Alpena County Power Outage History
2019–2025 · 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 |
|---|---|---|---|
| Mar 30, 2025 | 427 hrs | 3,528 (19%) | Ice Storm |
| Mar 29, 2025 | 8 hrs | 2,675 (15%) | Ice Storm |
| Dec 12, 2020 | 24 hrs | 2,060 (11%) | Winter Storm |
| Apr 12, 2024 | 34 hrs | 1,927 (10%) | Unnamed event |
| Mar 30, 2022 | 1 hrs | 1,547 (8%) | Ice Storm |
Over the 7 years from 2019 to 2025, Alpena County recorded 108 distinct power outage events, averaging 9.1 hours per event.
The single worst outage on record in Alpena County started March 30, 2025 (Ice Storm), lasting 427 hours and leaving up to 3,528 customers without power (19% of the county) at its peak.
November has historically been the worst month for outages in Alpena County, with 14 events recorded during that month across the dataset.
Based on this history, Alpena County earns a Reliability Grade of D, placing it in the 34th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Alpena County's outage profile
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Alpena County.
| County | Grade | National percentile |
|---|---|---|
| Huron County | D | 35th |
| Iron County | D | 33rd |
| Kent County | D | 35th |
| Menominee County | D | 35th |
| Oceana County | D | 32nd |
FAQ
How often does power go out in Alpena County?
Between 2019 and 2025, Alpena County recorded 108 outage events, averaging 9.1 hours each.
What is Alpena County's reliability grade?
Alpena County has a Reliability Grade of D, in the 34th national percentile.
What was the worst power outage in Alpena County?
The worst outage on record started March 30, 2025 (Ice Storm), lasting 427 hours and affecting up to 3,528 customers.