City of Madison - (SD)
Municipal electric utility · South Dakota · #1,799 of 3,199 U.S. utilities by customers · EIA utility #11475
City of Madison - (SD) is a municipal electric utility serving 3,361 customers in South Dakota. In 2025 it sold 96.1 gigawatt-hours of electricity for $11.22M in revenue, an average realized rate of 11.69¢ per kWh across all customer classes and 12.41¢ per kWh for residential customers. Its reported service territory covers 1 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 | 2,818 | 35.7 | $4.44M | 12.41¢ | |
| Commercial | 474 | 34.7 | $4.08M | 11.74¢ | |
| Industrial | 69 | 25.6 | $2.71M | 10.60¢ | |
| Total | 3,361 | 96.1 | $11.22M | 11.69¢ |
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 (1,057 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 3,365 | 99.2 | $10.36M | 11.97¢ |
| 2022 | 3,314 | 104 | $10.21M | 11.30¢ |
| 2023 | 3,298 | 105 | $10.33M | 11.29¢ |
| 2024 | 3,322 | 94.9 | $9.77M | 11.49¢ |
| 2025 | 3,361 | 96.1 | $11.22M | 12.41¢ |
Energy supply (2025)
Net generation: 0.0 GWh
Wholesale power purchased: 101 GWh
Winter peak demand: 20 MW
Energy losses: 4.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 3,361 meters
Counties served
Lake, 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 #11475 in the EIA frame.