Calloway County Power Outage History
2017–2025 · Kentucky
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 |
|---|---|---|---|
| May 26, 2024 | 86 hrs | 8,654 (34%) | Tornado |
| May 4, 2021 | 17 hrs | 8,627 (34%) | Hail |
| Jan 22, 2025 | 1 hrs | 6,930 (27%) | Cold/Wind Chill |
| Sep 28, 2019 | 2 hrs | 6,130 (24%) | Unnamed event |
| Aug 20, 2018 | 2 hrs | 6,116 (24%) | Unnamed event |
Over the 9 years from 2017 to 2025, Calloway County recorded 347 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Calloway County started May 26, 2024 (Tornado), lasting 86 hours and leaving up to 8,654 customers without power (34% of the county) at its peak.
May has historically been the worst month for outages in Calloway County, with 49 events recorded during that month across the dataset.
Based on this history, Calloway County earns a Reliability Grade of C, placing it in the 49th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Calloway County's outage profile
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Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Calloway County.
| County | Grade | National percentile |
|---|---|---|
| Grant County | C | 48th |
| Caldwell County | C | 48th |
| Knox County | C | 48th |
| Livingston County | C | 50th |
| Jefferson County | C | 48th |
FAQ
How often does power go out in Calloway County?
Between 2017 and 2025, Calloway County recorded 347 outage events, averaging 2.7 hours each.
What is Calloway County's reliability grade?
Calloway County has a Reliability Grade of C, in the 49th national percentile.
What was the worst power outage in Calloway County?
The worst outage on record started May 26, 2024 (Tornado), lasting 86 hours and affecting up to 8,654 customers.