Perry CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 9, 2025 | 82 hrs | 8,489 (36%) | Ice Storm |
| Jan 5, 2025 | 38 hrs | 7,233 (31%) | Ice Storm |
| Jan 7, 2025 | 53 hrs | 4,299 (18%) | Ice Storm |
| May 22, 2019 | 4 hrs | 4,252 (18%) | Unnamed event |
| Apr 25, 2023 | 3 hrs | 3,033 (13%) | Strong Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Perry County, Missouri that day.
Over the 9 years from 2017 to 2025, Perry County recorded 320 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Perry County started January 9, 2025 (Ice Storm), lasting 82 hours and leaving up to 8,489 customers without power (36% of the county) at its peak.
January has historically been the worst month for outages in Perry County, with 36 events recorded during that month across the dataset.
Based on this history, Perry County earns a Reliability Grade of B, placing it in the 63rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Perry County.
| County | Grade | National percentile |
|---|---|---|
| St. Francois County | B | 64th |
| Barry County | B | 63rd |
| Ripley County | B | 63rd |
| Carroll County | B | 64th |
| Mississippi County | B | 65th |
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 2017 and 2025, Perry County recorded 320 outage events, averaging 3.2 hours each.
What is Perry County's reliability grade?
Perry County has a Reliability Grade of B, in the 63rd national percentile.
What was the worst power outage in Perry County?
The worst outage on record started January 9, 2025 (Ice Storm), lasting 82 hours and affecting up to 8,489 customers.