Rosebud Electric Coop Inc
Cooperative electric utility · South Dakota · #1,462 of 3,199 U.S. utilities by customers · EIA utility #16286
Rosebud Electric Coop Inc is a cooperative electric utility serving 5,697 customers in South Dakota. In 2025 it sold 91.3 gigawatt-hours of electricity for $10.61M in revenue, an average realized rate of 11.62¢ per kWh across all customer classes and 11.88¢ per kWh for residential customers. Its reported service territory covers 4 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 4,911 | 68.0 | $8.08M | 11.88¢ | |
| Commercial | 764 | 22.6 | $2.45M | 10.86¢ | |
| Industrial | 22 | 0.7 | $83.00K | 11.59¢ | |
| Total | 5,697 | 91.3 | $10.61M | 11.62¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,154 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 5,569 | 86.6 | $8.38M | 9.93¢ |
| 2022 | 5,612 | 91.9 | $8.92M | 9.93¢ |
| 2023 | 5,631 | 93.8 | $9.42M | 10.39¢ |
| 2024 | 5,637 | 87.8 | $8.98M | 10.63¢ |
| 2025 | 5,697 | 91.3 | $10.61M | 11.88¢ |
Reliability (2025)
Average outage time (SAIDI): 141 minutes per customer per year
Average outages (SAIFI): 0.77 per customer
Average restoration time (CAIDI): 183 minutes
As reported for South Dakota under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 96.9 GWh
Winter peak demand: 27 MW
Energy losses: 5.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 5,680 meters
Counties served
Gregory, SDLyman, SDMellette, SDTripp, SD
Other large utilities in South Dakota
- Black Hills Power, Inc. - 85,804 customers, residential 15.07¢
- NorthWestern Energy - (SD) - 65,396 customers, residential 13.35¢
- Sioux Valley SW Elec Coop - 30,059 customers, residential 13.87¢
- Southeastern Electric Coop Inc - (SD) - 24,428 customers, residential 12.98¢
- West River Electric Assn Inc - 21,332 customers, residential 15.16¢
- Watertown Municipal Utilities - 14,497 customers, residential 9.29¢
- City of Brookings - (SD) - 12,568 customers, residential 10.69¢
- Black Hills Electric Coop, Inc - 11,478 customers, residential 14.79¢
All South Dakota utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #16286 in the EIA frame.