Ohio County Power Outage History
2014–2025 · Kentucky
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 11, 2021 | 84 hrs | 9,485 (67%) | Tornado |
| May 27, 2017 | 10 hrs | 5,222 (37%) | Thunderstorm Wind |
| Jun 29, 2023 | 37 hrs | 4,863 (34%) | Thunderstorm Wind |
| Mar 3, 2023 | 128 hrs | 4,528 (32%) | High Wind |
| Oct 22, 2015 | 0 hrs | 3,618 (26%) | Unnamed event |
Over the 12 years from 2014 to 2025, Ohio County recorded 531 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Ohio County started December 11, 2021 (Tornado), lasting 84 hours and leaving up to 9,485 customers without power (67% of the county) at its peak.
July has historically been the worst month for outages in Ohio County, with 83 events recorded during that month across the dataset.
Based on this history, Ohio County earns a Reliability Grade of C, placing it in the 43rd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Ohio County.
| County | Grade | National percentile |
|---|---|---|
| Ballard County | C | 44th |
| Lincoln County | C | 42nd |
| Gallatin County | C | 42nd |
| Whitley County | C | 45th |
| Spencer County | C | 41st |
FAQ
How often does power go out in Ohio County?
Between 2014 and 2025, Ohio County recorded 531 outage events, averaging 2.6 hours each.
What is Ohio County's reliability grade?
Ohio County has a Reliability Grade of C, in the 43rd national percentile.
What was the worst power outage in Ohio County?
The worst outage on record started December 11, 2021 (Tornado), lasting 84 hours and affecting up to 9,485 customers.