Power outages in Miles City, MT
Live outages for Miles City and the surrounding area, updated every 10 minutes. Miles City has 8,450 residents.
Right now
No live outage data for Miles City yet.
Outage map
Miles CityCuster County
Outage history in Custer County, which includes Miles City
2014–2025 recordCuster County averaged 6 significant outages a year in 2023–2025, fewer than most Montana counties.
In the 12 months to December 2025, there were 7. Half were over within 1 hour; the longest lasted 2 hours, starting June 16, 2025.
The largest on record began December 3, 2020, with 4,487 customers out at once.
Outages are most common in July.
6significant 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.1.5 hourstypical (median) length
i
Half of significant outages here ended sooner than this, and half lasted longer.24 hourslongest on record (July 2024)
4,487most 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. |
|---|---|---|---|
| December 3, 2020 | 4,487 | 1 hour | 4,487 |
| November 7, 2017 | 4,342 | 15 minutes | 1,086 |
| April 13, 2017 | 4,145 | 45 minutes | 1,358 |
| October 2, 2022 | 4,016 | 1.5 hours | 1,864 |
| July 11, 2023 | 2,691 | 1 hour | 2,691 |
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.