Power outages in Pennington County, SD
We don't have a live outage feed for the utilities serving Pennington County yet. Black Hills Power, Inc., West River Electric Assn Inc and Black Hills Electric Coop, Inc serve this county.
Right now
No live outage data for Pennington 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 Pennington County
2014–2025 recordPennington 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 14. Half were over within 1.5 hours; the longest lasted 5.3 days, starting December 17, 2025.
The largest on record began November 13, 2025, with 41,253 customers out at once.
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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 | 41,253 | 7 hours | 134,050 |
| December 17, 2025 | 25,159 | 5.3 days | 559,244 |
| August 10, 2019 | 7,770 | 1.5 hours | 3,146 |
| January 24, 2019 | 5,427 | 30 minutes | 2,040 |
| June 20, 2020 | 5,384 | 1.5 hours | 4,410 |
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 Pennington County
Nearby counties
Utilities
- Black Hills Power, Inc. no live feed
- West River Electric Assn Inc no live feed
- Black Hills Electric Coop, Inc no live feed
- WAPA-- Western Area Power Administration no live feed
- All South Dakota outages