PowerOutageHistory
D

Ocean County Power Outage History

20152025 · New Jersey

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
3,364
Avg duration
2.1 hrs
Longest outage
143 hrs
National percentile
35th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 4, 2020143 hrs216,332 (66%)Hurricane Isaias
Jan 23, 201648 hrs106,447 (33%)Winter Weather
Jul 22, 201972 hrs87,344 (27%)Flash Flood
Jul 9, 20172 hrs51,916 (16%)Unnamed event
Jun 3, 202035 hrs50,457 (15%)Thunderstorm Wind

Over the 11 years from 2015 to 2025, Ocean County recorded 3,364 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Ocean County started August 4, 2020 (Hurricane Isaias), lasting 143 hours and leaving up to 216,332 customers without power (66% of the county) at its peak.

July has historically been the worst month for outages in Ocean County, with 401 events recorded during that month across the dataset.

Based on this history, Ocean County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Ocean County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in New Jersey

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

CountyGradeNational percentile
Salem CountyD35th
Cape May CountyD35th
Burlington CountyD32nd
Gloucester CountyD39th
Monmouth CountyD26th

FAQ

How often does power go out in Ocean County?

Between 2015 and 2025, Ocean County recorded 3,364 outage events, averaging 2.1 hours each.

What is Ocean County's reliability grade?

Ocean County has a Reliability Grade of D, in the 35th national percentile.

What was the worst power outage in Ocean County?

The worst outage on record started August 4, 2020 (Hurricane Isaias), lasting 143 hours and affecting up to 216,332 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.