Power outages in Mackinac Island, MI

Live outages for Mackinac Island and the surrounding area, updated every 10 minutes. Mackinac Island has 617 residents.

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Mackinac IslandMackinac County

Outage history in Mackinac County, which includes Mackinac Island

2014–2025 record

Mackinac County averaged 54.7 significant outages a year in 2023–2025, more than most Michigan counties.

In the 12 months to December 2025, there were 61. Half were over within 2 hours; the longest lasted 12 days, starting March 30, 2025.

The largest on record began March 30, 2025, with 7,585 customers out at once.

54.7significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
2 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
12 dayslongest on record (March 2025)
7,585most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
March 30, 20257,58512 days468,702
December 16, 20214,4743.8 days117,041
November 5, 20223,4801.9 days54,066
June 10, 20213,3674 hours1,473
April 15, 20233,0754.3 days14,833

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.