Power plants operated by Duke Energy Indiana, LLC
Duke Energy Indiana, LLC operates 14 power plants in the 2025 EIA-860 data, with 7,121 MW of nameplate capacity, the 34th-largest fleet among the 5,826 operators on file. They are spread over two states: Indiana and Ohio. Coal is 66% of the capacity; the largest site is Gibson. Its oldest working unit dates from 1950, at Noblesville. Units added from 2020 to 2025 total 23.3 MW.
- Coal4,733 MW66%
- Natural gas2,264 MW32%
- Hydroelectric77.7 MW1.1%
- Solar20.6 MW0.3%
- Battery storage15 MW0.2%
- Oil and petroleum10.4 MW0.1%
Capacity by decade it came online
CoalNatural gasOil and petroleumHydroelectricSolarBattery storage
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| Gibson | Indiana | Coal | 3,340 MW | 1975 |
| Cayuga | Indiana | Coal | 1,185 MW | 1970 |
| Edwardsport | Indiana | Natural gas | 813 MW | 2013 |
| Madison | Ohio | Natural gas | 692 MW | 2000 |
| Wheatland Generating Facility | Indiana | Natural gas | 500 MW | 2000 |
| Noblesville | Indiana | Natural gas | 283 MW | 1950 |
| Henry County | Indiana | Natural gas | 182 MW | 2001 |
| Markland | Indiana | Hydroelectric | 77.7 MW | 1967 |
| Crane Solar Facility | Indiana | Solar | 17 MW | 2017 |
| Purdue CHP | Indiana | Natural gas | 13.3 MW | 2022 |
| Camp Atterbury Microgrid Hybrid | Indiana | Battery storage | 7 MW | 2019 |
| Crane Battery Energy Storage System | Indiana | Battery storage | 5 MW | 2020 |
| Nabb Battery Energy Storage System | Indiana | Battery storage | 5 MW | 2020 |
| Tippecanoe Solar Power Plant | Indiana | Solar | 1.6 MW | 2019 |