Tripp County Power Outage History
2022–2025 · South Dakota
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 30, 2024 | 6 hrs | 591 (8%) | Thunderstorm Wind |
| Nov 25, 2025 | 2 hrs | 393 (5%) | Unnamed event |
| Oct 20, 2024 | 1 hrs | 288 (4%) | Unnamed event |
| Dec 2, 2024 | 3 hrs | 288 (4%) | Unnamed event |
| Apr 29, 2025 | 6 hrs | 287 (4%) | Unnamed event |
Over the 4 years from 2022 to 2025, Tripp County recorded 46 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Tripp County started July 30, 2024 (Thunderstorm Wind), lasting 6 hours and leaving up to 591 customers without power (8% of the county) at its peak.
May has historically been the worst month for outages in Tripp County, with 9 events recorded during that month across the dataset.
Based on this history, Tripp County earns a Reliability Grade of A, placing it in the 98th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tripp County's outage profile
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Similar counties in South Dakota
Counties with the closest reliability grade and national percentile to Tripp County.
| County | Grade | National percentile |
|---|---|---|
| Codington County | A | 98th |
| Hughes County | A | 98th |
| Gregory County | A | 98th |
| Bennett County | A | 99th |
| Clay County | A | 100th |
FAQ
How often does power go out in Tripp County?
Between 2022 and 2025, Tripp County recorded 46 outage events, averaging 1.8 hours each.
What is Tripp County's reliability grade?
Tripp County has a Reliability Grade of A, in the 98th national percentile.
What was the worst power outage in Tripp County?
The worst outage on record started July 30, 2024 (Thunderstorm Wind), lasting 6 hours and affecting up to 591 customers.