Knox County Power Outage History
2014–2025 · Indiana
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 |
|---|---|---|---|
| Apr 9, 2020 | 73 hrs | 10,907 (50%) | Thunderstorm Wind |
| Jul 30, 2024 | 3 hrs | 6,507 (30%) | Thunderstorm Wind |
| Apr 2, 2022 | 1 hrs | 4,122 (19%) | Unnamed event |
| Apr 6, 2016 | 23 hrs | 3,600 (16%) | High Wind |
| Sep 26, 2024 | 1 hrs | 3,490 (16%) | Unnamed event |
Over the 12 years from 2014 to 2025, Knox County recorded 379 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Knox County started April 9, 2020 (Thunderstorm Wind), lasting 73 hours and leaving up to 10,907 customers without power (50% of the county) at its peak.
June has historically been the worst month for outages in Knox County, with 60 events recorded during that month across the dataset.
Based on this history, Knox County earns a Reliability Grade of C, placing it in the 46th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Knox County's outage profile
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Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Knox County.
| County | Grade | National percentile |
|---|---|---|
| Harrison County | C | 46th |
| Lawrence County | C | 47th |
| Marshall County | C | 45th |
| Benton County | C | 44th |
| Posey County | C | 44th |
FAQ
How often does power go out in Knox County?
Between 2014 and 2025, Knox County recorded 379 outage events, averaging 2.9 hours each.
What is Knox County's reliability grade?
Knox County has a Reliability Grade of C, in the 46th national percentile.
What was the worst power outage in Knox County?
The worst outage on record started April 9, 2020 (Thunderstorm Wind), lasting 73 hours and affecting up to 10,907 customers.