Power outages in Michigan
In 2025, the average Michigan customer was without power for 11.2 hours (671.5 minutes) over the year. That is about 2.6 times the US median of 4.3 hours (258.7 minutes), based on 50 states compared.
Trend
Yearly outage time has swung up and down since 2020 rather than moving in one direction: 6.8 hours in 2020, 14.6 in 2021, 8.6 in 2022, 18.2 in 2023, 7.8 in 2024 and 11.2 in 2025. The worst year was 2023, at 18.2 hours.
Utilities in 2025
In 2025, Wyandotte Municipal Serv Comm had the lowest SAIDI at 16.9 minutes (0.3 hours). Presque Isle Elec & Gas Coop had the highest at 9,074.4 minutes (151.2 hours).
| Utility | Customers | Hours / yr | Interruptions |
|---|---|---|---|
| Presque Isle Elec & Gas Coop | 35,372 | 151.2 | 2.9 |
| Great Lakes Energy Coop | 133,028 | 73.3 | 4.1 |
| Alpena Power Co | 16,760 | 49.9 | 2.5 |
| Upper Michigan Energy Resources Corp. | 37,440 | 20.8 | 2.5 |
| Tri-County Electric Coop (MI) | 27,394 | 19.2 | 1.8 |
| Alger-Delta Coop Electric Assn | 10,361 | 19.2 | 3.1 |
| Cloverland Electric Co-op | 44,687 | 17.0 | 4.4 |
| Midwest Energy Cooperative - (MI) | 37,323 | 16.9 | 2.1 |
| Indiana Michigan Power Co | 132,525 | 15.5 | 1.8 |
| City of Marquette - (MI) | 17,174 | 14.9 | 3.1 |
| Consumers Energy Co - (MI) | 1,899,459 | 13.7 | 1.4 |
| Upper Peninsula Power Company | 58,485 | 7.4 | 2.2 |
| City of Lansing - (MI) | 97,051 | 7.0 | 1.1 |
| DTE Electric Company | 2,275,368 | 3.2 | 1.2 |
| City of Grand Haven - (MI) | 15,155 | 2.4 | 1.2 |
| City of Bay City - (MI) | 21,254 | 1.8 | 0.9 |
| Cherryland Electric Coop Inc | 39,694 | 1.7 | 0.9 |
| City of Holland - (MI) | 32,200 | 1.2 | 0.4 |
| City of Traverse City - (MI) | 13,956 | 0.7 | 0.8 |
| Wyandotte Municipal Serv Comm - (MI) | 12,876 | 0.3 | 0.2 |
What this means for backup power
For everyday outages, enter 7.9 hours in the calculator, which is the average length of one interruption. To ride out a year like 2023, size for 18.2 hours, the total outage time that year.
FAQ
What does SAIDI mean?
SAIDI is the total time the average customer is without power in a year. For Michigan in 2025 it was 11.2 hours. It is not the length of a single outage.
How long does one power outage last in Michigan?
On average, one interruption lasts about 7.9 hours. The average Michigan customer had 1.4 interruptions in 2025.
How many hours of backup power should I plan for?
For a typical outage, enter 7.9 hours in the calculator. If you want to cover a year as bad as 2023, plan for 18.2 hours, which is all of that year's outage time added together.
Utility pages
Source: U.S. EIA Form 861 Reliability file. Data snapshot 2026-11-05.