Lehigh 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 |
|---|---|---|---|
| Nov 7, 2022 | 3 hrs | 28,690 (14%) | Unnamed event |
| Jun 26, 2024 | 31 hrs | 24,734 (12%) | Thunderstorm Wind |
| Aug 8, 2023 | 4 hrs | 24,460 (12%) | Thunderstorm Wind |
| Aug 7, 2023 | 1 hrs | 22,622 (11%) | Thunderstorm Wind |
| Jan 26, 2020 | 0 hrs | 21,082 (10%) | Unnamed event |
Over the 12 years from 2014 to 2025, Lehigh County recorded 1,957 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Lehigh County started November 7, 2022, lasting 3 hours and leaving up to 28,690 customers without power (14% of the county) at its peak.
July has historically been the worst month for outages in Lehigh County, with 216 events recorded during that month across the dataset.
Based on this history, Lehigh County earns a Reliability Grade of B, placing it in the 72nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lehigh County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Lehigh County.
| County | Grade | National percentile |
|---|---|---|
| Somerset County | B | 70th |
| Cumberland County | B | 75th |
| Lackawanna County | B | 68th |
| Blair County | B | 67th |
| Snyder County | B | 67th |
FAQ
How often does power go out in Lehigh County?
Between 2014 and 2025, Lehigh County recorded 1,957 outage events, averaging 2.1 hours each.
What is Lehigh County's reliability grade?
Lehigh County has a Reliability Grade of B, in the 72nd national percentile.
What was the worst power outage in Lehigh County?
The worst outage on record started November 7, 2022, lasting 3 hours and affecting up to 28,690 customers.