Power outages in Valley County, MT

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

Right now

No live outage data for Valley 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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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.
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Big Flat 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.
.
NorVal Electric Cooperative, 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 Valley County

2014–2025 record

Valley County averaged 12.3 significant outages a year in 2023–2025, about typical for Montana counties.

In the 12 months to December 2025, there were 21. Half were over within 3.5 hours; the longest lasted 26 hours, starting December 17, 2025.

The largest on record began July 23, 2021, with 3,217 customers out at once.

Outages are most common in June.

12.3significant 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.
3 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
26 hourslongest on record (December 2025)
3,217most 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.
July 23, 20213,2174 hours8,626
January 24, 20253,2141.5 hours3,806
November 5, 20213,1747 hours21,424
December 26, 20253,1453 hours5,559
March 8, 20212,8901.5 hours4,003

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.