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. read more