GIBSON
OperatingCoal power plant
- Capacity
- 3,340 MW
- Primary fuel
- Coal
- County
- Gibson County
- Operator
- DUKE ENERGY INDIANA INC
- Status
- Operating
- Commissioned
- 1975
- EIA plant ID
- 6113
- Generators
- 5
- Technology
- Conventional Steam Coal
- Net generation (2024)
- 10,032 GWh
- Capacity factor (2024, EIA nameplate)
- 34%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 38.3722, -87.7658
GIBSON, a 3,340 MW Coal power plant in Gibson County, Indiana. Operated by DUKE ENERGY INDIANA INC, commissioned 1975.
How GIBSON compares
With 3,340 MW of capacity, GIBSON is the largest of the 77 operating power plants Bywatts maps in Indiana and the largest of the 19 operating Coal plants in the state. It accounts for about 19% of Indiana's operating Coal capacity and 13% of all operating capacity in the state. Nationally it is the 4th-largest of the 324 operating Coal plants in the database. Commissioned in 1975, it is older than 72% of the 73 operating Indiana plants with a recorded commissioning year. Its operator, DUKE ENERGY INDIANA INC, runs 7 operating plants in Indiana totaling 5,601 MW.
EIA-860 lists 5 generators at the site with 3,340 MW of nameplate capacity, all conventional steam coal technology. Net generation was 10,032 GWh in 2024 (a 34% capacity factor), up 9% from 2022. Its generators came online between 1975 and 1982.
Grid neighborhood
The closest transmission line found within 10 miles is a 345 kV line owned by DUKE ENERGY INDIANA, LLC, under 0.1 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
GIBSON is a 3,340 MW coal power plant in Gibson County, IN, operated by DUKE ENERGY INDIANA INC, commissioned in 1975. Gibson County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 45th national percentile. Earthquake is the leading peril, rated Relatively Low by FEMA at the 93rd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Gibson County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Low | 93rd | 4.7 of 5 | <0.01 |
| Heat wave | Relatively Low | 91st | 4.6 of 5 | 8.4 |
| Strong wind | Relatively Moderate | 80th | 4.2 of 5 | 4.2 |
| Winter weather | Relatively Low | 70th | 3.8 of 5 | 8.0 |
| Ice storm | Relatively Low | 56th | 3.2 of 5 | 0.38 |
| Hail | Relatively Low | 56th | 3.2 of 5 | 2.9 |
| Lightning | Relatively Low | 41st | 2.6 of 5 | 52.4 |
| Wildfire | Very Low | 31st | 2.3 of 5 | <0.01 |
| Tornado | Relatively Low | 28th | 2.1 of 5 | 0.34 |
| Hurricane | Very Low | 23rd | 1.9 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 19th | 1.8 of 5 | 8.7 |
Perils not assessed in Gibson County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Gibson County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.