Vernon CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 10, 2020 | 4 hrs | 6,744 (53%) | Unnamed event |
| Jul 31, 2023 | 39 hrs | 5,566 (44%) | Drought |
| Apr 2, 2025 | 36 hrs | 5,481 (43%) | Tornado |
| Sep 11, 2015 | 7 hrs | 4,345 (34%) | Unnamed event |
| Sep 22, 2021 | <1 hr | 4,031 (32%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Vernon County, Missouri that day.
Over the 11 years from 2015 to 2025, Vernon County recorded 695 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Vernon County started November 10, 2020, lasting 4 hours and leaving up to 6,744 customers without power (53% of the county) at its peak.
September has historically been the worst month for outages in Vernon County, with 91 events recorded during that month across the dataset.
Based on this history, Vernon County earns a Reliability Grade of C, placing it in the 54th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Vernon County.
| County | Grade | National percentile |
|---|---|---|
| Christian County | C | 53rd |
| Ozark County | C | 53rd |
| Jefferson County | C | 54th |
| Stoddard County | C | 55th |
| Pemiscot County | C | 55th |
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 Vernon County?
Between 2015 and 2025, Vernon County recorded 695 outage events, averaging 2.4 hours each.
What is Vernon County's reliability grade?
Vernon County has a Reliability Grade of C, in the 54th national percentile.
What was the worst power outage in Vernon County?
The worst outage on record started November 10, 2020, lasting 4 hours and affecting up to 6,744 customers.