Berks County Power Outage History
2014–2025 · 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 |
|---|---|---|---|
| Jun 3, 2020 | 76 hrs | 34,299 (16%) | Thunderstorm Wind |
| Aug 4, 2020 | 85 hrs | 26,109 (12%) | Tropical Storm Isaias |
| Jun 12, 2015 | 17 hrs | 16,491 (8%) | Thunderstorm Wind |
| Apr 15, 2025 | 53 hrs | 16,476 (8%) | Thunderstorm Wind |
| Apr 22, 2023 | 36 hrs | 15,532 (7%) | Tornado |
Over the 12 years from 2014 to 2025, Berks County recorded 2,565 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Berks County started June 3, 2020 (Thunderstorm Wind), lasting 76 hours and leaving up to 34,299 customers without power (16% of the county) at its peak.
June has historically been the worst month for outages in Berks County, with 351 events recorded during that month across the dataset.
Based on this history, Berks County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Berks County's outage profile
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Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Berks County.
| County | Grade | National percentile |
|---|---|---|
| Schuylkill County | C | 48th |
| Mifflin County | C | 49th |
| Northampton County | C | 46th |
| Fulton County | C | 46th |
| Carbon County | C | 45th |
FAQ
How often does power go out in Berks County?
Between 2014 and 2025, Berks County recorded 2,565 outage events, averaging 3.4 hours each.
What is Berks County's reliability grade?
Berks County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Berks County?
The worst outage on record started June 3, 2020 (Thunderstorm Wind), lasting 76 hours and affecting up to 34,299 customers.