Dakota Energy Coop Inc
Cooperative electric utility · South Dakota · #1,759 of 3,199 U.S. utilities by customers · EIA utility #4720
Dakota Energy Coop Inc is a cooperative electric utility serving 3,645 customers in South Dakota. In 2025 it sold 242 gigawatt-hours of electricity for $25.83M in revenue, an average realized rate of 10.69¢ per kWh across all customer classes and 16.28¢ per kWh for residential customers. Its reported service territory covers 11 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 | 3,231 | 65.7 | $10.69M | 16.28¢ | |
| Commercial | 406 | 45.5 | $4.79M | 10.53¢ | |
| Industrial | 8 | 131 | $10.35M | 7.93¢ | |
| Total | 3,645 | 242 | $25.83M | 10.69¢ |
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 (1,694 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 3,581 | 251 | $25.05M | 14.91¢ |
| 2022 | 3,604 | 248 | $24.92M | 14.41¢ |
| 2023 | 3,626 | 255 | $25.34M | 14.62¢ |
| 2024 | 3,638 | 264 | $26.16M | 15.30¢ |
| 2025 | 3,645 | 242 | $25.83M | 16.28¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 251 GWh
Winter peak demand: 56 MW
Energy losses: 3.3% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 3,645 meters
Counties served
Beadle, SDBuffalo, SDFaulk, SDHand, SDHyde, SDJerauld, SDKingsbury, SDMiner, SDSanborn, SDSpink, SDSully, 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 #4720 in the EIA frame.