How Does Illinois Electricity Work?

Illinois electricity operates under an energy choice marketplace within the Ameren Illinois and ComEd service areas, which allows consumers to compare electric supply plans. With this type of structure, utility companies deliver and supply regulated electricity for consumers in their service territory. Retail electric suppliers (RES), on the other hand, offer competitive Illinois electricity rates and supply plans that residents and business owners can enroll in. Utilities remain responsible for the service, even if you purchase through a RES, and should be contacted in the event of an emergency or power loss.

How do you compare supply plans?

With the freedom to shop for a competitive supply plan for your Illinois electricity, you have a privilege that many consumers do not. It's important to explore your energy options and make sure you enroll in a supply plan that is most beneficial. While you can still purchase your electricity at regulated rates from utility companies, it isn't required. Competitive energy suppliers in Illinois offer alternative supply rates with some differences.

Check Out Rates In Your Area!

AddisonAuroraBedford ParkBellwood
BensenvilleBloomingtonCiceroDes Plaines
Downers GroveElk Grove VillageElmhurstElmwood Park
Evergreen ParkGlen EllynGlenviewHarvey
HillsideHoffman EstatesItascaLombard
Loves ParkMedinahMelrose ParkNaperville
NilesNorthbrookOak ParkPark Ridge
River ForestRiver GroveRolling MeadowsRomeoville
SchaumburgSchiller ParkStone ParkWheaton
Wood Dale

One thing to be sure and compare is rate structure. There are two main types of energy rates:

  • Stable rate: This type of plan offers price protection from the changing market supply rates. Stable Illinois electricity rates secure a supply rate for the term of the agreement. This provides stability for the length of the plan and gives a home or business the ability to more accurately predict their monthly bill based upon energy usage.
  • Variable rate: This type of plan follows the market value of the Illinois electric rates on supply. This allows you to benefit from market lows, but can put you at risk for market highs.

Get help from

Here at, we know how energy choice can work to your advantage. Our energy specialists can help you find the right plan for your home or business. Let us take the load off and make finding a new energy supplier as easy as making a phone call. Enjoy your freedom to choose and plug in, Illinois!

Updated: 1-24-2017.