Power outages in Yankton County, SD
We don't have a live outage feed for the utilities serving Yankton County yet. NorthWestern Energy - (SD), Southeastern Electric Coop Inc - (SD) and WAPA-- Western Area Power Administration serve this county.
Right now
No live outage data for Yankton 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 Yankton County
2014–2025 recordYankton County averaged 11.7 significant outages a year in 2023–2025, more than most South Dakota counties.
In the 12 months to December 2025, there were 12. Half were over within 2.5 hours; the longest lasted 8 hours, starting October 16, 2025.
The largest on record began May 8, 2023, with 3,237 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. |
|---|---|---|---|
| May 8, 2023 | 3,237 | 2.5 hours | 6,788 |
| March 5, 2022 | 3,235 | 2 hours | 6,141 |
| July 18, 2023 | 2,915 | 4 hours | 5,389 |
| August 16, 2023 | 2,187 | 2 hours | 3,500 |
| February 18, 2025 | 1,953 | 4 hours | 7,444 |
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 Yankton County
Utilities
- NorthWestern Energy - (SD) no live feed
- Southeastern Electric Coop Inc - (SD) no live feed
- WAPA-- Western Area Power Administration no live feed
- Bon Homme Yankton El Assn, Inc no live feed
- Clay-Union Electric Corp no live feed
- All South Dakota outages