PowerOutageHistory
C

Seneca County Power Outage History

20142025 · New York

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
559
Avg duration
3.1 hrs
Longest outage
57 hrs
National percentile
45th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 10, 20180 hrs16,568 (93%)Unnamed event
Mar 22, 20250 hrs4,519 (25%)Thunderstorm Wind
Jul 2, 20187 hrs3,975 (22%)Thunderstorm Wind
Jul 30, 20243 hrs3,862 (22%)Unnamed event
Aug 6, 20240 hrs3,318 (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

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides or the New York storm prep checklist.

Similar counties in New York

Counties with the closest reliability grade and national percentile to Seneca County.

CountyGradeNational percentile
Schenectady CountyC45th
Albany CountyC45th
Oswego CountyC43rd
Montgomery CountyC43rd
Oneida CountyC47th

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.