Illinois Energy
Call toll-free 1-888-237-5216
Promo Code: DELTA25


FOR ENROLLING + ongoing miles every month*

Enroll and Earn Miles

Earn 2,500 bonus miles for enrolling in any eligible Illinois Energy plan. Plus, earn TWO miles for every dollar spent on your Guaranteed Bill amount if you enroll in a Guaranteed Bill plan, or earn TWO miles for every dollar spent on your Illinois Energy gas service charge and monthly administrative charge (if applicable) on your monthly bill if you enroll in another Illinois Energy plan.* SkyMiles Medallion® members earn an additional mile for every eligible dollar spent.

Easy Sign Up

  • Switching is easy! You can call us or enroll online.
  • There will be no service interruption. Our experts ensure a seamless transition.
  • You will receive one convenient monthly gas bill.
  • Limited to qualified new customers.
Don’t wait too long. Offer ends February 28, 2018.

Earn Delta SkyMiles


Already enrolled in an Illinois Energy plan, but not yet a Delta SkyMiles member?

Join Delta SkyMiles

Have Questions?