Illinois Choice

Retail Electric Suppliers (RES) Registered with Ameren

Each Retail Electric Supplier listed below is registered with Ameren and is able to serve residential customers in the Ameren Illinois service territories. A complete listing of Retail Electric Suppliers certified by the ICC can be found on the ICC Website. Please note, however, that in order to serve customers in Ameren service territories, a RES must be certified by the ICC and be registered with Ameren.

BlueStar Energy Services      363 W. Erie Street #700      Chicago, IL 60610      866.258.3782

Integrys Energy Services      500 W. Madison Street      Suite 3300      Chicago, IL 60661      312.681.1800