Power outages and utility responsibilities

Historical pricing

Residential and small business historical pricing for Illinois is published on our Illinois FAQ page under “All About Billing.”

Green Mountain Energy Illinois FAQ

Price to compare

The price to compare is the utility supply price that can be used to compare Green Mountain Energy’s offer with your local utility’s supply rate.
Price‑to‑compare information for Illinois is maintained by Green Mountain Energy and updated as utility supply rates change.

Illinois price to compare

Environmental disclosure labels

Environmental disclosure labels for Illinois are published in accordance with state requirements and updated on a quarterly basis, as applicable.

Illinois environmental disclosure label

Electricity utilities
Ameren
ComEd

Gas utilities
Nicor Gas
North Shore Gas
Peoples Gas

License information

We are licensed by the Illinois Commerce Commission, and our license number is DOCKET NO. 12-0477 - Electric

We are licensed by the Illinois Commerce Commission, and our license number is DOCKET NO. 16-0354 - Gas

For additional regulatory and customer information, visit:

Green Mountain Energy Illinois FAQ