Willmar Municipal Utilities (MN)
Municipal electric utility · Minnesota · #1,104 of 3,199 U.S. utilities by customers · EIA utility #20737
Willmar Municipal Utilities (MN) is a municipal electric utility serving 10,608 customers in Minnesota. In 2025 it sold 270 gigawatt-hours of electricity for $31.99M in revenue, an average realized rate of 11.84¢ per kWh across all customer classes and 13.77¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: generation, transmission, buying transmission, distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 8,521 | 69.1 | $9.52M | 13.77¢ | |
| Commercial | 2,070 | 110 | $13.00M | 11.83¢ | |
| Industrial | 17 | 91.3 | $9.48M | 10.38¢ | |
| Total | 10,608 | 270 | $31.99M | 11.84¢ |
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 (676 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 9,819 | 273 | $27.53M | 11.68¢ |
| 2022 | 9,980 | 267 | $27.11M | 11.52¢ |
| 2023 | 10,164 | 267 | $27.39M | 11.69¢ |
| 2024 | 10,171 | 265 | $28.27M | 12.21¢ |
| 2025 | 10,608 | 270 | $31.99M | 13.77¢ |
Reliability (2025)
Average outage time (SAIDI): 16 minutes per customer per year
Average outages (SAIFI): 0.39 per customer
Average restoration time (CAIDI): 41 minutes
As reported for Minnesota 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: 0.1 GWh
Wholesale power purchased: 279 GWh
Winter peak demand: 42 MW
Energy losses: 2.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 10,608 meters
Customer-sited generation (net metering): 18 installations, 0.3 MW of capacity
Counties served
Kandiyohi, MN
Other large utilities in Minnesota
- Northern States Power Co - Minnesota - 1,594,256 customers, residential 16.50¢
- ALLETE, Inc. - 153,192 customers, residential 15.86¢
- Connexus Energy - 148,716 customers, residential 14.11¢
- Otter Tail Power Co - 134,544 customers, residential 11.19¢
- Dakota Electric Association - 117,913 customers, residential 15.63¢
- East Central Energy - 68,154 customers, residential 17.60¢
- Rochester Public Utilities - 60,963 customers, residential 18.58¢
- Wright-Hennepin Coop Elec Assn - 57,130 customers, residential 15.00¢
All Minnesota utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #20737 in the EIA frame.