Gloucester CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
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 hr | 59,132 (36%) | Heat |
| Jun 25, 2015 | 1 hrs | 58,832 (36%) | Heat |
| Jun 25, 2015 | <1 hr | 57,848 (36%) | Heat |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Gloucester County, New Jersey that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.