Lebanon 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 |
|---|---|---|---|
| Feb 7, 2020 | 3 hrs | 56,992 (82%) | Unnamed event |
| May 26, 2021 | 3 hrs | 25,280 (36%) | Thunderstorm Wind |
| Nov 5, 2017 | 1 hrs | 23,042 (33%) | High Wind |
| Apr 15, 2019 | 10 hrs | 22,903 (33%) | Unnamed event |
| Nov 5, 2017 | 18 hrs | 18,648 (27%) | High Wind |
Over the 12 years from 2014 to 2025, Lebanon County recorded 845 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Lebanon County started February 7, 2020, lasting 3 hours and leaving up to 56,992 customers without power (82% of the county) at its peak.
July has historically been the worst month for outages in Lebanon County, with 96 events recorded during that month across the dataset.
Based on this history, Lebanon County earns a Reliability Grade of C, placing it in the 58th 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 Lebanon County.
| County | Grade | National percentile |
|---|---|---|
| Northumberland County | C | 58th |
| Lycoming County | C | 59th |
| Lawrence County | C | 60th |
| Adams County | C | 56th |
| York County | C | 56th |
FAQ
How often does power go out in Lebanon County?
Between 2014 and 2025, Lebanon County recorded 845 outage events, averaging 2.9 hours each.
What is Lebanon County's reliability grade?
Lebanon County has a Reliability Grade of C, in the 58th national percentile.
What was the worst power outage in Lebanon County?
The worst outage on record started February 7, 2020, lasting 3 hours and affecting up to 56,992 customers.