PowerOutageHistory
C

Rockland County Power Outage History

20142025 · New York

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
1,617
Avg duration
1.7 hrs
Longest outage
139 hrs
National percentile
49th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 4, 2020139 hrs59,913 (45%)Hurricane Isaias
Mar 7, 201824 hrs24,113 (18%)High Wind
Mar 2, 20183 hrs22,426 (17%)High Wind
Mar 8, 20182 hrs19,624 (15%)High Wind
Mar 9, 20183 hrs18,728 (14%)High Wind

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).

Sized for Rockland County's outage profile

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Outage-prep kit

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Similar counties in New York

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

CountyGradeNational percentile
Monroe CountyC48th
Cayuga CountyC50th
Wayne CountyC50th
Oneida CountyC47th
Jefferson CountyC51st

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.

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.