Power outages in Chamberlain, SD
Live outages for Chamberlain and the surrounding area, updated every 10 minutes. Chamberlain has 2,453 residents.
Right now
No live outage data for Chamberlain yet.
Outage map
ChamberlainBrule County
Outage history in Brule County, which includes Chamberlain
2014–2025 recordBrule County averaged 3.3 significant outages a year in 2023–2025, fewer than most South Dakota counties.
In the 12 months to December 2025, there were 2. Half were over within 2 hours; the longest lasted 3.5 hours, starting May 15, 2025.
The largest on record began July 4, 2020, with 2,117 customers out at once.
Outages are most common in July.
3.3significant 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.21 hourslongest on record (June 2020)
2,117most 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. |
|---|---|---|---|
| July 4, 2020 | 2,117 | 3.5 hours | 4,676 |
| July 5, 2020 | 2,116 | 5 hours | 5,158 |
| August 31, 2020 | 2,114 | 1.5 hours | 2,643 |
| May 12, 2022 | 2,088 | 2.5 hours | 4,642 |
| March 15, 2021 | 2,067 | 5 hours | 8,504 |
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.