Henry County Power Outage History
2014–2025 · Ohio
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 |
|---|---|---|---|
| Apr 1, 2023 | 20 hrs | 2,558 (21%) | Thunderstorm Wind |
| May 7, 2021 | 3 hrs | 1,772 (14%) | Unnamed event |
| Jan 1, 2021 | 8 hrs | 1,762 (14%) | Winter Weather |
| Apr 2, 2023 | 1 hrs | 1,762 (14%) | Thunderstorm Wind |
| Apr 2, 2023 | 1 hrs | 1,759 (14%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Henry County recorded 216 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Henry County started April 1, 2023 (Thunderstorm Wind), lasting 20 hours and leaving up to 2,558 customers without power (21% of the county) at its peak.
April has historically been the worst month for outages in Henry County, with 28 events recorded during that month across the dataset.
Based on this history, Henry County earns a Reliability Grade of B, placing it in the 73rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Henry County's outage profile
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Outage-prep kit
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Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Henry County.
| County | Grade | National percentile |
|---|---|---|
| Madison County | B | 74th |
| Miami County | B | 74th |
| Lucas County | B | 74th |
| Medina County | B | 72nd |
| Defiance County | B | 71st |
FAQ
How often does power go out in Henry County?
Between 2014 and 2025, Henry County recorded 216 outage events, averaging 2.4 hours each.
What is Henry County's reliability grade?
Henry County has a Reliability Grade of B, in the 73rd national percentile.
What was the worst power outage in Henry County?
The worst outage on record started April 1, 2023 (Thunderstorm Wind), lasting 20 hours and affecting up to 2,558 customers.