Caterpillar, Inc. v. Illinois Commerce Commission

This consolidated appeal arose as a result of a petition filed by Commonwealth Edison (ComEd) to declare certain electrical services “competitive” and to allow certain tariff amendments implementing the competitive service. Numerous parties intervened, including: Peoples Energy Service Corporation; Central Illinois Light Company; the People of Cook County; the People of the State of Illinois; Illinois Power Company; Blackhawk Energy Services, LLC; MidAmerican Energy Company; Illinois Industrial Energy Consumers; the United States Department of Energy; Citizens Utility Board; Metropolitan…