Salem County Power Outage History
2014–2025 · New Jersey
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Jun 23, 2015 | 19 hrs | 15,558 (43%) | Heat |
| Jun 24, 2015 | 23 hrs | 14,802 (40%) | Heat |
| Mar 21, 2018 | 43 hrs | 10,232 (28%) | Winter Storm |
| Mar 14, 2017 | 37 hrs | 9,861 (27%) | Unnamed event |
| Jun 25, 2015 | 51 hrs | 8,440 (23%) | Heat |
Over the 12 years from 2014 to 2025, Salem County recorded 644 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Salem County started June 23, 2015 (Heat), lasting 19 hours and leaving up to 15,558 customers without power (43% of the county) at its peak.
July has historically been the worst month for outages in Salem County, with 98 events recorded during that month across the dataset.
Based on this history, Salem County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in New Jersey
Counties with the closest reliability grade and national percentile to Salem County.
| County | Grade | National percentile |
|---|---|---|
| Ocean County | D | 35th |
| Cape May County | D | 35th |
| Gloucester County | D | 39th |
| Burlington County | D | 32nd |
| Monmouth County | D | 26th |
FAQ
How often does power go out in Salem County?
Between 2014 and 2025, Salem County recorded 644 outage events, averaging 2.3 hours each.
What is Salem County's reliability grade?
Salem County has a Reliability Grade of D, in the 35th national percentile.
What was the worst power outage in Salem County?
The worst outage on record started June 23, 2015 (Heat), lasting 19 hours and affecting up to 15,558 customers.