Great Lakes Energy Coop
Cooperative electric utility · Michigan · #190 of 3,199 U.S. utilities by customers · EIA utility #38084
Great Lakes Energy Coop is a cooperative electric utility serving 135,145 customers in Michigan. In 2025 it sold 1,657 gigawatt-hours of electricity for $276.29M in revenue, an average realized rate of 16.67¢ per kWh across all customer classes and 20.32¢ per kWh for residential customers. Its reported service territory covers 26 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 | 123,277 | 935 | $189.92M | 20.32¢ | |
| Commercial | 11,589 | 191 | $33.55M | 17.53¢ | |
| Industrial | 279 | 531 | $52.82M | 9.94¢ | |
| Total | 135,145 | 1,657 | $276.29M | 16.67¢ |
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 (632 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 128,202 | 1,592 | $214.44M | 16.10¢ |
| 2022 | 130,291 | 1,646 | $231.57M | 16.99¢ |
| 2023 | 131,726 | 1,595 | $230.31M | 17.71¢ |
| 2024 | 132,252 | 1,598 | $250.64M | 19.17¢ |
| 2025 | 135,145 | 1,657 | $276.29M | 20.32¢ |
Reliability (2025)
Average outage time (SAIDI): 4,401 minutes per customer per year
Average outages (SAIFI): 4.09 per customer
Average restoration time (CAIDI): 1,076 minutes
As reported for Michigan 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: 1,737 GWh
Winter peak demand: 282 MW
Energy losses: 4.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 135,145 meters
Customer-sited generation (net metering): 856 installations, 4.7 MW of capacity
Counties served
Allegan, MIAntrim, MIBarry, MICharlevoix, MICheboygan, MIClare, MICrawford, MIEmmet, MIGrand Traverse, MIKalkaska, MIKent, MILake, MIManistee, MIMason, MIMecosta, MIMissaukee, MIMontcalm, MIMontmorency, MIMuskegon, MINewaygo, MIOceana, MIOsceola, MIOscoda, MIOtsego, MIOttawa, MIWexford, MI
Other large utilities in Michigan
- DTE Electric Company - 2,290,492 customers, residential 20.25¢
- Consumers Energy Co - (MI) - 1,900,985 customers, residential 20.66¢
- City of Lansing - (MI) - 98,331 customers, residential 19.44¢
- Upper Peninsula Power Company - 53,997 customers, residential 27.98¢
- Cloverland Electric Co-op - 44,010 customers, residential 14.27¢
- Cherryland Electric Coop Inc - 39,114 customers, residential 17.29¢
- Upper Michigan Energy Resources Corp. - 37,420 customers, residential 17.46¢
- Midwest Energy Cooperative - (MI) - 37,183 customers, residential 19.46¢
All Michigan utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #38084 in the EIA frame.