Highland County Power Outage History
2014–2025 · Ohio
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 |
|---|---|---|---|
| Jun 10, 2020 | 28 hrs | 6,874 (25%) | Thunderstorm Wind |
| Jun 6, 2015 | 11 hrs | 5,805 (21%) | Unnamed event |
| Jun 7, 2015 | 1 hrs | 5,804 (21%) | Unnamed event |
| Jun 6, 2015 | 3 hrs | 5,804 (21%) | Unnamed event |
| Apr 6, 2016 | 7 hrs | 4,771 (17%) | High Wind |
Over the 12 years from 2014 to 2025, Highland County recorded 547 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Highland County started June 10, 2020 (Thunderstorm Wind), lasting 28 hours and leaving up to 6,874 customers without power (25% of the county) at its peak.
June has historically been the worst month for outages in Highland County, with 60 events recorded during that month across the dataset.
Based on this history, Highland County earns a Reliability Grade of C, placing it in the 44th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Highland County's outage profile
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Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Highland County.
| County | Grade | National percentile |
|---|---|---|
| Portage County | C | 43rd |
| Morrow County | C | 46th |
| Noble County | C | 41st |
| Washington County | C | 47th |
| Fairfield County | C | 48th |
FAQ
How often does power go out in Highland County?
Between 2014 and 2025, Highland County recorded 547 outage events, averaging 3.0 hours each.
What is Highland County's reliability grade?
Highland County has a Reliability Grade of C, in the 44th national percentile.
What was the worst power outage in Highland County?
The worst outage on record started June 10, 2020 (Thunderstorm Wind), lasting 28 hours and affecting up to 6,874 customers.