Henderson 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 |
|---|---|---|---|
| Jan 5, 2025 | 99 hrs | 10,749 (46%) | Ice Storm |
| Mar 29, 2020 | 28 hrs | 8,164 (35%) | Tornado |
| Nov 10, 2025 | 1 hrs | 4,900 (21%) | Unnamed event |
| Mar 9, 2022 | 2 hrs | 4,472 (19%) | Thunderstorm Wind |
| Nov 15, 2018 | 1 hrs | 4,288 (19%) | Winter Weather |
Over the 11 years from 2015 to 2025, Henderson County recorded 429 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Henderson County started January 5, 2025 (Ice Storm), lasting 99 hours and leaving up to 10,749 customers without power (46% of the county) at its peak.
July has historically been the worst month for outages in Henderson County, with 53 events recorded during that month across the dataset.
Based on this history, Henderson County earns a Reliability Grade of C, placing it in the 57th 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 Henderson County.
| County | Grade | National percentile |
|---|---|---|
| Clark County | C | 58th |
| Scott County | C | 58th |
| Morgan County | C | 57th |
| Marshall County | C | 56th |
| Crittenden County | C | 56th |
FAQ
How often does power go out in Henderson County?
Between 2015 and 2025, Henderson County recorded 429 outage events, averaging 1.9 hours each.
What is Henderson County's reliability grade?
Henderson County has a Reliability Grade of C, in the 57th national percentile.
What was the worst power outage in Henderson County?
The worst outage on record started January 5, 2025 (Ice Storm), lasting 99 hours and affecting up to 10,749 customers.