Clay County Power Outage History
2014–2025 · Missouri
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 8, 2022 | 44 hrs | 25,403 (17%) | Thunderstorm Wind |
| Oct 14, 2017 | 49 hrs | 21,211 (15%) | Thunderstorm Wind |
| Jun 18, 2017 | 65 hrs | 20,929 (14%) | Thunderstorm Wind |
| Aug 10, 2021 | 15 hrs | 20,234 (14%) | Unnamed event |
| Jul 23, 2017 | 64 hrs | 17,679 (12%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Clay County recorded 1,013 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Clay County started June 8, 2022 (Thunderstorm Wind), lasting 44 hours and leaving up to 25,403 customers without power (17% of the county) at its peak.
June has historically been the worst month for outages in Clay County, with 143 events recorded during that month across the dataset.
Based on this history, Clay County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Clay County's outage profile
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Outage-prep kit
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Clay County.
| County | Grade | National percentile |
|---|---|---|
| Clinton County | B | 65th |
| Miller County | B | 66th |
| Mississippi County | B | 65th |
| Maries County | B | 66th |
| Carroll County | B | 64th |
FAQ
How often does power go out in Clay County?
Between 2014 and 2025, Clay County recorded 1,013 outage events, averaging 2.4 hours each.
What is Clay County's reliability grade?
Clay County has a Reliability Grade of B, in the 66th national percentile.
What was the worst power outage in Clay County?
The worst outage on record started June 8, 2022 (Thunderstorm Wind), lasting 44 hours and affecting up to 25,403 customers.