Power outages in Sweet Grass County, MT
We don't have a live outage feed for the utilities serving Sweet Grass County yet. NorthWestern Energy LLC - (MT), Fergus Electric Coop, Inc and Beartooth Electric Coop, Inc serve this county.
Right now
No live outage data for Sweet Grass County yet.
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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 Sweet Grass County
2014–2025 recordSweet Grass County averaged 9 significant outages a year in 2023–2025, about typical for Montana counties.
In the 12 months to December 2025, there were 11. Half were over within 2.5 hours; the longest lasted 31 hours, starting December 17, 2025.
The largest on record began December 17, 2025, with 1,612 customers out at once.
Outages are most common in July.
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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.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. |
|---|---|---|---|
| December 17, 2025 | 1,612 | 31 hours | 11,792 |
| October 26, 2021 | 1,314 | 5 hours | 6,242 |
| December 9, 2025 | 817 | 7 hours | 2,691 |
| March 9, 2021 | 608 | 2 hours | 912 |
| July 23, 2020 | 575 | 4 hours | 1,715 |
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 Sweet Grass County
Nearby counties
Utilities
- NorthWestern Energy LLC - (MT) no live feed
- Fergus Electric Coop, Inc no live feed
- Beartooth Electric Coop, Inc no live feed
- Park Electric Coop Inc no live feed
- All Montana outages