Power outages in Lyman County, SD
We don't have a live outage feed for the utilities serving Lyman County yet. Rosebud Electric Coop Inc, WAPA-- Western Area Power Administration and West Central Electric Coop Inc - (SD) serve this county.
Right now
No live outage data for Lyman 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.Outage map
Outage history in Lyman County
2014–2025 recordLyman County averaged 8.3 significant outages a year in 2023–2025, about typical for South Dakota counties.
In the 12 months to December 2025, there were 10. Half were over within 1.5 hours; the longest lasted 8.5 hours, starting July 23, 2025.
The largest on record began July 6, 2023, with 1,281 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. |
|---|---|---|---|
| July 6, 2023 | 1,281 | 45 minutes | 468 |
| February 16, 2021 | 1,034 | 1.5 hours | 969 |
| March 15, 2021 | 839 | 21 hours | 4,165 |
| October 12, 2020 | 628 | 3.5 hours | 1,645 |
| July 28, 2019 | 521 | 2 hours | 1,042 |
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
- Rosebud Electric Coop Inc no live feed
- WAPA-- Western Area Power Administration no live feed
- West Central Electric Coop Inc - (SD) no live feed
- All South Dakota outages