Power outages in Missoula County, MT
We don't have a live outage feed for the utilities serving Missoula County yet. NorthWestern Energy LLC - (MT), USBIA-Mission Valley Power and Missoula Electric Coop, Inc serve this county.
Right now
No live outage data for Missoula County yet.
i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
Outage history in Missoula County
2014–2025 recordMissoula County averaged 26.7 significant outages a year in 2023–2025, more than most Montana counties.
In the 12 months to December 2025, there were 24. Half were over within 2 hours; the longest lasted 3.5 days, starting December 17, 2025.
The largest on record began July 25, 2024, with 55,225 customers out at once.
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. |
|---|---|---|---|
| July 25, 2024 | 55,225 | 4.7 days | 1,903,525 |
| December 17, 2025 | 8,400 | 3.5 days | 242,599 |
| May 9, 2023 | 7,478 | 1.5 hours | 8,638 |
| August 2, 2021 | 6,378 | 4.5 hours | 20,745 |
| December 20, 2023 | 6,344 | 1.5 hours | 7,137 |
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.
Cities in Missoula County
Nearby counties
Utilities
- NorthWestern Energy LLC - (MT) no live feed
- USBIA-Mission Valley Power no live feed
- Missoula Electric Coop, Inc no live feed
- Bonneville Power Administration no live feed
- Ravalli County Elec Coop, Inc no live feed
- All Montana outages