City of Columbus - (WI)
Municipal electric utility · Wisconsin · #1,895 of 3,199 U.S. utilities by customers · EIA utility #4073
City of Columbus - (WI) is a municipal electric utility serving 2,917 customers in Wisconsin. In 2025 it sold 76.8 gigawatt-hours of electricity for $8.34M in revenue, an average realized rate of 10.86¢ per kWh across all customer classes and 12.77¢ per kWh for residential customers. Its reported service territory covers 2 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 | 2,468 | 19.5 | $2.49M | 12.77¢ | |
| Commercial | 446 | 24.6 | $2.90M | 11.79¢ | |
| Industrial | 3 | 32.7 | $2.96M | 9.03¢ | |
| Total | 2,917 | 76.8 | $8.34M | 10.86¢ |
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 (657 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 2,849 | 74.2 | $7.49M | 12.29¢ |
| 2022 | 2,896 | 76.3 | $8.26M | 13.09¢ |
| 2023 | 2,895 | 73.0 | $7.64M | 12.63¢ |
| 2024 | 2,906 | 75.3 | $7.77M | 12.34¢ |
| 2025 | 2,917 | 76.8 | $8.34M | 12.77¢ |
Energy supply (2025)
Net generation: 0.0 GWh
Wholesale power purchased: 78.7 GWh
Winter peak demand: 13 MW
Energy losses: 2.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 2,935 meters
Customer-sited generation (net metering): 20 installations, 0.1 MW of capacity
Counties served
Columbia, WIDodge, WI
Other large utilities in Wisconsin
- Wisconsin Electric Power Co - 1,179,163 customers, residential 20.53¢
- Wisconsin Power & Light Co - 505,706 customers, residential 18.47¢
- Wisconsin Public Service Corp - 472,199 customers, residential 17.20¢
- Northern States Power Co - 273,992 customers, residential 15.55¢
- Madison Gas & Electric Co - 168,439 customers, residential 21.11¢
- Adams-Columbia Electric Coop - 39,826 customers, residential 18.98¢
- Polk-Burnett Electric Coop - 22,408 customers, residential 15.96¢
- Riverland Energy Cooperative - 20,219 customers, residential 16.19¢
All Wisconsin utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #4073 in the EIA frame.