PowerOutageHistory
D

Wyoming County Power Outage History

20142025 · New York

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
572
Avg duration
3.0 hrs
Longest outage
85 hrs
National percentile
29th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 10, 20180 hrs13,288 (62%)Thunderstorm Wind
Mar 8, 201785 hrs9,346 (44%)High Wind
Jul 4, 20174 hrs7,932 (37%)Unnamed event
Jun 21, 20160 hrs4,689 (22%)Thunderstorm Wind
Jun 21, 20160 hrs4,688 (22%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Wyoming County recorded 572 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Wyoming County started July 10, 2018 (Thunderstorm Wind), lasting 0 hours and leaving up to 13,288 customers without power (62% of the county) at its peak.

June has historically been the worst month for outages in Wyoming County, with 91 events recorded during that month across the dataset.

Based on this history, Wyoming County earns a Reliability Grade of D, placing it in the 29th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Wyoming 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.

Similar counties in New York

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

CountyGradeNational percentile
Steuben CountyD29th
Westchester CountyD29th
Lewis CountyD29th
Allegany CountyD31st
Orange CountyD31st

FAQ

How often does power go out in Wyoming County?

Between 2014 and 2025, Wyoming County recorded 572 outage events, averaging 3.0 hours each.

What is Wyoming County's reliability grade?

Wyoming County has a Reliability Grade of D, in the 29th national percentile.

What was the worst power outage in Wyoming County?

The worst outage on record started July 10, 2018 (Thunderstorm Wind), lasting 0 hours and affecting up to 13,288 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.