Parent company profile
CMS Energy
CMS Energy operates 43 U.S. generating facilities through 3 reported operators, with a combined nameplate capacity of 11.63 GW. The largest share of capacity is natural gas (41%), spread across 2 states.
Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ. The grouping of operators into this parent company is curated by GridAlmanac from public corporate-ownership records.
43
Plants
11.63 GW
Total capacity
3
Subsidiaries
2
States
Capacity mix
Natural Gas 41.3%Coal 23.9%Hydroelectric 18.2%Solar 9.1%Wind 7.2%Biomass 0.4%Storage 0.0%
Operating subsidiaries
2 smaller reported operators are included in the totals and plant list below but do not have their own operator pages.
By state
Operating plants
Retired plants (7)
| Plant | Fuel | Capacity |
|---|---|---|
| B C Cobbretired 2016 | Coal | 519.6 MW |
| J R Whitingretired 2016 | Coal | 364 MW |
| J C Weadockretired 2016 | Coal | 331.2 MW |
| Thetfordretired 2018 | Natural Gas | 222.4 MW |
| Gaylord - Consumersretired 2018 | Natural Gas | 80 MW |
| B E Morrowretired 2014 | Natural Gas | 36 MW |
| Straitsretired 2018 | Natural Gas | 20 MW |
Under construction (5)
| Plant | Fuel | Capacity |
|---|---|---|
| Sunfish Solar 2constr. | Solar | 360 MW |
| Muskegon Solarconstr. | Solar | 250 MW |
| Liberty Solar Energy Centerconstr. | Solar | 220 MW |
| Spring Creek Agri-Energy Centerconstr. | Solar | 140 MW |
| Karn Solar Energy Centerconstr. | Solar | 80 MW |
See the full operator directory under owners & operators.