CMS Energy's business strategy is focused primarily on its principal subsidiary, Consumers Energy, Michigan’s largest electric and natural gas utility, and the fourth largest combination utility in the U.S. Consumers Energy serves 6.7 million of the state’s 10 million residents. CMS Energy’s consolidated operating revenue was $6.6 billion in 2013. Through its CMS Enterprises subsidiary, CMS Energy also is engaged in independent power generation.
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Electric Distribution
Consumers Energy serves 1.8 million electric customers in Michigan’s Lower Peninsula. In 2013, Consumers Energy’s electric deliveries were 37 billion kWh. 2013 summer peak demand was 8,509 MW, which included ROA demand of 556 MW. Consumers Energy’s electric distribution system consists of:
- 65,000 miles of overhead and underground distribution lines
- 4,700 miles of high-voltage distribution lines
- Substations with an aggregate transformer capacity of 24 million kVA
Gas Distribution
Consumers Energy serves 1.7 million gas customers in Michigan’s Lower Peninsula. In 2013, Consumers Energy’s gas deliveries totaled 352 bcf. During 2013, 53% of the natural gas supplied to all customers during the winter months was supplied from storage. Consumers Energy has more than 300 bcf of gas storage, making it the largest storage for any LDC in the U.S. Consumers Energy’s gas utility has more than 50,000 miles of distribution mains and pipes, making it the 4th largest in the U.S. The gas distribution and transmission system consists of:
- 26,000 miles of distribution mains and 24,000 of service pipe
- 1,661 miles of transmission lines
- Seven compressor stations with a total of 150,027 available horsepower
- 15 gas storage fields with an aggregate storage capacity of 309 bcf, or 3.5% of all gas storage in the U.S.
Electric Generation
Consumers Energy has a total supply of 8,600 MW of generation capacity. Consumers Energy has a diverse and balanced generation portfolio, moving to a greater share of gas and renewable sources. By 2017, nearly half of Consumers Energy’s overall generating fleet capacity will come from gas and renewables, putting the company in a good position to meet carbon regulations.
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Dearborn Industrial Generation
Craven County Wood Energy