Power outages in Custer County, MT
We don't have a live outage feed for the utilities serving Custer County yet. Montana-Dakota Utilities Co, WAPA-- Western Area Power Administration and McCone Electric Coop Inc serve this county.
Right now
No live outage data for Custer 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.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 Custer County
2014–2025 recordCuster County averaged 6 significant outages a year in 2023–2025, fewer than most Montana counties.
In the 12 months to December 2025, there were 7. Half were over within 1 hour; the longest lasted 2 hours, starting June 16, 2025.
The largest on record began December 3, 2020, with 4,487 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 3, 2020 | 4,487 | 1 hour | 4,487 |
| November 7, 2017 | 4,342 | 15 minutes | 1,086 |
| April 13, 2017 | 4,145 | 45 minutes | 1,358 |
| October 2, 2022 | 4,016 | 1.5 hours | 1,864 |
| July 11, 2023 | 2,691 | 1 hour | 2,691 |
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 Custer County
Nearby counties
Utilities
- Montana-Dakota Utilities Co no live feed
- WAPA-- Western Area Power Administration no live feed
- McCone Electric Coop Inc no live feed
- Mid-Yellowstone Elec Coop, Inc no live feed
- Southeast Electric Coop, Inc no live feed
- All Montana outages