Hours Of Operations Duke Energy Illinois Duke Energy Hours of Operation and Locations in Illinois 4.8 - 46 votes 2 Locations in Illinois www.duke-energy.com Duke Energy Hours Category: Home & Garden Duke Energy - Rossville, IL 60963 (800) 343-3525 View Store Details Duke Energy - Dixon, IL 61021 1674 Red Brick Rd(815) 285-6000 View Store Details Recommend For You Ferrellgas Toys R Us A Finishing Touch A Formal Affair A Head of Time A Healing Touch A Helping Hand A J Enterprises A J's Barber Shop A La Mode