Orange County Power Outage History
2014–2025 · New York
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 15, 2018 | 98 hrs | 67,715 (38%) | Thunderstorm Wind |
| Aug 4, 2020 | 138 hrs | 66,763 (38%) | Hurricane Isaias |
| Dec 6, 2015 | 3 hrs | 38,907 (22%) | Unnamed event |
| Dec 6, 2015 | 1 hrs | 24,121 (14%) | Unnamed event |
| Dec 6, 2015 | 2 hrs | 20,733 (12%) | Unnamed event |
Over the 12 years from 2014 to 2025, Orange County recorded 2,657 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Orange County started May 15, 2018 (Thunderstorm Wind), lasting 98 hours and leaving up to 67,715 customers without power (38% of the county) at its peak.
July has historically been the worst month for outages in Orange County, with 329 events recorded during that month across the dataset.
Based on this history, Orange County earns a Reliability Grade of D, placing it in the 31st percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in New York
Counties with the closest reliability grade and national percentile to Orange County.
| County | Grade | National percentile |
|---|---|---|
| Allegany County | D | 31st |
| Steuben County | D | 29th |
| Wyoming County | D | 29th |
| Orleans County | D | 34th |
| Westchester County | D | 29th |
FAQ
How often does power go out in Orange County?
Between 2014 and 2025, Orange County recorded 2,657 outage events, averaging 2.4 hours each.
What is Orange County's reliability grade?
Orange County has a Reliability Grade of D, in the 31st national percentile.
What was the worst power outage in Orange County?
The worst outage on record started May 15, 2018 (Thunderstorm Wind), lasting 98 hours and affecting up to 67,715 customers.