Power plants in St Joseph County, Indiana

10 operating power plants in St Joseph County, Indiana, with 1,010 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

10

Nameplate capacity

1,010 MW

Net generation, 2025

5.69 TWh

9 of 10 plants reported

Largest power plants in St Joseph County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1St Joseph Energy CenterNatural gas7805,33578.1%St Joseph Energy Center LLC
2Honeysuckle Solar FarmSolar15027520.9%Lightsource Renewable Energy Asset Management, LLC
3University of Notre DameNatural gas38––University of Notre Dame
4St. Joseph SolarSolar2036.921.0%Indiana Michigan Power Co
5Prairie View I & II LFGTENatural gas6.40.0–Wabash Valley Power Assn, Inc
6OlivePVSolar5.08.519.4%Indiana Michigan Power Co
7Twin BranchHydro4.821.450.9%Indiana Michigan Power Co
8Twin Branch PVSolar2.64.017.6%Indiana Michigan Power Co
9Notre Dame HydroHydro2.56.027.6%University of Notre Dame
10WalkertonSolar1.11.920.2%Indiana Municipal Power Agency

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

More power plant lists for Indiana

Other counties in Indiana