Rockland 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 | 139 hrs | 59,913 (45%) | Hurricane Isaias |
| Mar 7, 2018 | 24 hrs | 24,113 (18%) | High Wind |
| Mar 2, 2018 | 3 hrs | 22,426 (17%) | High Wind |
| Mar 8, 2018 | 2 hrs | 19,624 (15%) | High Wind |
| Mar 9, 2018 | 3 hrs | 18,728 (14%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Rockland County, New York that day.
Over the 12 years from 2014 to 2025, Rockland County recorded 1,617 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Rockland County started August 4, 2020 (Hurricane Isaias), lasting 139 hours and leaving up to 59,913 customers without power (45% of the county) at its peak.
March has historically been the worst month for outages in Rockland County, with 209 events recorded during that month across the dataset.
Based on this history, Rockland County earns a Reliability Grade of C, placing it in the 49th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in New York
Counties with the closest reliability grade and national percentile to Rockland County.
| County | Grade | National percentile |
|---|---|---|
| Monroe County | C | 48th |
| Cayuga County | C | 50th |
| Wayne County | C | 50th |
| Oneida County | C | 47th |
| Jefferson County | C | 51st |
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 Rockland County?
Between 2014 and 2025, Rockland County recorded 1,617 outage events, averaging 1.7 hours each.
What is Rockland County's reliability grade?
Rockland County has a Reliability Grade of C, in the 49th national percentile.
What was the worst power outage in Rockland County?
The worst outage on record started August 4, 2020 (Hurricane Isaias), lasting 139 hours and affecting up to 59,913 customers.