Power plants in Indiana
Indiana has 221 power plants of 1 MW or more in the 2025 EIA-860 data, with 33.6 GW of nameplate capacity, the 13th-largest total among the 50 states and DC. Coal accounts for 41% of that capacity. The biggest single site is Gibson at 3,340 MW. Units that came online from 2020 to 2025 add 6,863 MW, led by solar at 63%. Units retired since 2016 at plants still operating total 2,896 MW, most of it coal.
- Coal13,731 MW41%
- Natural gas10,216 MW30%
- Solar4,593 MW14%
- Wind3,857 MW11%
- Other sources639 MW1.9%
- Battery storage337 MW1.0%
- Hydroelectric108 MW0.3%
- Oil and petroleum97.9 MW0.3%
- Biomass and waste51.6 MW0.2%
What is running, by the decade it came online
CoalNatural gasOil and petroleumHydroelectricWindSolarBattery storageBiomass and wasteOther sources
Columns above the line show capacity still operating in 2025, stacked by fuel. Below the line: capacity retired in each decade at plants that still operate.
The 25 largest plants
| Rank | Plant | Runs on | Capacity | First unit | Operator |
|---|---|---|---|---|---|
| 1 | Gibson | Coal | 3,340 MW | 1975 | Duke Energy Indiana, LLC |
| 2 | Rockport | Coal | 2,600 MW | 1984 | Indiana Michigan Power Co |
| 3 | AES Petersburg | Coal | 1,350 MW | 1967 | AES Indiana |
| 4 | Clifty Creek | Coal | 1,304 MW | 1955 | Indiana-Kentucky Electric Corp |
| 5 | Lawrenceburg Power, LLC | Natural gas | 1,232 MW | 2004 | Lawrenceburg Power, LLC |
| 6 | Cayuga | Coal | 1,185 MW | 1970 | Duke Energy Indiana, LLC |
| 7 | R M Schahfer | Coal | 1,105 MW | 1979 | Northern Indiana Pub Serv Co |
| 8 | Merom | Coal | 1,080 MW | 1982 | Hallador Power Company, LLC |
| 9 | Harding Street | Natural gas | 1,065 MW | 1958 | AES Indiana |
| 10 | Warrick | Coal | 823 MW | 1960 | AGC Division of APGI Inc |
| 11 | Edwardsport | Natural gas | 813 MW | 2013 | Duke Energy Indiana, LLC |
| 12 | St Joseph Energy Center | Natural gas | 780 MW | 2018 | St Joseph Energy Center LLC |
| 13 | Vermillion Energy Facility | Natural gas | 692 MW | 2000 | Duke Energy Ohio Inc |
| 14 | Sugar Creek Power | Natural gas | 665 MW | 2002 | Northern Indiana Pub Serv Co |
| 15 | A B Brown | Natural gas | 647 MW | 1991 | Southern Indiana Gas & Elec Co |
| 16 | Eagle Valley (IN) | Natural gas | 644 MW | 2018 | AES Indiana |
| 17 | Fowler Ridge Wind Farm LLC | Wind | 588 MW | 2009 | Clearlight Energy Holdings LP |
| 18 | Whiting Clean Energy | Natural gas | 577 MW | 2002 | BP Alternative Energy |
| 19 | Michigan City | Coal | 540 MW | 1974 | Northern Indiana Pub Serv Co |
| 20 | Wheatland Generating Facility | Natural gas | 500 MW | 2000 | Duke Energy Indiana, LLC |
| 21 | Dunns Bridge II Solar | Solar | 491 MW | 2025 | Dunns Bridge II Solar and Storage Generation LLC |
| 22 | Lawrence County Station | Natural gas | 402 MW | 2005 | Hoosier Energy R E C, Inc |
| 23 | Mammoth North Solar | Solar | 400 MW | 2024 | Mammoth North, LLC |
| 24 | Jordan Creek Wind Farm, LLC | Wind | 399 MW | 2020 | Jordan Creek Wind Farm, LLC |
| 25 | F B Culley | Coal | 369 MW | 1966 | Southern Indiana Gas & Elec Co |
Largest plant for each main fuel
| Main fuel | Plants | Capacity | Largest plant | Its capacity |
|---|---|---|---|---|
| Coal | 11 | 13.8 GW | Gibson | 3,340 MW |
| Natural gas | 37 | 10.3 GW | Lawrenceburg Power, LLC | 1,232 MW |
| Solar | 121 | 4,694 MW | Dunns Bridge II Solar | 491 MW |
| Wind | 20 | 3,857 MW | Fowler Ridge Wind Farm LLC | 588 MW |
| Other sources | 7 | 639 MW | ArcelorMittal Burns Harbor | 176 MW |
| Battery storage | 4 | 217 MW | Pike County Energy Storage | 200 MW |
| Hydroelectric | 6 | 108 MW | Markland | 77.7 MW |
| Oil and petroleum | 5 | 13 MW | Lilly Technical Center | 5 MW |
| Biomass and waste | 10 | 58 MW | Liberty I & II LFGTE | 12.8 MW |
Balancing areas
| Area | Plants | Capacity |
|---|---|---|
| MISO (Midcontinent) | 164 | 23.8 GW |
| PJM Interconnection | 57 | 9,835 MW |
Biggest operators here
| Operator | Plants | Capacity |
|---|---|---|
| Duke Energy Indiana, LLC | 13 | 6,429 MW |
| AES Indiana | 5 | 3,505 MW |
| Indiana Michigan Power Co | 7 | 2,638 MW |
| Northern Indiana Pub Serv Co | 5 | 2,329 MW |
| Indiana-Kentucky Electric Corp | 1 | 1,304 MW |
| Southern Indiana Gas & Elec Co | 7 | 1,266 MW |
| Lawrenceburg Power, LLC | 1 | 1,232 MW |
| Hallador Power Company, LLC | 1 | 1,080 MW |
| AGC Division of APGI Inc | 1 | 823 MW |
| St Joseph Energy Center LLC | 1 | 780 MW |