CMS Energy Resource Management
Retail Power Marketer electric utility · Michigan · #3,146 of 3,199 U.S. utilities by customers · EIA utility #3991
CMS Energy Resource Management is a retail power marketer electric utility serving 18 customers in Michigan. In 2025 it sold 539 gigawatt-hours of electricity for $32.71M in revenue, an average realized rate of 6.07¢ per kWh across all customer classes and — per kWh for residential customers. EIA records its activities as: wholesale marketing, retail marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Commercial | 17 | 363 | $22.86M | 6.29¢ | |
| Industrial | 1 | 176 | $9.85M | 5.59¢ | |
| Total | 18 | 539 | $32.71M | 6.07¢ |
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 (— kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 1 | 175 | $6.88M | — |
| 2022 | 1 | 176 | $8.13M | — |
| 2023 | 1 | 176 | $10.22M | — |
| 2024 | 11 | 433 | $22.39M | — |
| 2025 | 18 | 539 | $32.71M | — |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 4,178 GWh
Winter peak demand: 71 MW
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¢
- Great Lakes Energy Coop - 135,145 customers, residential 20.32¢
- 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¢
All Michigan utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #3991 in the EIA frame.