Mille Lacs Energy Cooperative
Cooperative electric utility · Minnesota · #858 of 3,199 U.S. utilities by customers · EIA utility #12546
Mille Lacs Energy Cooperative is a cooperative electric utility serving 16,058 customers in Minnesota. In 2025 it sold 211 gigawatt-hours of electricity for $32.84M in revenue, an average realized rate of 15.57¢ per kWh across all customer classes and 17.50¢ per kWh for residential customers. Its reported service territory covers 3 counties. EIA records its activities as: distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 14,603 | 130 | $22.77M | 17.50¢ | |
| Commercial | 1,340 | 39.1 | $5.15M | 13.17¢ | |
| Industrial | 115 | 41.6 | $4.91M | 11.80¢ | |
| Total | 16,058 | 211 | $32.84M | 15.57¢ |
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 (743 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 15,600 | 200 | $28.62M | 15.50¢ |
| 2022 | 15,824 | 206 | $29.11M | 15.23¢ |
| 2023 | 15,912 | 195 | $30.31M | 17.11¢ |
| 2024 | 15,978 | 193 | $30.36M | 17.58¢ |
| 2025 | 16,058 | 211 | $32.84M | 17.50¢ |
Reliability (2025)
Average outage time (SAIDI): 208 minutes per customer per year
Average outages (SAIFI): 1.35 per customer
Average restoration time (CAIDI): 154 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: — GWh
Wholesale power purchased: 221 GWh
Winter peak demand: 37 MW
Energy losses: 4.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 19,727 meters
Customer-sited generation (net metering): 74 installations, 1.1 MW of capacity
Counties served
Aitkin, MNCrow Wing, MNMille Lacs, 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 #12546 in the EIA frame.