Consumers Energy, a CMS Energy subsidiary, generates and distributes electricity and delivers gas in Michigan's Lower Peninsula. It serves 1.9 million electric customers. The high-voltage grid it connects to belongs to METC. Alternative suppliers are capped at 10% of its sales.

Electricity network
- Activities
- GenerationDistributionGas
- Customers
- 1.9 M· electric customers, 2025
- Smart meters
- 99.3%· 1.9 M AMI meters, 2025 (EIA early release)
- Outage time
- 163 min· SAIDI 2025, excl. major events, early release
- Outages
- 0.88· SAIFI 2025, excl. major events, early release
- Network length
- 97,785 mi· 10% underground
- Coverage
- Michigan
- Grand Rapids
- Kalamazoo
- Flint
- Saginaw
- Jackson
- Muskegon
Power or gas for 6.8 million of Michigan's 10 million residents. With major events, outage time was 819 min in 2025 (early release).