Codington County Power Outage History
2019–2025 · 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 |
|---|---|---|---|
| May 13, 2022 | 7 hrs | 2,132 (8%) | Flood |
| Dec 9, 2020 | 1 hrs | 1,441 (5%) | Unnamed event |
| Apr 5, 2023 | 6 hrs | 985 (4%) | Ice Storm |
| Aug 31, 2020 | 3 hrs | 689 (3%) | Unnamed event |
| May 3, 2021 | 3 hrs | 612 (2%) | Unnamed event |
Over the 7 years from 2019 to 2025, Codington County recorded 41 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Codington County started May 13, 2022 (Flood), lasting 7 hours and leaving up to 2,132 customers without power (8% of the county) at its peak.
May has historically been the worst month for outages in Codington County, with 9 events recorded during that month across the dataset.
Based on this history, Codington County earns a Reliability Grade of A, placing it in the 98th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Codington County's outage profile
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Similar counties in South Dakota
Counties with the closest reliability grade and national percentile to Codington County.
| County | Grade | National percentile |
|---|---|---|
| Tripp County | A | 98th |
| Hughes County | A | 98th |
| Bennett County | A | 99th |
| Gregory County | A | 98th |
| Clay County | A | 100th |
FAQ
How often does power go out in Codington County?
Between 2019 and 2025, Codington County recorded 41 outage events, averaging 2.3 hours each.
What is Codington County's reliability grade?
Codington County has a Reliability Grade of A, in the 98th national percentile.
What was the worst power outage in Codington County?
The worst outage on record started May 13, 2022 (Flood), lasting 7 hours and affecting up to 2,132 customers.