Directory of Power Plants in Michigan
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Spartan PV 1, LLC | NJR Clean Energy Ventures Corporation | East Lansing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | Nov 2017 | Dec 2024 | Solar |
| Superior | DTE Electric Company | Superior Twp, MI | Midcontinent Independent System Operator, Inc. (MISO) | 789.0 MWh | Sep 1966 | Dec 2025 | Distillate Fuel Oil |
| Surbrook Solar, LLC | Surbrook Solar, LLC | Rives Junction, MI | Midcontinent Independent System Operator, Inc. (MISO) | 19.6 GWh | Aug 2024 | Dec 2025 | Solar |
| Surrey Road | Greenbacker Renewable Energy Corporation | Clare, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Dec 2024 | Dec 2025 | Solar |
| Shipsterns Solar, LLC | Shipsterns Solar, LLC | Albion, MI | Midcontinent Independent System Operator, Inc. (MISO) | 40.8 GWh | Sep 2023 | Dec 2025 | Solar |
| Stoneheart Solar, LLC | Stoneheart Solar, LLC | Saginaw, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2020 | Dec 2025 | Solar |
| Southeast Berrien Generating Facility | North American Natural Res | Niles, MI | PJM Interconnection, LLC (PJM) | 20.5 GWh | Apr 2009 | Dec 2025 | Landfill Gas |
| Stoney Corners Wind Farm | DTE Sustainable Generation | McBain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 125.3 GWh | Nov 2009 | Dec 2025 | Wind |
| Sumpter Energy Associates | NextEra Renewable Fuels, LLC | Belleville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 52.5 GWh | Jun 1992 | Dec 2025 | Landfill Gas |
| Sumpter | Wolverine Power Supply Coop | Belleville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 290.9 GWh | Jun 2002 | Dec 2025 | Natural Gas |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 156.0 GWh | Jun 1932 | Dec 2025 | Water |
| Sturgis City Diesel Plant | City of Sturgis - (MI) | Sturgis, MI | PJM Interconnection, LLC (PJM) | 1.3 GWh | Nov 1981 | Dec 2025 | Natural Gas : 86.6% Distillate Fuel Oil : 13.4% |
| St Louis | City of St Louis - (MI) | St. Louis, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 MWh | Dec 1918 | Dec 2025 | Distillate Fuel Oil |
| Superior Falls | Northern States Power Co - Minnesota | Ironwood, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Dec 1916 | Dec 2025 | Water |
| Sigel Wind Park | DTE Electric Company | Harbor Beach, MI | Midcontinent Independent System Operator, Inc. (MISO) | 246.1 GWh | Nov 2012 | May 2026 | Wind |
| St Clair | DTE Electric Company | East China Twp, MI | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 GWh | Jul 1953 | May 2026 | Distillate Fuel Oil : 52.4% Natural Gas : 47.6% |
| Sauk Solar Park | DTE Electric Company | Union City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 228.5 GWh | Dec 2024 | May 2026 | Solar |