Bergen CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 4, 2020 | 155 hrs | 140,979 (33%) | Hurricane Isaias |
| Aug 20, 2015 | <1 hr | 93,114 (22%) | Unnamed event |
| Mar 7, 2018 | 120 hrs | 45,405 (11%) | Winter Weather |
| Jun 18, 2020 | 2 hrs | 36,906 (9%) | Unnamed event |
| Dec 25, 2020 | 44 hrs | 19,790 (5%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Bergen County, New Jersey that day.
Over the 12 years from 2014 to 2025, Bergen County recorded 4,059 distinct power outage events, averaging 1.4 hours per event.
The single worst outage on record in Bergen County started August 4, 2020 (Hurricane Isaias), lasting 155 hours and leaving up to 140,979 customers without power (33% of the county) at its peak.
June has historically been the worst month for outages in Bergen County, with 514 events recorded during that month across the dataset.
Based on this history, Bergen County earns a Reliability Grade of C, placing it in the 59th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in New Jersey
Counties with the closest reliability grade and national percentile to Bergen County.
| County | Grade | National percentile |
|---|---|---|
| Union County | C | 60th |
| Mercer County | B | 62nd |
| Passaic County | C | 56th |
| Essex County | B | 63rd |
| Atlantic County | B | 67th |
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 Bergen County?
Between 2014 and 2025, Bergen County recorded 4,059 outage events, averaging 1.4 hours each.
What is Bergen County's reliability grade?
Bergen County has a Reliability Grade of C, in the 59th national percentile.
What was the worst power outage in Bergen County?
The worst outage on record started August 4, 2020 (Hurricane Isaias), lasting 155 hours and affecting up to 140,979 customers.