Power outages in Sheridan County, WY
We don't have a live outage feed for the utilities serving Sheridan County yet. Montana-Dakota Utilities Co, Powder River Energy Corp and Big Horn Rural Electric Co serve this county.
Right now
No live outage data for Sheridan 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 Sheridan County
2014–2025 recordSheridan County averaged 16 significant outages a year in 2023–2025, about typical for Wyoming counties.
In the 12 months to December 2025, there were 13. Half were over within 4 hours; the longest lasted 32 hours, starting December 19, 2025.
The largest on record began November 13, 2025, with 12,017 customers out at once.
Outages are most common in June.
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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. |
|---|---|---|---|
| November 13, 2025 | 12,017 | 6 hours | 48,318 |
| September 11, 2022 | 4,930 | 2.5 hours | 7,524 |
| February 16, 2023 | 3,907 | 6.5 hours | 9,718 |
| April 23, 2022 | 3,262 | 15 hours | 7,780 |
| September 26, 2023 | 3,176 | 45 minutes | 1,651 |
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 Sheridan County
Nearby counties
Utilities
- Montana-Dakota Utilities Co no live feed
- Powder River Energy Corp no live feed
- Big Horn Rural Electric Co no live feed
- Big Horn County Elec Coop, Inc no live feed
- All Wyoming outages