Spencer County Power Outage History
2015–2025 · 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 |
|---|---|---|---|
| Mar 3, 2023 | 100 hrs | 6,094 (64%) | High Wind |
| Jul 20, 2017 | 1 hrs | 5,930 (62%) | Unnamed event |
| Nov 9, 2017 | 3 hrs | 4,360 (46%) | Unnamed event |
| Feb 7, 2022 | 0 hrs | 4,055 (43%) | Unnamed event |
| May 17, 2025 | 39 hrs | 3,817 (40%) | Thunderstorm Wind |
Over the 11 years from 2015 to 2025, Spencer County recorded 667 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Spencer County started March 3, 2023 (High Wind), lasting 100 hours and leaving up to 6,094 customers without power (64% of the county) at its peak.
January has historically been the worst month for outages in Spencer County, with 80 events recorded during that month across the dataset.
Based on this history, Spencer County earns a Reliability Grade of C, placing it in the 41st percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Kentucky
Counties with the closest reliability grade and national percentile to Spencer County.
| County | Grade | National percentile |
|---|---|---|
| Warren County | C | 40th |
| Pendleton County | D | 40th |
| Gallatin County | C | 42nd |
| Lincoln County | C | 42nd |
| Nicholas County | D | 39th |
FAQ
How often does power go out in Spencer County?
Between 2015 and 2025, Spencer County recorded 667 outage events, averaging 2.3 hours each.
What is Spencer County's reliability grade?
Spencer County has a Reliability Grade of C, in the 41st national percentile.
What was the worst power outage in Spencer County?
The worst outage on record started March 3, 2023 (High Wind), lasting 100 hours and affecting up to 6,094 customers.