Miami 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 |
|---|---|---|---|
| Jul 2, 2023 | 3 hrs | 15,216 (34%) | Thunderstorm Wind |
| Feb 17, 2021 | 10 hrs | 8,874 (20%) | Winter Weather |
| May 28, 2019 | 9 hrs | 7,686 (17%) | Thunderstorm Wind |
| Apr 2, 2016 | 6 hrs | 6,714 (15%) | Thunderstorm Wind |
| Dec 19, 2014 | 1 hrs | 6,544 (15%) | Unnamed event |
Over the 12 years from 2014 to 2025, Miami County recorded 462 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Miami County started July 2, 2023 (Thunderstorm Wind), lasting 3 hours and leaving up to 15,216 customers without power (34% of the county) at its peak.
July has historically been the worst month for outages in Miami County, with 77 events recorded during that month across the dataset.
Based on this history, Miami County earns a Reliability Grade of B, placing it in the 74th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Miami 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 Miami County.
| County | Grade | National percentile |
|---|---|---|
| Lucas County | B | 74th |
| Madison County | B | 74th |
| Henry County | B | 73rd |
| Wyandot County | B | 76th |
| Medina County | B | 72nd |
FAQ
How often does power go out in Miami County?
Between 2014 and 2025, Miami County recorded 462 outage events, averaging 2.6 hours each.
What is Miami County's reliability grade?
Miami County has a Reliability Grade of B, in the 74th national percentile.
What was the worst power outage in Miami County?
The worst outage on record started July 2, 2023 (Thunderstorm Wind), lasting 3 hours and affecting up to 15,216 customers.