Homes and businesses lost power Wednesday after a line of storms moved through the area.
The Ameren Illinois website listed 33,134 customers without power throughout Illinois as of 9:12 a.m. Thursday. In Granite City, 688 customers were without power; in Edwardsville, 317 still had no electricity Thursday morning.
"Ameren Illinois and multi-aid crews from other utilities and contractors are in the field working to safely restore remaining outages," the company posted on its Facebook page Thursday.
Scanner traffic indicated trees and power lines down throughout the area.