, Ohio that day.
Over the 12 years from 2014 to 2025, Ross County recorded 879 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Ross County started September 27, 2024 (Hurricane Helene), lasting 78 hours and leaving up to 17,215 customers without power (33% of the county) at its peak.
June has historically been the worst month for outages in Ross County, with 103 events recorded during that month across the dataset.
Based on this history, Ross County earns a Reliability Grade of D, placing it in the 33rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Ross County.
| County | Grade | National percentile |
|---|---|---|
| Tuscarawas County | D | 34th |
| Jefferson County | D | 32nd |
| Clermont County | D | 34th |
| Columbiana County | D | 31st |
| Trumbull County | D | 36th |
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 Ross County?
Between 2014 and 2025, Ross County recorded 879 outage events, averaging 3.1 hours each.
What is Ross County's reliability grade?
Ross County has a Reliability Grade of D, in the 33rd national percentile.
What was the worst power outage in Ross County?
The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 78 hours and affecting up to 17,215 customers.