Gloucester 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 | 81,657 (50%) | Heat |
| Jun 24, 2015 | 23 hrs | 77,079 (47%) | Heat |
| Jun 25, 2015 | 1 hrs | 59,132 (36%) | Heat |
| Jun 25, 2015 | 1 hrs | 58,832 (36%) | Heat |
| Jun 25, 2015 | 0 hrs | 57,848 (36%) | Heat |
Over the 12 years from 2014 to 2025, Gloucester County recorded 1,526 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Gloucester County started June 23, 2015 (Heat), lasting 19 hours and leaving up to 81,657 customers without power (50% of the county) at its peak.
July has historically been the worst month for outages in Gloucester County, with 200 events recorded during that month across the dataset.
Based on this history, Gloucester County earns a Reliability Grade of D, placing it in the 39th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Gloucester County's outage profile
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Similar counties in New Jersey
Counties with the closest reliability grade and national percentile to Gloucester County.
| County | Grade | National percentile |
|---|---|---|
| Salem County | D | 35th |
| Ocean County | D | 35th |
| Cape May County | D | 35th |
| Burlington County | D | 32nd |
| Somerset County | C | 47th |
FAQ
How often does power go out in Gloucester County?
Between 2014 and 2025, Gloucester County recorded 1,526 outage events, averaging 1.8 hours each.
What is Gloucester County's reliability grade?
Gloucester County has a Reliability Grade of D, in the 39th national percentile.
What was the worst power outage in Gloucester County?
The worst outage on record started June 23, 2015 (Heat), lasting 19 hours and affecting up to 81,657 customers.