County annual report · FIPS 46067
2021 Hutchinson County, SD Power Outage Report
In 2021, customers in Hutchinson County, SD went without power for an average of 2.9 hours, a total of 16K customer-hours (South Dakota average 3.4 hours). That ranks 30th worst of 61 South Dakota counties and 1871st of 2,974 nationally.
Compared with SD, the US and 2020
Coverage line is EAGLE-I's share of South Dakota customers tracked each year.
Biggest outages in Hutchinson County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | March 15, 2021 04:30 | March 18, 2021 19:00 | 3d 14h | 960 | 4,215 |
| 2 | December 15, 2021 10:15 | December 15, 2021 14:00 | 3h 45m | 875 | 2,629 |
| 3 | July 3, 2021 20:00 | July 3, 2021 20:15 | 15m | 823 | 206 |
| 4 | September 10, 2021 07:15 | September 10, 2021 11:15 | 4h | 761 | 2,855 |
| 5 | July 3, 2021 21:30 | July 6, 2021 20:45 | 2d 23h | 464 | 1,215 |
| 6 | May 18, 2021 14:15 | May 20, 2021 18:15 | 2d 4h | 173 | 108 |
| 7 | March 29, 2021 21:15 | March 30, 2021 00:15 | 3h | 155 | 465 |
| 8 | December 16, 2021 01:15 | December 16, 2021 13:45 | 12h 30m | 147 | 231 |
| 9 | June 24, 2021 01:45 | June 24, 2021 05:30 | 3h 45m | 140 | 277 |
| 10 | April 9, 2021 19:30 | April 13, 2021 13:45 | 3d 18h | 102 | 234 |
Outage episodes by size in 2021: 10 reached 100+ customers, 0 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Hutchinson County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Northern States Power Co - Minnesota | 2021 | 1.8 hrs | 0.82 | 77 min | 0.74 |
| NorthWestern Energy - (SD) | 2021 | 1.5 hrs | 0.95 | 81 min | 0.83 |
| Bon Homme Yankton El Assn, Inc | 2018 | 34 min | 0.32 | 34 min | 0.32 |
| Southeastern Electric Coop Inc - (SD) | - | - | - | - | - |
| Douglas Electric Coop, Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 79% of South Dakota's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 5,650 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Hutchinson County has data for 2017, 2019–2025.
Cite this report
MassOutage (massoutage.com), Hutchinson County, SD annual power outage report, 2021, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2021/south-dakota/hutchinson-county