Callaway County Power Outage History
2014–2025 · 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 |
|---|---|---|---|
| Feb 7, 2021 | 3 hrs | 4,341 (12%) | Unnamed event |
| Oct 21, 2022 | 1 hrs | 4,292 (12%) | Unnamed event |
| Sep 21, 2023 | 2 hrs | 4,257 (12%) | Unnamed event |
| Jul 13, 2023 | 8 hrs | 1,850 (5%) | Thunderstorm Wind |
| Dec 14, 2025 | 5 hrs | 1,728 (5%) | Unnamed event |
Over the 12 years from 2014 to 2025, Callaway County recorded 154 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Callaway County started February 7, 2021, lasting 3 hours and leaving up to 4,341 customers without power (12% of the county) at its peak.
June has historically been the worst month for outages in Callaway County, with 18 events recorded during that month across the dataset.
Based on this history, Callaway County earns a Reliability Grade of A, placing it in the 95th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Callaway County's outage profile
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Callaway County.
| County | Grade | National percentile |
|---|---|---|
| Livingston County | A | 95th |
| Pulaski County | A | 95th |
| Laclede County | A | 95th |
| Grundy County | A | 94th |
| Dunklin County | A | 94th |
FAQ
How often does power go out in Callaway County?
Between 2014 and 2025, Callaway County recorded 154 outage events, averaging 2.0 hours each.
What is Callaway County's reliability grade?
Callaway County has a Reliability Grade of A, in the 95th national percentile.
What was the worst power outage in Callaway County?
The worst outage on record started February 7, 2021, lasting 3 hours and affecting up to 4,341 customers.