Skip to main content
8 a.m. to 6 p.m. CST, Monday - Friday
Contact Us 1.888.636.1789 8 a.m. to 6 p.m. CST, Monday - Friday

Program Terms And Conditions

*You must be a SkyMiles Member and provide your SkyMiles Number to Illinois Energy Solutions to participate in this program and earn miles. For monthly gas service, two miles will be awarded for each dollar spent  for the Fixed Bill amount found on your monthly utility bill. Miles will not be awarded for charges for other products and services such as warranty service charges, or one-time charges such as late fees. SkyMiles Medallion® Members will be awarded one additional mile for eligible charges. Miles will be posted to your SkyMiles account up to 4 weeks after each monthly bill date, provided you remain in good standing in the SkyMiles program. You must be current on your Illinois Energy Solutions account to participate. If you switch to a gas service provided by an affiliate of Illinois Energy Solutions offering the SkyMiles program, your participation may continue through that affiliate under the applicable company’s program terms and conditions without further enrollment; by participating in the program with Illinois Energy Solutions, you consent to the sharing of your account information with that affiliate. Visit for Illinois Energy Solutions' program terms and conditions. All SkyMiles program rules apply. To review the rules, please visit Membership Guide & Program Rules at All Illinois Energy Solutions program rules, and Delta prices and SkyMiles rules, are subject to change without notice. Taxes and fees for Award Travel are the responsibility of the passenger and must be paid at the time the ticket is booked. Award Travel seats are limited and may not be available on all flights or in all markets. Delta, SkyMiles, and the Delta logo are registered service marks of Delta Air Lines, Inc. Delta is not responsible for goods or services offered by any companies participating in miles promotions. Partner offers subject to the terms and conditions of each individual offer. See individual offers for details. Offers void where prohibited by law. Other restrictions may apply.  Illinois Energy Solutions, USA, LLC and Delta Air Lines, Inc. are not affiliated, and neither has any obligation or liability with respect to the products or services to be provided by the other.

The program is open to any Illinois Energy Solutions customer. In order to maintain eligibility, a participant must receive continuous natural gas service under the Illinois Energy Solutions Fixed Bill program. Illinois Energy Solutions reserves the right, in its sole discretion, to discontinue the program and/or modify the terms and conditions of the program at any time and without notice to any customer or other party.  Your account must be paid in full to receive miles. If we do not receive payment by the due date, we will hold your earned miles until payment is received.  If your Illinois Energy Solutions account is referred to a third-party collections agency due to nonpayment, these miles will be forfeited.

Program FAQs