Tioga County Power Outage History
2016–2025 · Pennsylvania
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 |
|---|---|---|---|
| May 4, 2018 | 6 hrs | 5,508 (20%) | Thunderstorm Wind |
| Feb 3, 2023 | 28 hrs | 4,868 (18%) | Unnamed event |
| Mar 2, 2018 | 4 hrs | 4,595 (17%) | Unnamed event |
| Dec 23, 2020 | 7 hrs | 4,459 (17%) | Winter Storm |
| Oct 3, 2019 | 10 hrs | 4,455 (17%) | Unnamed event |
Over the 10 years from 2016 to 2025, Tioga County recorded 681 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Tioga County started May 4, 2018 (Thunderstorm Wind), lasting 6 hours and leaving up to 5,508 customers without power (20% of the county) at its peak.
July has historically been the worst month for outages in Tioga County, with 84 events recorded during that month across the dataset.
Based on this history, Tioga County earns a Reliability Grade of C, placing it in the 41st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tioga County's outage profile
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Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Tioga County.
| County | Grade | National percentile |
|---|---|---|
| Westmoreland County | C | 41st |
| Allegheny County | C | 42nd |
| Beaver County | C | 41st |
| Fayette County | C | 41st |
| Juniata County | C | 43rd |
FAQ
How often does power go out in Tioga County?
Between 2016 and 2025, Tioga County recorded 681 outage events, averaging 4.1 hours each.
What is Tioga County's reliability grade?
Tioga County has a Reliability Grade of C, in the 41st national percentile.
What was the worst power outage in Tioga County?
The worst outage on record started May 4, 2018 (Thunderstorm Wind), lasting 6 hours and affecting up to 5,508 customers.