Clark County Power Outage History
2014–2025 · Indiana
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 12, 2020 | 21 hrs | 14,305 (20%) | Thunderstorm Wind |
| Mar 3, 2023 | 43 hrs | 14,248 (20%) | High Wind |
| Nov 15, 2018 | 61 hrs | 9,727 (13%) | Ice Storm |
| Nov 26, 2025 | 4 hrs | 8,671 (12%) | Unnamed event |
| Apr 24, 2023 | 3 hrs | 8,514 (12%) | Unnamed event |
Over the 12 years from 2014 to 2025, Clark County recorded 672 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Clark County started July 12, 2020 (Thunderstorm Wind), lasting 21 hours and leaving up to 14,305 customers without power (20% of the county) at its peak.
June has historically been the worst month for outages in Clark County, with 89 events recorded during that month across the dataset.
Based on this history, Clark County earns a Reliability Grade of B, placing it in the 69th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Clark County's outage profile
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Outage-prep kit
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Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Clark County.
| County | Grade | National percentile |
|---|---|---|
| Carroll County | B | 68th |
| Fayette County | B | 68th |
| Grant County | B | 70th |
| Ripley County | B | 66th |
| Delaware County | B | 66th |
FAQ
How often does power go out in Clark County?
Between 2014 and 2025, Clark County recorded 672 outage events, averaging 2.6 hours each.
What is Clark County's reliability grade?
Clark County has a Reliability Grade of B, in the 69th national percentile.
What was the worst power outage in Clark County?
The worst outage on record started July 12, 2020 (Thunderstorm Wind), lasting 21 hours and affecting up to 14,305 customers.