Power outages in Ontonagon, MI
Live outages for Ontonagon and the surrounding area, updated every 10 minutes. Ontonagon has 1,264 residents.
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No live outage data for Ontonagon yet.
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OntonagonOntonagon County
Outage history in Ontonagon County, which includes Ontonagon
2014–2025 recordOntonagon County averaged 15.3 significant outages a year in 2023–2025, fewer than most Michigan counties.
In the 12 months to December 2025, there were 22. Half were over within 1.5 hours; the longest lasted 2.7 days, starting November 26, 2025.
The largest on record began July 19, 2020, with 4,600 customers out at once.
15.3significant outages a year (2023–2025)
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At 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
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Half of significant outages here ended sooner than this, and half lasted longer.2.7 dayslongest on record (November 2025)
4,600most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| July 19, 2020 | 4,600 | 15 hours | 15,793 |
| April 30, 2023 | 2,518 | 7.5 hours | 2,024 |
| July 26, 2023 | 2,501 | 1 hour | 2,501 |
| November 26, 2025 | 2,384 | 2.7 days | 47,504 |
| November 19, 2016 | 2,150 | 3.5 hours | 7,525 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From 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.