Constellation Energy Since 2009, the IEC has partnered with Constellation, an Exelon Company, to offer the flexibility to choose a natural gas purchasing option that’s right for you.

Constellation, one of the nation’s leading competitive energy providers, has the expertise to execute customized strategies for your unique natural gas needs. They offer comprehensive energy solutions and a variety of pricing options for electric, natural gas and renewable energy products for companies of any size, in every competitive energy market across the U.S.

Constellation delivers more than 1.6 billion dekatherms of gas a year to our customers with our unparalleled service and proven programs.

Let Constellation help you create a custom natural gas strategy that meets the needs of your educational facilities’ risk tolerance, budget management, and overall energy goals:  

  • Managed Solutions – SmartPortfolio, Minimize Volatile Pricing, Managed Portfolio Service, Alpha365
  • Fixed Price
  • Spot Market
  • Efficiency Made Easy (EME)
For more information, or to request your personalized natural gas buying options, please contact Glen Grimm at

Request a Proposal Today!

1. Get in touch.

Contact Holly Wallace, Illinois ASBO Senior Programs Coordinator or one of the program administrators.

2.  Begin the process.

Begin the proposal process by analyzing your current plan. 

3.  Choose your best option.

Review the IEC recommendation along with your buying options.