Power outages in Day County, SD
We don't have a live outage feed for the utilities serving Day County yet. Montana-Dakota Utilities Co, Otter Tail Power Co and NorthWestern Energy - (SD) serve this county.
Right now
No live outage data for Day 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 Day County
2014–2025 recordDay County averaged 17.7 significant outages a year in 2023–2025, more than most South Dakota counties.
In the 12 months to December 2025, there were 14. Half were over within 2.5 hours; the longest lasted 11 hours, starting June 11, 2025.
The largest on record began April 6, 2022, with 2,407 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. |
|---|---|---|---|
| April 6, 2022 | 2,407 | 7.5 hours | 3,861 |
| December 13, 2022 | 2,317 | 30 hours | 11,591 |
| February 27, 2021 | 2,014 | 3 hours | 3,169 |
| November 25, 2025 | 1,447 | 4 hours | 2,662 |
| May 31, 2025 | 1,284 | 3 hours | 3,468 |
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.
Utilities
- Montana-Dakota Utilities Co no live feed
- Otter Tail Power Co no live feed
- NorthWestern Energy - (SD) no live feed
- Northern Electric Coop, Inc no live feed
- WAPA-- Western Area Power Administration no live feed
- All South Dakota outages