Williamson County, IL power plants

8 EIA-registered plants with 262.3 MW of nameplate capacity inside MISO; the largest is Marion at 249 MW.

Capacity by fuel

Nameplate capacity · plants

natural gas: 249 MW1
solar: 13.3 MW7

Williamson County, IL capacity ranking

8 matching plants · ranked by nameplate capacity

Rank	Plant	Capacity	Type	Operator	Location
1	MarionSouthern Illinois Power CoopDetailed profile	249 MW	Conventional Steam Coal, Natural Gas Fired Combustion Turbine	Southern Illinois Power Coop	Williamson County
2	Clendenin A Community Solar, LLC CSGClendenin A Community Solar, LLC	2 MW	Solar Photovoltaic	Clendenin A Community Solar, LLC	Williamson County
3	Hurricane Creek CSGSPG IL Hurricane Creek Solar LLC	2 MW	Solar Photovoltaic	SPG IL Hurricane Creek Solar LLC	Williamson County
4	Lukuc B Community Solar LLC CSGLukuc B Community Solar LLC	2 MW	Solar Photovoltaic	Lukuc B Community Solar LLC	Williamson County
5	SV CSG Barrass Farms II LLSV CSG Barrass Farms II LLC	2 MW	Solar Photovoltaic	SV CSG Barrass Farms II LLC	Williamson County
6	SV CSG Bishop 1 LLCSunVest Solar LLC	2 MW	Solar Photovoltaic	SunVest Solar LLC	Williamson County
7	SV CSG Gander Farms 1 ASV CSG Gander Farms 1 A, LLC	2 MW	Solar Photovoltaic	SV CSG Gander Farms 1 A, LLC	Williamson County
8	John A Logan College SolarREA Investments, LLC	1.3 MW	Solar Photovoltaic	REA Investments, LLC	Williamson County

Other MISO counties

plants

County assignment and capacity come from the EIA generator inventory. Capacity is nameplate capacity, not seasonal capability or available operating capacity. A plant can include multiple generators and technologies.