Huron County Power Outage History
2014–2025 · Michigan
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Jun 10, 2020 | 1 hrs | 65,394 (95%) | Tropical Storm Cristobal |
| Jun 10, 2020 | 3 hrs | 38,419 (56%) | Tropical Storm Cristobal |
| Sep 22, 2021 | 133 hrs | 12,463 (18%) | High Wind |
| Aug 3, 2015 | 15 hrs | 10,953 (16%) | Thunderstorm Wind |
| Aug 3, 2015 | 2 hrs | 10,770 (16%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Huron County recorded 857 distinct power outage events, averaging 4.8 hours per event.
The single worst outage on record in Huron County started June 10, 2020 (Tropical Storm Cristobal), lasting 1 hours and leaving up to 65,394 customers without power (95% of the county) at its peak.
November has historically been the worst month for outages in Huron County, with 129 events recorded during that month across the dataset.
Based on this history, Huron County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Huron County's outage profile
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Huron County.
| County | Grade | National percentile |
|---|---|---|
| Kent County | D | 35th |
| Menominee County | D | 35th |
| Alpena County | D | 34th |
| Shiawassee County | D | 36th |
| Iron County | D | 33rd |
FAQ
How often does power go out in Huron County?
Between 2014 and 2025, Huron County recorded 857 outage events, averaging 4.8 hours each.
What is Huron County's reliability grade?
Huron County has a Reliability Grade of D, in the 35th national percentile.
What was the worst power outage in Huron County?
The worst outage on record started June 10, 2020 (Tropical Storm Cristobal), lasting 1 hours and affecting up to 65,394 customers.