Southern Illinois Power Cooperative Email Format
UtilitiesIllinois, United States11-50 Employees
Southern Illinois Power Cooperative is a generation and transmission utility based in Marion, in southern Illinois. It provides wholesale electric power to seven member distribution cooperatives and two wholesale customers across the region, supported by more than 900 miles of high-voltage transmission lines and multiple substations. Its generation portfolio includes coal-fired and natural gas-fired plants in Williamson and Washington Counties, along with long-term hydro contracts in the TVA region and wind generation in Paxton, Illinois. Its customers are rural electric cooperatives and other wholesale buyers in southern Illinois, relying on SIPC for a diversified and reliable energy supply and transmission access. In November 2020, SIPC announced a request for proposals for MISO products, reflecting ongoing strategic procurement activity.