Tripp CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Tripp County, South Dakota that day.
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).
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 | Not ranked | — |
| Clay County | A | 100th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.