Compare The Best Illinois Natural Gas and Electricity Providers and Rates

Author:
Tim Wasson
Editor:
Matt Oberle
Last Updated:
04/06/2025
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Featured Provider
About Constellation

6 Month Home Power Plan

10.39 ¢ kwh
6 month
6 month Fixed Rate

Constellation prices were consistent, easy access to account info. We had no problems to contact them.

- Gustafson from Cherry Valley

Illinois Electricity and Natural Gas Choice

In Illinois you can choose the company you buy electricity or buy natural gas from.

You can select from the best rates, plans, and terms that best fit you.

Power to choose

Illinois' Best Energy Providers

We've rated the energy companies in Illinois based on multiple criteria, including BBB and regulatory complaints, plan types and availability, ease-of-use, and much, much more.

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Recommended Illinois Gas Plans

12 Month Fixed Rate
Fixed-Rate Gas 12
  • $0.530 /therm
  • $0.00/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the gas usage charges.
  • 12 month
  • Fixed Rate
12 Month Fixed Rate
Guard 12
  • $0.539 /therm
  • $4.95/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the gas usage charges.
  • 12 month
  • Fixed Rate

Recommended Illinois Electricity Plans

6 Month Fixed Rate
6 Month Home Power Plan
  • 10.39 ¢/kwh
  • $0.00/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the electric usage charges.
  • 6 month
  • Fixed Rate
12 Month Fixed Rate
12 Month Home Power Plan
  • 10.49 ¢/kwh
  • $0.00/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the electric usage charges.
  • 12 month
  • Fixed Rate
12 Month Fixed Rate
SureLock 12
  • 11.09 ¢/kwh
  • $4.99/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the electric usage charges.
  • 12 month
  • Fixed Rate
6 Month Fixed Rate
6-Month Electric Choice Plan
  • 12.00 ¢/kwh
  • $0.00/mo.
     MRC
    The 'MRC' or 'Monthly Recurring Charge' is a fee that the provider will add to each of your bills in addition to the electric usage charges.
  • 6 month
  • Fixed Rate

Featured Plan

6 Month Home Power Plan

Plan Type:
Fixed Rate
Term Length:
6 months
Cancellation Fee:
$50
Monthly Charge:
$0.00
10.39 ¢ / kwh
Plan Details Terms of Service

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