Power plants in St Clair County, Michigan
9 operating power plants in St Clair County, Michigan, with 4,488 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
9
Nameplate capacity
4,488 MW
Net generation, 2025
16.8 TWh
7 of 9 plants reported
Largest power plants in St Clair County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Belle RiverCoal | 1,664 | 6,490* | 48.6% |
| 2 | Blue Water Energy CenterNatural gas | 1,267 | 8,351 | 75.2% |
| 3 | Greenwood (MI)Natural gas | 1,071 | 1,250 | 13.3% |
| 4 | DeanNatural gas | 358 | 705 | 22.5% |
| 5 | Lake Iris Solar ProjectSolar | 100 | – | – |
| 6 | St ClairNatural gas | 19 | – | – |
| 7 | Cargill SaltNatural gas | 4.2 | 0.0 | – |
| 8 | Blue Water Renewables IncLandfill gas | 3.2 | 19.5 | 69.6% |
| 9 | Greenwood Solar FarmSolar | 1.4 | 1.7 | 13.6% |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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