Monroe (MI)
Monroe (MI) is a coal plant in Monroe County, Michigan, operated by DTE Electric Company. By nameplate capacity it is the 11th-largest power plant in the United States and the largest in Michigan. Among the 195 coal plants in the country it is the fourth-largest. The operator has reported planned retirement dates for 3,280 MW of it, between 2028 and 2032.
Nameplate capacity, 2025
3,293 MW
3,080 MW net summer capacity
9 operable units
- Coal steam3,280 MW100%
- Oil-fired13.5 MW0.4%
Unit by unit, 1969 to 2025
operating in 2025reported planned retirementbar height follows unit size
Unit IC1 Oil-fired, 2.7 MW, 1969
Unit IC2 Oil-fired, 2.7 MW, 1969
Unit IC3 Oil-fired, 2.7 MW, 1969
Unit IC4 Oil-fired, 2.7 MW, 1969
Unit IC5 Oil-fired, 2.7 MW, 1969
Unit 1 Coal steam, 817 MW, 1971
Unit 2 Coal steam, 823 MW, 1973
Unit 3 Coal steam, 823 MW, 1973
Unit 4 Coal steam, 817 MW, 1974
Among Michigan’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Monroe (MI)this plant
- 2Donald C Cook2,285 MW
- 3Ludington1,979 MW
Other rankings
- Coal plants in Michigan
- 1st of 6
- Plants in the MISO (Midcontinent) balancing area
- 2nd of 2,383
- Plants run by DTE Electric Company
- 1st of 39
- Biggest single unit, among Michigan’s plants
- 4th of 282
Operable units
By the year its oldest working unit started, it is the third-oldest of Michigan’s 6 coal plants.
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| IC1 | Oil-fired | 2.7 MW | 2 MW | 1969 | Operating |
| IC3 | Oil-fired | 2.7 MW | 3 MW | 1969 | Operating |
| IC5 | Oil-fired | 2.7 MW | 3 MW | 1969 | Operating |
| IC2 | Oil-fired | 2.7 MW | 3 MW | 1969 | Operating |
| IC4 | Oil-fired | 2.7 MW | 3 MW | 1969 | Operating |
| 1 | Coal steam | 817 MW | 758 MW | 1971 | Operating, retirement planned for 2032 |
| 2 | Coal steam | 823 MW | 773 MW | 1973 | Operating, retirement planned for 2032 |
| 3 | Coal steam | 823 MW | 773 MW | 1973 | Operating, retirement planned for 2028 |
| 4 | Coal steam | 817 MW | 762 MW | 1974 | Operating, retirement planned for 2028 |
Grid and site
- Balancing area
- MISO (Midcontinent)
- Reliability region
- ReliabilityFirst
- Highest grid connection voltage
- 345 kV
- Water source
- Raisin River
- Nearest town on record
- Monroe
- Operator type
- Utility
- Coordinates
- 41.891°N, 83.346°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Fermi | Nuclear | 1,281 MW | 6.8 mi northeast |
| Temperance Solar, LLC | Solar | 20 MW | 13.2 mi southwest |
| FirstEnergy Bay Shore | Oil and petroleum | 187 MW | 14.5 mi south |
| Bay View Cogeneration Facility | Biomass and waste | 12 MW | 15.7 mi southwest |
| Bay View Backup Power Facility | Natural gas | 12 MW | 15.7 mi southwest |
| Oregon Clean Energy Center | Natural gas | 1,062 MW | 16.2 mi south |
| Sumpter Energy Associates | Biomass and waste | 11.2 MW | 16.8 mi northwest |
| Slocum Energy Storage | Battery storage | 14 MW | 18.0 mi northeast |