Southern Illinois Power Cooperative
PO Box 40, Breese, Illinois, United States

Southern Illinois Power Cooperative is a generation and transmission cooperative providing wholesale electric power to seven member distribution cooperatives and two wholesale customers in Illinois. Annual revenues are $200 million and assets are approaching $1 billion. SIPC owns coal fired and natural-gas fired generation plants which are located in Williamson and Washington Counties, Illinois. In addition SIPC has long-term power contracts for hydro in the TVA region and wind located in Paxton, Illinois. With cooperatives and customers located throughout the southern portion of Illinois, it owns and operates over 900 miles of high-voltage transmission and multiple substations.

Customers

SIPC member cooperatives provide electricity to over 100,000 end-use customers. The service area is primarily residential and agricultural although some members have seen increased load from the resurgence of the local coal industry. Total population served approximates 250,000 people.

Governance

SIPC is directed by a 28 member Board. Each member distribution cooperative is represented by their general manager and three of their directors. The Board meets monthly. 

Power Supply

• 120 MW circulating fluidized bed boiler (coal fired), Marion, IL
• 173 MW cyclone boiler (coal-fired unit), Marion, IL
• Two 70 MW simple cycle combustion turbines (natural gas or oil), Marion, IL
• 28 MW of hydro-power from the SouthEastern Power Administration, Tennessee Valley
• 125 MW representing 7.9% ownership in Prairie State Energy Campus (mine mouth coal units), Lively Grove, IL.
• 10 MW Pioneer Trail Wind Farm, Paxton, IL