PowerOutageHistory
B

Atlantic County Power Outage History

20142025 · New Jersey

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
1,278
Avg duration
1.9 hrs
Longest outage
112 hrs
National percentile
67th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 4, 2020112 hrs57,544 (34%)Tropical Storm Isaias
Jun 23, 201519 hrs21,735 (13%)Heat
Dec 8, 20140 hrs16,943 (10%)Strong Wind
Apr 22, 20151 hrs15,929 (10%)Strong Wind
Apr 13, 202036 hrs14,987 (9%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Atlantic County recorded 1,278 distinct power outage events, averaging 1.9 hours per event.

The single worst outage on record in Atlantic County started August 4, 2020 (Tropical Storm Isaias), lasting 112 hours and leaving up to 57,544 customers without power (34% of the county) at its peak.

July has historically been the worst month for outages in Atlantic County, with 135 events recorded during that month across the dataset.

Based on this history, Atlantic County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Atlantic 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 New Jersey

Counties with the closest reliability grade and national percentile to Atlantic County.

CountyGradeNational percentile
Middlesex CountyB69th
Essex CountyB63rd
Cumberland CountyB71st
Mercer CountyB62nd
Union CountyC60th

FAQ

How often does power go out in Atlantic County?

Between 2014 and 2025, Atlantic County recorded 1,278 outage events, averaging 1.9 hours each.

What is Atlantic County's reliability grade?

Atlantic County has a Reliability Grade of B, in the 67th national percentile.

What was the worst power outage in Atlantic County?

The worst outage on record started August 4, 2020 (Tropical Storm Isaias), lasting 112 hours and affecting up to 57,544 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.