Haakon CountyPower Outage History
2019–2025 · South Dakota
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 12, 2022 | 116 hrs | 1,268 (46%) | Thunderstorm Wind |
| Jun 7, 2020 | 14 hrs | 704 (26%) | Hail |
| Dec 18, 2025 | 2 hrs | 464 (17%) | High Wind |
| Jul 19, 2022 | 1 hrs | 391 (14%) | Unnamed event |
| Apr 22, 2021 | 2 hrs | 334 (12%) | Unnamed event |
Over the 7 years from 2019 to 2025, Haakon County recorded 167 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Haakon County started June 12, 2022 (Thunderstorm Wind), lasting 116 hours and leaving up to 1,268 customers without power (46% of the county) at its peak.
June has historically been the worst month for outages in Haakon County, with 34 events recorded during that month across the dataset.
Based on this history, Haakon County earns a Reliability Grade of C, placing it in the 57th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Haakon County's outage profile
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Read our mission →Similar counties in South Dakota
Counties with the closest reliability grade and national percentile to Haakon County.
| County | Grade | National percentile |
|---|---|---|
| Deuel County | C | 57th |
| Moody County | C | 54th |
| Minnehaha County | B | 61st |
| Miner County | C | 53rd |
| Turner County | B | 64th |
Most reliable counties in South Dakota
The top 3 counties in South Dakota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clay County | A | 100th |
| Codington County | A | 98th |
| Tripp County | A | 98th |
Least reliable counties in South Dakota
The bottom 3 counties in South Dakota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Harding County | D | 21st |
| Perkins County | D | 29th |
| Custer County | D | 30th |
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 Haakon County?
Between 2019 and 2025, Haakon County recorded 167 outage events, averaging 3.0 hours each.
What is Haakon County's reliability grade?
Haakon County has a Reliability Grade of C, in the 57th national percentile.
What was the worst power outage in Haakon County?
The worst outage on record started June 12, 2022 (Thunderstorm Wind), lasting 116 hours and affecting up to 1,268 customers.