Powerful thunderstorms with winds of up to 90 mph slammed into the Chicago area, knocking out power to about 206,000 ComEd customers.
Sixty-six Illinois cities and counties will have referenda regarding electricity, asking whether to engage in municipal aggregation.
Estimates are that customers would see rates climb about $36 a year, on average.
Consumers are running AC day and night.
Repair crews are still working to get the lights back after a storm blew through the area Monday morning.
In Chicago, landmarks like the Merchandise Mart, Navy Pier and Wrigley Field will go dark. In Springfield the Governor’s Mansion lights will be dimmed.