Power outages in Summit, SD
Live outages for Summit and the surrounding area, updated every 10 minutes. Summit has 276 residents.
Right now
No live outage data for Summit yet.
Outage map
SummitRoberts County
Outage history in Roberts County, which includes Summit
2014–2025 recordRoberts County averaged 20.3 significant outages a year in 2023–2025, more than most South Dakota counties.
In the 12 months to December 2025, there were 31. Half were over within 1.5 hours; the longest lasted 25 hours, starting June 4, 2025.
The largest on record began March 31, 2023, with 1,175 customers out at once.
Outages are most common in July.
20.3significant 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.1.5 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.1.7 dayslongest on record (February 2024)
1,175most 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. |
|---|---|---|---|
| March 31, 2023 | 1,175 | 4 hours | 1,956 |
| June 21, 2020 | 1,155 | 1.5 hours | 1,122 |
| April 28, 2021 | 1,096 | 2.5 hours | 2,421 |
| December 28, 2022 | 1,086 | 3.5 hours | 1,359 |
| December 23, 2020 | 1,003 | 2 hours | 1,755 |
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.