Fuel Mix and Emissions Disclosure

IL Generation Disclosure investor-owned utility municipal utilities cooperative utilities

Quick Summary

Your Illinois utility or electricity supplier must include a quarterly bill insert showing the fuel sources and emissions data for the electricity they provide; you can also view this information on the Illinois Commerce Commission website to understand the environmental impact of your power supply.

AI-generated summary • Updated 7/12/2026

Program Details

Program ID: 487
Last Updated: 8/10/2023

Eligibility

Eligible Sectors

investor-owned utility municipal utilities cooperative utilities

Program Summary

As part of the state's 1997 electric utility restructuring legislation, Illinois established provisions for the disclosure of fuel mix and emissions data. All electric utilities and alternative retail electric suppliers must provide details of their fuel mix and emissions to customers within bills on a quarterly basis. This information is also posted to the Illinois Commerce Commission's website.

Contact & Resources

Contact Email

[email protected]

Additional Resources

https://www.icc.illinois.gov/industry-reports/environmental-disclosure

Please verify current program details with the administering agency before making any financial decisions.