Public Utility Service Complaints - Citizens Utility Board - Main Office
309 West Washington Street, Suite 800, Chicago, IL 60606
Eligibility
Must be Illinois resident
Hours
Mon 9:00am - 4:00pm
Tue 9:00am - 4:00pm
Wed 9:00am - 4:00pm
Thu 9:00am - 4:00pm
Fri 9:00am - 4:00pm
Office Hours are 9:00-5:00
Consumer Complaints and Inquiries are taken 9:00am to 4:00pm
(800) 669-5556
Voice
(312) 263-4282
Voice
Email[email protected]
Languages
Spanish, English
Application process
Contact (800) 669-5556 for complaint assistance or visit the website to complete an online complaint form. No walk-ins accepted.
Fees
Free
Service area
IL
Citizens Utility Board (CUB) is a consumer advocacy group that assists Illinois residential utility consumers in understanding their rights, analyzing their utility bills, providing energy/money-saving tips, filing complaints with some utilities (as needed), and providing referrals.
Date of Last Formal Update
03/15/2026
Data provided by
211 Metro Chicago
Providing organization
Citizens Utility Board
Citizens Utility Board (CUB) is a consumer advocacy group that assists Illinois residential utility consumers in understanding their rights, analyzing their utility bills, providing energy/money-saving tips, filing complaints with some utilities (as needed), and providing referrals.