- Guides & Audits
This PDF guide provides detailed state commission instructions on the procedures for completing and submitting a license/certification application as a license / certification is required before marketing to, and serving, any customers.
Special Note: The Home Energy Affordability and Transparency (HEAT) Act was enacted by the Illinois General Assembly with an effective date of January 1, 2020. The Illinois Commerce Commission has posted an informational webpage to assist stakeholders with understanding and implementation of this Act.
This guide was last updated on November 9th, 2019.