Illinois Energy
Customer Service
Mailing Address:
PO Box 3066
Naperville, IL 60566-7066
Phone:
toll-free 1.877.292.9363
Email:
custcare@illenergy.com
Note:
Please use the above contact information if you have questions about your Illinois Energy service. If you have billing questions, please contact your utility directly. The number is on your natural gas bill.
Sales Agency Opportunities
Erika Douglas
Phone:
404.685.4105
Email:
erika.douglas@southstarenergy.com