Power outages in Butte-Silver Bow, MT
Live outages for Butte-Silver Bow and the surrounding area, updated every 10 minutes. Butte-Silver Bow has 35,469 residents.
Right now
No live outage data for Butte-Silver Bow yet.
Outage map
Outage history in Silver Bow County, which includes Butte-Silver Bow
2014–2025 recordSilver Bow County averaged 10 significant outages a year in 2023–2025, about typical for Montana counties.
In the 12 months to December 2025, there were 8. Half were over within 2 hours; the longest lasted 13 hours, starting December 17, 2025.
The largest on record began June 13, 2020, with 7,121 customers out at once.
Outages are most common in August.
i
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.i
Half of significant outages here ended sooner than this, and half lasted longer.| 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. |
|---|---|---|---|
| June 13, 2020 | 7,121 | 11 hours | 16,390 |
| May 28, 2020 | 6,874 | 2.5 hours | 14,515 |
| December 17, 2025 | 6,355 | 13 hours | 28,730 |
| July 20, 2021 | 5,468 | 3.5 hours | 13,203 |
| December 8, 2020 | 2,386 | 3.5 hours | 4,365 |
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.