McKean County Power Outage History
2014–2025 · Pennsylvania
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 27, 2020 | 66 hrs | 10,953 (46%) | Thunderstorm Wind |
| May 1, 2017 | 52 hrs | 8,359 (35%) | Thunderstorm Wind |
| Oct 21, 2020 | 7 hrs | 6,451 (27%) | Drought |
| Jul 14, 2025 | 0 hrs | 6,214 (26%) | Unnamed event |
| Nov 15, 2020 | 17 hrs | 5,464 (23%) | Drought |
Over the 12 years from 2014 to 2025, McKean County recorded 791 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in McKean County started August 27, 2020 (Thunderstorm Wind), lasting 66 hours and leaving up to 10,953 customers without power (46% of the county) at its peak.
June has historically been the worst month for outages in McKean County, with 100 events recorded during that month across the dataset.
Based on this history, McKean County earns a Reliability Grade of D, placing it in the 27th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for McKean County's outage profile
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Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to McKean County.
| County | Grade | National percentile |
|---|---|---|
| Montgomery County | D | 28th |
| Columbia County | D | 27th |
| Jefferson County | D | 28th |
| Warren County | D | 28th |
| Clarion County | D | 29th |
FAQ
How often does power go out in McKean County?
Between 2014 and 2025, McKean County recorded 791 outage events, averaging 3.6 hours each.
What is McKean County's reliability grade?
McKean County has a Reliability Grade of D, in the 27th national percentile.
What was the worst power outage in McKean County?
The worst outage on record started August 27, 2020 (Thunderstorm Wind), lasting 66 hours and affecting up to 10,953 customers.