Brule CountyPower Outage History
What this grade means
(How grades are calculated)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 |
|---|---|---|---|
| Jul 4, 2020 | 3 hrs | 2,117 (52%) | Unnamed event |
| Jul 5, 2020 | 5 hrs | 2,116 (52%) | Thunderstorm Wind |
| Aug 31, 2020 | 2 hrs | 2,114 (52%) | Hail |
| May 12, 2022 | 2 hrs | 2,088 (51%) | Drought |
| Mar 15, 2021 | 4 hrs | 2,067 (51%) | Winter Weather |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Brule County, South Dakota that day.
Over the 7 years from 2019 to 2025, Brule County recorded 102 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Brule County started July 4, 2020, lasting 3 hours and leaving up to 2,117 customers without power (52% of the county) at its peak.
August has historically been the worst month for outages in Brule County, with 17 events recorded during that month across the dataset.
Based on this history, Brule County earns a Reliability Grade of B, placing it in the 80th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in South Dakota
Counties with the closest reliability grade and national percentile to Brule County.
| County | Grade | National percentile |
|---|---|---|
| Faulk County | B | 79th |
| Lyman County | A | 81st |
| Hyde County | B | 78th |
| Pennington County | A | 81st |
| Beadle County | B | 78th |
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 Brule County?
Between 2019 and 2025, Brule County recorded 102 outage events, averaging 2.5 hours each.
What is Brule County's reliability grade?
Brule County has a Reliability Grade of B, in the 80th national percentile.
What was the worst power outage in Brule County?
The worst outage on record started July 4, 2020, lasting 3 hours and affecting up to 2,117 customers.