Seneca County Power Outage History
2014–2025 · New York
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 10, 2018 | 0 hrs | 16,568 (93%) | Unnamed event |
| Mar 22, 2025 | 0 hrs | 4,519 (25%) | Thunderstorm Wind |
| Jul 2, 2018 | 7 hrs | 3,975 (22%) | Thunderstorm Wind |
| Jul 30, 2024 | 3 hrs | 3,862 (22%) | Unnamed event |
| Aug 6, 2024 | 0 hrs | 3,318 (19%) | Unnamed event |
Over the 12 years from 2014 to 2025, Seneca County recorded 559 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Seneca County started July 10, 2018, lasting 0 hours and leaving up to 16,568 customers without power (93% of the county) at its peak.
June has historically been the worst month for outages in Seneca County, with 85 events recorded during that month across the dataset.
Based on this history, Seneca County earns a Reliability Grade of C, placing it in the 45th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Seneca County's outage profile
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Similar counties in New York
Counties with the closest reliability grade and national percentile to Seneca County.
| County | Grade | National percentile |
|---|---|---|
| Schenectady County | C | 45th |
| Albany County | C | 45th |
| Oswego County | C | 43rd |
| Montgomery County | C | 43rd |
| Oneida County | C | 47th |
FAQ
How often does power go out in Seneca County?
Between 2014 and 2025, Seneca County recorded 559 outage events, averaging 3.1 hours each.
What is Seneca County's reliability grade?
Seneca County has a Reliability Grade of C, in the 45th national percentile.
What was the worst power outage in Seneca County?
The worst outage on record started July 10, 2018, lasting 0 hours and affecting up to 16,568 customers.

