Power outages in Bison, SD
Live outages for Bison and the surrounding area, updated every 10 minutes. Bison has 308 residents.
Right now
No live outage data for Bison yet.
Outage map
BisonPerkins County
Outage history in Perkins County, which includes Bison
2014–2025 recordPerkins 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 9. Half were over within 1.5 hours; the longest lasted 23 hours, starting November 12, 2025.
The largest on record began January 14, 2021, with 1,988 customers out at once.
17.7significant outages a year (2023–2025)
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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.2.5 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.1.6 dayslongest on record (November 2022)
1,988most customers out at once
| 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. |
|---|---|---|---|
| January 14, 2021 | 1,988 | 6 hours | 1,621 |
| April 24, 2022 | 1,609 | 23 hours | 19,135 |
| April 12, 2022 | 1,232 | 3.5 hours | 882 |
| September 5, 2019 | 1,188 | 9.5 hours | 10,962 |
| April 22, 2024 | 1,149 | 30 minutes | 575 |
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.