Somerset County Power Outage History
2014–2025 · Pennsylvania
Better than average — fewer or shorter 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 |
|---|---|---|---|
| Apr 8, 2020 | 35 hrs | 9,603 (22%) | Thunderstorm Wind |
| May 28, 2018 | 1 hrs | 6,593 (15%) | Unnamed event |
| Apr 26, 2019 | 1 hrs | 5,828 (14%) | Unnamed event |
| Nov 15, 2020 | 17 hrs | 4,808 (11%) | Thunderstorm Wind |
| Aug 10, 2016 | 3 hrs | 4,435 (10%) | Unnamed event |
Over the 12 years from 2014 to 2025, Somerset County recorded 705 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Somerset County started April 8, 2020 (Thunderstorm Wind), lasting 35 hours and leaving up to 9,603 customers without power (22% of the county) at its peak.
April has historically been the worst month for outages in Somerset County, with 97 events recorded during that month across the dataset.
Based on this history, Somerset County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Somerset County's outage profile
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Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Somerset County.
| County | Grade | National percentile |
|---|---|---|
| Lehigh County | B | 72nd |
| Lackawanna County | B | 68th |
| Blair County | B | 67th |
| Snyder County | B | 67th |
| Cumberland County | B | 75th |
FAQ
How often does power go out in Somerset County?
Between 2014 and 2025, Somerset County recorded 705 outage events, averaging 2.5 hours each.
What is Somerset County's reliability grade?
Somerset County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Somerset County?
The worst outage on record started April 8, 2020 (Thunderstorm Wind), lasting 35 hours and affecting up to 9,603 customers.