There are a number of northern Illinois cities that have their own utility grids. Off the top of my head I can think of Naperville, Princeton, Rochelle, and Per

There are a number of northern Illinois cities that have their own utility grids. Off the top of my head I can think of Naperville, Princeton, Rochelle, and Peru, with the last three having their own power plants. Rochelle's municipal utility system also provides water and sewer, and fiber-optic internet. https://www.rmu.net/ https://www.rmu.net/