Eaton County Power Outage History
2014–2025 · Michigan
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 25, 2023 | 128 hrs | 21,375 (42%) | Thunderstorm Wind |
| Jul 7, 2017 | 60 hrs | 17,647 (35%) | Thunderstorm Wind |
| May 16, 2025 | 101 hrs | 9,066 (18%) | Thunderstorm Wind |
| Apr 25, 2019 | 4 hrs | 8,712 (17%) | Unnamed event |
| Jul 16, 2020 | 8 hrs | 8,561 (17%) | Unnamed event |
Over the 12 years from 2014 to 2025, Eaton County recorded 499 distinct power outage events, averaging 5.0 hours per event.
The single worst outage on record in Eaton County started August 25, 2023 (Thunderstorm Wind), lasting 128 hours and leaving up to 21,375 customers without power (42% of the county) at its peak.
June has historically been the worst month for outages in Eaton County, with 79 events recorded during that month across the dataset.
Based on this history, Eaton County earns a Reliability Grade of F, placing it in the 20th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Eaton County.
| County | Grade | National percentile |
|---|---|---|
| Kalkaska County | D | 21st |
| Osceola County | F | 18th |
| Newaygo County | D | 22nd |
| Wexford County | D | 22nd |
| Kalamazoo County | F | 17th |
FAQ
How often does power go out in Eaton County?
Between 2014 and 2025, Eaton County recorded 499 outage events, averaging 5.0 hours each.
What is Eaton County's reliability grade?
Eaton County has a Reliability Grade of F, in the 20th national percentile.
What was the worst power outage in Eaton County?
The worst outage on record started August 25, 2023 (Thunderstorm Wind), lasting 128 hours and affecting up to 21,375 customers.