Illinois Energy Companies

Below is the list of leading energy companies serving Illinois residential customers.

Direct Energy

Direct Energy provide electricity, natural gas and other energy services to more than 13 million residential homes and businesses across North America. As one of the largest electricity and natural gas providers in North America, Direct Energy prides itself on providing you with choice and support to help manage your monthly energy costs.

Direct Energy Illinois Plans

Spark Energy

Spark Energy is the nation-wide provider of low-cost electricity and natural gas offering significant savings to homes and businesses from California to New York. Founded in 1999, Spark Energy was one of the early pioneers in the retail energy business. Since then, company have grown to become a nation-wide company of more than 250 employees supplying affordable electricity and natural gas to hundreds of thousands of happy residential and business customers.

Spark Energy Illinois Plans

Ambit Energy

Ambit Energy provides electricity and natural gas services in deregulated markets across the United States, primarily marketed through a direct sales channel of more than 150,000 Independent Consultants. Based in Dallas, Texas, company is focused on being the finest and most-respected retail energy provider in the industry, offering cost-effective choices for today’s energy consumer.

Ambit Energy Illinois Plans

Xoom Energy

XOOM Energy is a provider of electricity and natural gas serving California, Connecticut, Delaware, Washington D.C., Georgia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Texas, and Virginia.

Xoom Energy Illinois Plans

Just Energy

Just Energy is a leading provider of natural gas, electricity and green energy solutions. Just Energy serve over 1.8 million customers across the continent. Just Energy green energy and energy efficient programs provide a real and convenient solution for consumers to reduce the environmental impact associated with their everyday energy use.

Just Energy Illinois Plans

Green Mountain Energy

Green Mountain Energy was the first Texas energy provider to offer 100 percent pollution-free power when the market opened to competitors in 2001. Green Mountain is dedicated to helping customers make a lasting impact on the environment while enjoying affordable and reliable electricity.

Green Mountain Energy Illinois Plans

Champion Energy Services

Champion Energy Services is the fastest-growing retail electric provider in the nation and the largest never to have been affiliated with a utility. Champion Energy currently serves residential, governmental, commercial and industrial customers in deregulated electric energy markets in Texas, Illinois, Pennsylvania, Ohio, New Jersey, Maryland and New York.

Champion Energy Services Illinois Plans

MidAmerican Energy

Headquartered in Des Moines, Iowa, MidAmerican Energy provides service to 739,000 electric customers and 719,000 natural gas customers in Iowa, Illinois, South Dakota and Nebraska. MidAmerican Energy is a subsidiary of Berkshire Hathaway Energy.

MidAmerican Energy Illinois Plans

Alliant Energy

Alliant Energy Corporation is a Midwest energy company that provides electric and natural gas services to our customers and communities throughout Iowa, Wisconsin and Minnesota.

Alliant Energy Illinois Plans

Browse Illinois Cities

1. Chicago

Chicago Electricity Providers by Zip Code

2. Aurora

Aurora Electricity Providers by Zip Code

3. Joliet

Joliet Electricity Providers by Zip Code

4. Naperville

Naperville Electricity Providers by Zip Code

5. Rockford

Rockford Electricity Providers by Zip Code

6. Springfield

Springfield Electricity Providers by Zip Code

7. Peoria

Peoria Electricity Providers by Zip Code

8. Elgin

Elgin Electricity Providers by Zip Code