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Illinois Electricity Information

Illinois generates electricity from a diverse mix of sources, with nuclear power leading the way—it produces more nuclear energy than any other state. Natural gas and coal also contribute, though coal use has declined in recent years. Wind power is expanding rapidly, making Illinois a leader in Midwest renewable energy. This diverse energy mix helps keep electricity prices close to the national average, while emissions have decreased as the state moves away from coal and invests in cleaner energy sources.

Electricity Production

Primary Source

Nuclear

Total Generation: 177,737,641 MWh
Ranks 5th Highest in the U.S.
Average Price: 11.75¢ /kWh
Ranks 29th Cheapest in the U.S.
Average Electric Bill: $121.06
Ranks 14th Cheapest in the U.S.

Electricity Production By Source

Emissions From Electricity Generation

Carbon Dioxide Emissions Rank

14th Highest

42,186 TMT

Sulfer Dioxide Emissions Rank

11th Highest

32,285 tn

Nitrogen Oxide Emissions Rank

27th Highest

19,750 tn

Renewable Electricity Generation

Renewable Production Rank

9th Highest

23,811,118 MWh
13.4% of Total Production

Source U.S. Energy Information Administration (EIA) Based on data from 2023

Energy Usage in Illinois

Energy Usage Per Capita Rank

28th Lowest

Average Per Person: 292 million BTU

Illinois has high electricity consumption, driven by its large population, industrial sector, and seasonal temperature swings. Located in the Midwest climate region, the state experiences hot, humid summers and cold winters, leading to high energy use for both cooling and heating. Air conditioning demand peaks in the summer, while winter heating—often powered by natural gas—also contributes to overall energy needs. Despite this, Illinois benefits from a diverse energy mix and competitive electricity prices, helping to balance demand with affordability.

Municipal Utilities in Illinois

While most cities, towns, and villages throughout the state of Illinois offer municipal essential services like providing clean water, sewage treatment and dealing with waste and storm water, some also offer other services like electricity, natural gas, sanitation or recycling. In Illinois, 41 cities offer municipal electricity utility services to their residents.

Largest Electric Companies in Illinois

The rest of Illinois receives electric utility service from one of many primary providers. Here’s a list of some of the larger providers that might be available to your home:

Illinois Natural Gas Information

Average Natural Gas Price

$1.07 /CCF

Ranks 12th Cheapest in the U.S.

Average Natural Gas Bill

$97 /month

Ranks 22nd Cheapest in the U.S.

Natural Gas Usage Per Capita

36th Lowest

Average Per Person: 58.14 MCFs Annually

Largest Natural Gas Companies in Illinois

Many of the residents of Illinois receive their natural gas utility service from one of the larger companies that service the state.

Illinois Internet Connectivity

Broadband Availability

91.92%

Ranks 38th in the U.S.

Percent of Ppopulation with access to 100 Mbps download and 20 Mbps upload

1 Gig Availability

40.08%

Ranks 29th in the U.S.

Percent of population with access to download speeds of 1 Gbps

Fiber Availability

29.5%

Ranks 10th in the U.S.

Percent of population with access to Fiber Internet

Largest Internet Providers in Illinois

When it comes to high-speed internet, homes in Illinois have plenty of options to stay connected! From bustling cities to quiet rural areas, a variety of providers offer reliable service across the state. Here are some of the biggest names keeping Illinois homes online and in the loop:

Utility Costs in Illinois

The average monthly total utility bills in Illinois is $244.05, which is 11.94% lower than the national average.

Average Electric Bill

$121

Lower than national average

Average Natural Gas Bill

$97

Lower than national average

Average Water Bill

$26

Lower than national average

Illinois Deregulaton of Electric and Natural Gas

Illinois is one of eleven states that has deregulated both electricity and natural gas services. That means you have a choice of what electric or natural gas provider supplies utilities to your home. Choose your city below to see a list of utility providers available in your area.