GridPlants

Fermi

NuclearMichigan

Fermi is a nuclear plant in Monroe County, Michigan, operated by DTE Electric Company. Counting by its oldest working unit (1966), it is the oldest of the 56 nuclear plants still running in the United States. Its biggest unit, rated at 1,217 MW, is the largest single generator in Michigan.

Nameplate capacity, 2025

1,281 MW

1,192 MW net summer capacity

5 operable units

  • Nuclear1,217 MW95%
  • Oil-fired64 MW5.0%

Unit by unit, 1966 to 2025

operating in 2025bar height follows unit size

Unit 3 Oil-fired, 16 MW, 1966
Unit 4 Oil-fired, 16 MW, 1966
Unit GT1 Oil-fired, 16 MW, 1966
Unit GT2 Oil-fired, 16 MW, 1966
Unit 2 Nuclear, 1,217 MW, 1988

Among Michigan’s plants

Largest plants in the state by nameplate capacity, with the plants ranked next to this one.

  1. 1Monroe (MI)3,293 MW
  2. 2Donald C Cook2,285 MW
  3. 3Ludington1,979 MW
  4. 6J H Campbell1,561 MW
  5. 7Dan E Karn1,402 MW
  6. 8Fermithis plant
  7. 9Blue Water Energy Center1,267 MW
  8. 10New Covert Generating Facility1,176 MW

All power plants in Michigan

Other rankings

All US power plants
195th of 14,286
Power plants in Michigan
8th of 282
US nuclear plants
39th of 56
Nuclear plants in Michigan
2nd of 3
Plants in the MISO (Midcontinent) balancing area
27th of 2,383
Plants run by DTE Electric Company
3rd of 39

Operable units

UnitTechnologyNameplateSummerOnlineStatus
3Oil-fired16 MW13 MW1966Operating
4Oil-fired16 MW12 MW1966Operating
GT1Oil-fired16 MW13 MW1966Operating
GT2Oil-fired16 MW13 MW1966Operating
2Nuclear1,217 MW1,141 MW1988Operating

Grid and site

Balancing area
MISO (Midcontinent)
Reliability region
ReliabilityFirst
Highest grid connection voltage
345 kV
Water source
Lake Erie
Nearest town on record
Frenchtown Twp
Operator type
Utility
Coordinates
41.963°N, 83.258°W

Closest plants

PlantRuns onCapacityDistance
Monroe (MI)Coal3,293 MW6.8 mi southwest
Slocum Energy StorageBattery storage14 MW11.6 mi north
Riverview Energy SystemsBiomass and waste6.6 MW14.2 mi north
Sumpter Energy AssociatesBiomass and waste11.2 MW15.8 mi northwest
WyandotteNatural gas48.9 MW17.9 mi north
French Landing DamHydroelectric1.6 MW19.7 mi northwest
SumpterNatural gas340 MW19.9 mi northwest
Temperance Solar, LLCSolar20 MW19.9 mi southwest