City of Marshfield - (WI)
Municipal electric utility · Wisconsin · #923 of 3,199 U.S. utilities by customers · EIA utility #11740
City of Marshfield - (WI) is a municipal electric utility serving 14,008 customers in Wisconsin. In 2025 it sold 364 gigawatt-hours of electricity for $34.92M in revenue, an average realized rate of 9.60¢ per kWh across all customer classes and 10.33¢ per kWh for residential customers. Its reported service territory covers 3 counties. EIA records its activities as: generation, buying transmission, distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 11,974 | 102 | $10.51M | 10.33¢ | |
| Commercial | 1,980 | 87.3 | $8.85M | 10.14¢ | |
| Industrial | 54 | 175 | $15.56M | 8.89¢ | |
| Total | 14,008 | 364 | $34.92M | 9.60¢ |
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 (707 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 13,941 | 360 | $31.57M | 9.88¢ |
| 2022 | 13,975 | 361 | $36.30M | 11.14¢ |
| 2023 | 13,946 | 363 | $34.47M | 10.49¢ |
| 2024 | 13,966 | 356 | $33.06M | 10.07¢ |
| 2025 | 14,008 | 364 | $34.92M | 10.33¢ |
Reliability (2025)
Average outage time (SAIDI): 13 minutes per customer per year
Average outages (SAIFI): 0.14 per customer
Average restoration time (CAIDI): 92 minutes
As reported for Wisconsin 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: 19.2 GWh
Wholesale power purchased: 373 GWh
Winter peak demand: 58 MW
Energy losses: 2.2% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 14,026 meters
Customer-sited generation (net metering): 47 installations, 0.3 MW of capacity
Counties served
Clark, WIMarathon, WIWood, 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 #11740 in the EIA frame.