Vernon County Power Outage History
2015–2025 · Missouri
Average — typical outage frequency and duration nationally. How grades are calculated
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 hrs | 4,031 (32%) | Unnamed event |
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).
Sized for Vernon County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
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 |
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.