Richmond County Power Outage History
2014–2025 · New York
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
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 |
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).
Sized for Richmond 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 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 |
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.