Central Electric Coop, Inc - (SD)
Cooperative electric utility · South Dakota · #1,297 of 3,199 U.S. utilities by customers · EIA utility #3236
Central Electric Coop, Inc - (SD) is a cooperative electric utility serving 7,397 customers in South Dakota. In 2025 it sold 347 gigawatt-hours of electricity for $39.84M in revenue, an average realized rate of 11.49¢ per kWh across all customer classes and 14.67¢ per kWh for residential customers. Its reported service territory covers 8 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 | 6,515 | 120 | $17.63M | 14.67¢ | |
| Commercial | 699 | 29.4 | $4.07M | 13.84¢ | |
| Industrial | 183 | 197 | $18.13M | 9.20¢ | |
| Total | 7,397 | 347 | $39.84M | 11.49¢ |
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 (1,537 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 7,231 | 361 | $35.05M | 12.49¢ |
| 2022 | 7,272 | 348 | $34.16M | 11.97¢ |
| 2023 | 7,311 | 344 | $34.89M | 12.48¢ |
| 2024 | 7,351 | 348 | $36.90M | 13.64¢ |
| 2025 | 7,397 | 347 | $39.84M | 14.67¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 357 GWh
Winter peak demand: 82 MW
Energy losses: 2.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 7,397 meters
Counties served
Aurora, SDBrule, SDBuffalo, SDDavison, SDHanson, SDJerauld, SDMiner, SDSanborn, 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 #3236 in the EIA frame.