Richmond 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 4, 2020 | 137 hrs | 37,990 (21%) | Hurricane Isaias |
| Jul 25, 2025 | 14 hrs | 20,558 (11%) | Thunderstorm Wind |
| Jul 20, 2015 | 21 hrs | 20,244 (11%) | Unnamed event |
| Aug 29, 2022 | 4 hrs | 17,760 (10%) | Unnamed event |
| Feb 9, 2021 | 1 hrs | 11,414 (6%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Richmond County, New York that day.
Over the 12 years from 2014 to 2025, Richmond County recorded 723 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Richmond County started August 4, 2020 (Hurricane Isaias), lasting 137 hours and leaving up to 37,990 customers without power (21% of the county) at its peak.
August has historically been the worst month for outages in Richmond County, with 93 events recorded during that month across the dataset.
Based on this history, Richmond County earns a Reliability Grade of A, placing it in the 84th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in New York
Counties with the closest reliability grade and national percentile to Richmond County.
| County | Grade | National percentile |
|---|---|---|
| Queens County | A | 91st |
| Onondaga County | B | 76th |
| Bronx County | A | 93rd |
| Kings County | A | 95th |
| Ontario County | B | 71st |
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 Richmond County?
Between 2014 and 2025, Richmond County recorded 723 outage events, averaging 1.7 hours each.
What is Richmond County's reliability grade?
Richmond County has a Reliability Grade of A, in the 84th national percentile.
What was the worst power outage in Richmond County?
The worst outage on record started August 4, 2020 (Hurricane Isaias), lasting 137 hours and affecting up to 37,990 customers.