County annual report · FIPS 46105
2024 Perkins County, SD Power Outage Report
In 2024, customers in Perkins County, SD went without power for an average of 31.1 hours, a total of 28K customer-hours (South Dakota average 2.3 hours). That ranks 2nd worst of 65 South Dakota counties and 317th of 2,990 nationally.
Compared with SD, the US and 2023
Coverage line is EAGLE-I's share of South Dakota customers tracked each year.
Biggest outages in Perkins County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 22, 2024 13:15 | April 22, 2024 19:30 | 6h 15m | 1,149 | 648 |
| 2 | March 3, 2024 15:45 | March 4, 2024 18:45 | 1d 3h | 836 | 1,104 |
| 3 | February 8, 2024 21:45 | February 9, 2024 04:15 | 6h 30m | 834 | 1,675 |
| 4 | January 24, 2024 17:15 | January 25, 2024 15:00 | 21h 45m | 804 | 1,727 |
| 5 | February 8, 2024 19:45 | February 8, 2024 20:15 | 30m | 718 | 188 |
| 6 | March 15, 2024 15:15 | March 15, 2024 17:45 | 2h 30m | 576 | 1,440 |
| 7 | March 21, 2024 15:00 | March 21, 2024 19:30 | 4h 30m | 537 | 1,087 |
| 8 | May 7, 2024 14:15 | May 7, 2024 16:15 | 2h | 456 | 202 |
| 9 | December 19, 2024 17:00 | December 20, 2024 23:00 | 1d 6h | 363 | 251 |
| 10 | August 27, 2024 13:30 | August 27, 2024 18:15 | 4h 45m | 313 | 860 |
Outage episodes by size in 2024: 26 reached 100+ customers, 1 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 Perkins County reported on EIA Form 861 for 2024, 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 |
|---|---|---|---|---|---|
| Montana-Dakota Utilities Co | 2024 | 2.9 hrs | 1.26 | 2.1 hrs | 1.10 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| Grand 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 n/a of South Dakota's customers in 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 890 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. Perkins County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Perkins County, SD annual power outage report, 2024, 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/2024/south-dakota/perkins-county