Marion
A 249 MW natural gas power plant in Williamson, Illinois, owned by Southern Illinois Power Coop, commissioned in 1963.
Facility nameplate · EIA Plant ID 976Natural Gas
Nameplate capacity
249 MW
Primary fuel
Natural Gas
Commissioned
1963
Owner
Southern Illinois Power Coop
Location
Williamson, Illinois
Coordinates
Generation (2024)
746.2 GWh
Other fuels
Coal
Status
Operating
Technology
Natural Gas Fired Combustion Turbine
Units
5
Reported annual generation
| Year | GWh | |
|---|---|---|
| 2015 | 1,800.9 | |
| 2016 | 1,655.1 | |
| 2017 | 1,636.1 | |
| 2018 | 1,718.9 | |
| 2019 | 1,652 | |
| 2020 | 911.5 | |
| 2021 | 669.4 | |
| 2022 | 784.3 | |
| 2023 | 708.9 | |
| 2024 | 746.2 |
Nearby power plants
| Plant | Fuel | Capacity | Distance |
|---|---|---|---|
| SV CSG Barrass Farms II LL | Solar | 2 MW | ~15 km |
| John A Logan College Solar | Solar | 1.3 MW | ~19 km |
| Hurricane Creek CSG | Solar | 2 MW | ~21 km |
| Clendenin A Community Solar, LLC CSG | Solar | 2 MW | ~24 km |
| SIUC | Coal | 5.1 MW | ~25 km |
| Lukuc B Community Solar LLC CSG | Solar | 2 MW | ~25 km |
See all natural gas plants in Illinois or browse all plants in Illinois.