County annual report · FIPS 46039
2020 Deuel County, SD Power Outage Report
In 2020, customers in Deuel County, SD went without power for an average of 6.5 hours, a total of 9,805 customer-hours (South Dakota average 4.6 hours). That ranks 12th worst of 62 South Dakota counties and 1159th of 3,019 nationally.
Compared with SD, the US and 2019
Coverage line is EAGLE-I's share of South Dakota customers tracked each year.
Biggest outages in Deuel County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 27, 2020 13:30 | May 27, 2020 14:15 | 45m | 304 | 164 |
| 2 | September 16, 2020 21:00 | September 16, 2020 21:30 | 30m | 209 | 105 |
| 3 | September 25, 2020 13:30 | September 25, 2020 14:30 | 1h | 209 | 209 |
| 4 | January 31, 2020 02:45 | February 3, 2020 18:15 | 3d 15h | 199 | 671 |
| 5 | February 22, 2020 20:00 | February 24, 2020 16:15 | 1d 20h | 144 | 1,160 |
| 6 | August 25, 2020 07:00 | August 25, 2020 10:30 | 3h 30m | 134 | 469 |
| 7 | April 2, 2020 07:45 | April 2, 2020 10:15 | 2h 30m | 124 | 310 |
| 8 | June 11, 2020 17:45 | June 11, 2020 21:30 | 3h 45m | 117 | 439 |
| 9 | January 20, 2020 16:15 | January 20, 2020 17:15 | 1h | 116 | 116 |
| 10 | October 12, 2020 13:15 | October 12, 2020 17:00 | 3h 45m | 108 | 147 |
Outage episodes by size in 2020: 14 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 Deuel County reported on EIA Form 861 for 2020, 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 |
|---|---|---|---|---|---|
| Otter Tail Power Co | 2020 | 1.6 hrs | 1.40 | 1.6 hrs | 1.40 |
| NorthWestern Energy - (SD) | 2020 | 2.6 hrs | 1.54 | 1.9 hrs | 1.28 |
| Sioux Valley SW Elec Coop | 2020 | 1.5 hrs | 2.73 | 83 min | 2.32 |
| H-D Electric Coop Inc | 2018 | 2.6 hrs | 1.52 | 1.6 hrs | 1.14 |
| Whetstone Valley Elec Coop Inc | 2018 | 73 min | 0.64 | 42 min | 0.43 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| Codington-Clark Elec 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 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 1,505 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. Deuel County has data for 2019–2025.
Cite this report
MassOutage (massoutage.com), Deuel County, SD annual power outage report, 2020, 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/2020/south-dakota/deuel-county