Power outages in Cascade County, MT

We don't have a live outage feed for the utilities serving Cascade County yet. NorthWestern Energy LLC - (MT), Fergus Electric Coop, Inc and WAPA-- Western Area Power Administration serve this county.

Right now

No live outage data for Cascade County yet.

NorthWestern Energy LLC - (MT)no live feed
iThis 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.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Fergus Electric Coop, Incno live feed
iThis 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.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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WAPA-- Western Area Power Administrationno live feed
iThis 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.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
.
Sun River Electric Coop, Incno live feed
iThis 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.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Outage map

No live outage feed here yet
County outline

Outage history in Cascade County

2014–2025 record

Cascade County averaged 24.7 significant outages a year in 2023–2025, more than most Montana counties.

In the 12 months to December 2025, there were 28. Half were over within 3 hours; the longest lasted 14 hours, starting May 5, 2025.

The largest on record began October 5, 2024, with 12,024 customers out at once.

24.7significant outages a year (2023–2025)
iAt 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.
2.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
4.1 dayslongest on record (May 2024)
12,024most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
October 5, 202412,02412 hours52,805
May 8, 202410,4684.1 days102,851
April 12, 20216,0025.5 hours16,568
November 8, 20205,61627 hours81,582
February 1, 20205,24417 hours45,331

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom 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.