Hyde CountyPower Outage History
2020–2025 · South Dakota
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 10, 2022 | 9 hrs | 1,354 (78%) | Ice Storm |
| Jul 5, 2022 | 9 hrs | 1,060 (61%) | Thunderstorm Wind |
| May 12, 2022 | 6 hrs | 749 (43%) | High Wind |
| Apr 11, 2022 | 2 hrs | 719 (41%) | High Wind |
| Nov 29, 2022 | 5 hrs | 719 (41%) | Unnamed event |
Over the 6 years from 2020 to 2025, Hyde County recorded 49 distinct power outage events, averaging 3.9 hours per event.
The single worst outage on record in Hyde County started November 10, 2022 (Ice Storm), lasting 9 hours and leaving up to 1,354 customers without power (78% of the county) at its peak.
March has historically been the worst month for outages in Hyde County, with 7 events recorded during that month across the dataset.
Based on this history, Hyde County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Hyde 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 Hyde County.
| County | Grade | National percentile |
|---|---|---|
| Beadle County | B | 78th |
| Faulk County | B | 79th |
| Lawrence County | B | 77th |
| Brule County | B | 80th |
| Todd County | B | 77th |
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 Hyde County?
Between 2020 and 2025, Hyde County recorded 49 outage events, averaging 3.9 hours each.
What is Hyde County's reliability grade?
Hyde County has a Reliability Grade of B, in the 78th national percentile.
What was the worst power outage in Hyde County?
The worst outage on record started November 10, 2022 (Ice Storm), lasting 9 hours and affecting up to 1,354 customers.