Wyoming CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 10, 2018 | <1 hr | 13,288 (62%) | Thunderstorm Wind |
| Mar 8, 2017 | 85 hrs | 9,346 (44%) | High Wind |
| Jul 4, 2017 | 4 hrs | 7,932 (37%) | Unnamed event |
| Jun 21, 2016 | <1 hr | 4,689 (22%) | Thunderstorm Wind |
| Jun 21, 2016 | <1 hr | 4,688 (22%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Wyoming County, New York that day.
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 less than 1 hour 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).
Similar counties in New York
Counties with the closest reliability grade and national percentile to Wyoming County.
| County | Grade | National percentile |
|---|---|---|
| Steuben County | D | 29th |
| Westchester County | D | 29th |
| Lewis County | D | 29th |
| Allegany County | D | 31st |
| Orange County | D | 31st |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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 less than 1 hour and affecting up to 13,288 customers.