Dunklin County Power Outage History
2015–2025 · Missouri
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 4, 2020 | 7 hrs | 2,978 (13%) | Thunderstorm Wind |
| Mar 31, 2020 | 2 hrs | 1,649 (7%) | Unnamed event |
| Apr 6, 2016 | 3 hrs | 1,054 (4%) | Unnamed event |
| Mar 7, 2016 | 0 hrs | 1,054 (4%) | Unnamed event |
| Oct 28, 2015 | 2 hrs | 1,054 (4%) | Unnamed event |
Over the 11 years from 2015 to 2025, Dunklin County recorded 129 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Dunklin County started May 4, 2020 (Thunderstorm Wind), lasting 7 hours and leaving up to 2,978 customers without power (13% of the county) at its peak.
July has historically been the worst month for outages in Dunklin County, with 24 events recorded during that month across the dataset.
Based on this history, Dunklin County earns a Reliability Grade of A, placing it in the 94th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Dunklin County's outage profile
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Dunklin County.
| County | Grade | National percentile |
|---|---|---|
| Grundy County | A | 94th |
| Laclede County | A | 95th |
| Pulaski County | A | 95th |
| Livingston County | A | 95th |
| Callaway County | A | 95th |
FAQ
How often does power go out in Dunklin County?
Between 2015 and 2025, Dunklin County recorded 129 outage events, averaging 2.5 hours each.
What is Dunklin County's reliability grade?
Dunklin County has a Reliability Grade of A, in the 94th national percentile.
What was the worst power outage in Dunklin County?
The worst outage on record started May 4, 2020 (Thunderstorm Wind), lasting 7 hours and affecting up to 2,978 customers.