Please note: Our name will be changing to Illinois Energy, USA, LLC on November 1, 2017.


More Energy Plans Means More Choices

Certified as an alternative natural gas supplier with the Illinois Commerce Commission, we offer consumers energy supply options traditional utilities typically can’t. Our energy plans can help make your monthly energy costs predictable and offer other great benefits.

We Make It Simple to Find the Perfect Plan

We understand that choosing a gas supplier can seem confusing. That’s why we work hard to make the process simple for you.

  • Our plans let you decide which benefits are most important to you
  • We help you determine which plan may work best for you, your budget, and your comfort

Backed by SouthStar Energy Services®

SouthStar Energy Services, the parent company to Nicor Advanced Energy® and Nicor Solutions® , has provided economical and reliable natural gas service to consumers for over 15 years. We offer customers transportation and supply services, a variety of pricing and contract options, and a number of value-added offerings.

Headquartered in Atlanta, SouthStar serves over half a million residential, small business, large commercial and industrial customers in multiple states. Depending on your location, you may know us by one of our trade names: Georgia Natural Gas®, Florida Natural Gas®, Ohio Natural GasSM, New York Natural GasSM, New Jersey Natural Gas®, Maryland EnergySM, or Grand Rapids Energy®.

We operate a service network encompassing approximately 20 interstate natural gas pipelines and successfully manage more than 8 million customer interactions each year. By providing transportation and supply service 24-hours-a-day, 7-days-a-week, we help ensure dependable natural gas delivery year-round.

SouthStar has built on the expertise of its parent company, Southern Company GasTM. A history of solid financial performance and stability, as well as sophisticated in-house financial trading and risk management, has placed SouthStar in a position of leadership.

Delivering World-Class Customer Service

We understand that a new energy billing plan can lead to questions. No worries. Our highly trained customer service representatives are experienced in the energy industry, and available to deliver the reliable, outstanding customer service you expect from an industry leader. 

Accredited by the Better Business Bureau

Nicor Advanced Energy is recognized by the Better Business Bureau as a trustworthy Accredited Business.

Nicor Advanced Energy is a BBB Accredited Natural Gas Company in Naperville, IL 

Cut Energy Usage and Save!

Saving money by cutting energy usage at home is easier than you think, especially with these tips from Nicor Advanced Energy and ENERGY STAR®.

Learn More