Consumer Complaints | Illinois Commerce Commission
Accepts consumer complaints regarding utility services, including electricity, natural gas, local telephone, sewer or water. Complaints also accepted for a variety of other services including railroad crossing, household goods movers.
Services
Date of Last Formal Update
05/28/2025
Data provided by
211 DuPage County
Physical Address
160 North LaSalle, Chicago, IL 60601
Hours
Monday to Friday, 8:30 am - 5:00 pm
Website
Application process
(1) File an complaint on the website, by calling 1-800-524-0795 and following the prompts, or by United States Postal Service (USPS) mail. (2) For Transportation questions call 217-782-4654 or send an email from: www.icc.illinois.gov/contactus/
Fee
No Fees
Required documents
Utility bills; Proof of residence in Illinois; Additional documents may be required.
Eligibility
Residents of Illinois
Languages
English, Spanish.
Service area
IL
Agency info
Illinois Commerce Commission
Provides Informational Services about public utility services and accepts consumer complaints.