Clarion 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 |
|---|---|---|---|
| Nov 15, 2020 | 19 hrs | 9,414 (42%) | Unnamed event |
| Apr 1, 2023 | 78 hrs | 9,312 (42%) | Strong Wind |
| May 1, 2017 | 52 hrs | 4,121 (18%) | Tornado |
| Mar 25, 2023 | 50 hrs | 3,626 (16%) | Strong Wind |
| Mar 7, 2022 | 8 hrs | 3,534 (16%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Clarion County recorded 791 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Clarion County started November 15, 2020, lasting 19 hours and leaving up to 9,414 customers without power (42% of the county) at its peak.
July has historically been the worst month for outages in Clarion County, with 91 events recorded during that month across the dataset.
Based on this history, Clarion County earns a Reliability Grade of D, placing it in the 29th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Clarion County.
| County | Grade | National percentile |
|---|---|---|
| Warren County | D | 28th |
| Jefferson County | D | 28th |
| Potter County | D | 30th |
| Montgomery County | D | 28th |
| McKean County | D | 27th |
FAQ
How often does power go out in Clarion County?
Between 2014 and 2025, Clarion County recorded 791 outage events, averaging 3.8 hours each.
What is Clarion County's reliability grade?
Clarion County has a Reliability Grade of D, in the 29th national percentile.
What was the worst power outage in Clarion County?
The worst outage on record started November 15, 2020, lasting 19 hours and affecting up to 9,414 customers.