New York CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 7, 2020 | 3 hrs | 137,473 (16%) | Hurricane Isaias |
| Apr 20, 2022 | <1 hr | 2,213 (0%) | Unnamed event |
| Jul 1, 2021 | 10 hrs | 2,003 (0%) | Thunderstorm Wind |
| Jul 1, 2021 | 2 hrs | 1,914 (0%) | Thunderstorm Wind |
| Jul 2, 2022 | 17 hrs | 1,380 (0%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for New York County, New York that day.
Over the 11 years from 2015 to 2025, New York County recorded 304 distinct power outage events, averaging 3.9 hours per event.
The single worst outage on record in New York County started August 7, 2020 (Hurricane Isaias), lasting 3 hours and leaving up to 137,473 customers without power (16% of the county) at its peak.
February has historically been the worst month for outages in New York County, with 58 events recorded during that month across the dataset.
Based on this history, New York County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in New York
Counties with the closest reliability grade and national percentile to New York County.
| County | Grade | National percentile |
|---|---|---|
| Kings County | A | 95th |
| Bronx County | A | 93rd |
| Queens County | A | 91st |
| Richmond County | A | 84th |
| Onondaga County | B | 76th |
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 New York County?
Between 2015 and 2025, New York County recorded 304 outage events, averaging 3.9 hours each.
What is New York County's reliability grade?
New York County has a Reliability Grade of A, in the 99th national percentile.
What was the worst power outage in New York County?
The worst outage on record started August 7, 2020 (Hurricane Isaias), lasting 3 hours and affecting up to 137,473 customers.