Bronx 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 | 181 hrs | 23,271 (4%) | Hurricane Isaias |
| Jan 4, 2018 | 3 hrs | 13,293 (3%) | Winter Storm |
| Jun 23, 2025 | 10 hrs | 10,211 (2%) | Unnamed event |
| Apr 3, 2024 | 28 hrs | 8,914 (2%) | High Wind |
| Jan 27, 2023 | 2 hrs | 8,181 (2%) | Unnamed event |
Over the 12 years from 2014 to 2025, Bronx County recorded 996 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Bronx County started August 4, 2020 (Hurricane Isaias), lasting 181 hours and leaving up to 23,271 customers without power (4% of the county) at its peak.
July has historically been the worst month for outages in Bronx County, with 140 events recorded during that month across the dataset.
Based on this history, Bronx County earns a Reliability Grade of A, placing it in the 93rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Bronx County's outage profile
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Similar counties in New York
Counties with the closest reliability grade and national percentile to Bronx County.
| County | Grade | National percentile |
|---|---|---|
| Queens County | A | 91st |
| Kings County | A | 95th |
| New York County | A | 99th |
| Richmond County | A | 84th |
| Onondaga County | B | 76th |
FAQ
How often does power go out in Bronx County?
Between 2014 and 2025, Bronx County recorded 996 outage events, averaging 2.8 hours each.
What is Bronx County's reliability grade?
Bronx County has a Reliability Grade of A, in the 93rd national percentile.
What was the worst power outage in Bronx County?
The worst outage on record started August 4, 2020 (Hurricane Isaias), lasting 181 hours and affecting up to 23,271 customers.