Perry 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 |
|---|---|---|---|
| Mar 27, 2023 | <1 hr | 13,579 (63%) | Unnamed event |
| May 5, 2020 | 2 hrs | 11,237 (52%) | Unnamed event |
| Feb 13, 2017 | 23 hrs | 10,954 (51%) | Winter Storm |
| Jul 5, 2020 | 3 hrs | 9,828 (45%) | Unnamed event |
| Aug 12, 2020 | <1 hr | 8,204 (38%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Perry County, Pennsylvania that day.
Over the 12 years from 2014 to 2025, Perry County recorded 1,094 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Perry County started March 27, 2023, lasting less than 1 hour and leaving up to 13,579 customers without power (63% of the county) at its peak.
June has historically been the worst month for outages in Perry County, with 131 events recorded during that month across the dataset.
Based on this history, Perry County earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Perry County.
| County | Grade | National percentile |
|---|---|---|
| Chester County | D | 23rd |
| Armstrong County | D | 23rd |
| Venango County | D | 24th |
| Bucks County | D | 24th |
| Columbia County | D | 27th |
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 Perry County?
Between 2014 and 2025, Perry County recorded 1,094 outage events, averaging 2.8 hours each.
What is Perry County's reliability grade?
Perry County has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Perry County?
The worst outage on record started March 27, 2023, lasting less than 1 hour and affecting up to 13,579 customers.