State Rate Comparison

Illinois vs Missouri

Electricity Rates Comparison

Data from U.S. Energy Information Administration (EIA) · November 2025

Residential Rate
IL18.31¢/kWh
MO13.12¢/kWh
Missouri is 5.19¢/kWh cheaper
Avg Monthly Bill
IL$126.91
MO$131.27
Illinois saves $4.36/month
Avg Monthly Usage
IL693 kWh
MO1,001 kWh
Difference: 308 kWh/month

Detailed Rate Comparison

Illinois
DeregulatedMidwestRate Rank: #18/51
Residential18.31¢/kWh
Commercial12.42¢/kWh
Industrial10.10¢/kWh
Avg Monthly Bill$126.91
Avg Monthly Usage693 kWh
Bill Rank (highest)#39/51
Prior Year Rate15.96¢/kWh
YoY Change2.3¢
Missouri
RegulatedMidwestRate Rank: #45/51
Residential13.12¢/kWh
Commercial9.47¢/kWh
Industrial7.85¢/kWh
Avg Monthly Bill$131.27
Avg Monthly Usage1,001 kWh
Bill Rank (highest)#38/51
Prior Year Rate11.57¢/kWh
YoY Change1.5¢

Compared to National Average

MetricIllinoisMissouriNational Avg
Residential Rate (¢/kWh)18.31¢13.12¢17.24¢
Commercial Rate (¢/kWh)12.42¢9.47¢
Industrial Rate (¢/kWh)10.10¢7.85¢
Avg Monthly Bill$126.91$131.27$152.02
Avg Monthly Usage (kWh)6931,001
Market Typederegulatedregulated

Frequently Asked Questions

Which state has cheaper electricity, Illinois or Missouri?

Missouri has a lower residential electricity rate at 13.12¢/kWh compared to Illinois's 18.31¢/kWh — a difference of 5.19¢/kWh (39.6%).

What is the average monthly electric bill in Illinois vs Missouri?

The average monthly electric bill in Illinois is $126.91 (693 kWh/month), while in Missouri it is $131.27 (1001 kWh/month). The national average is $152.02.

Is Illinois or Missouri electricity market regulated or deregulated?

Illinois has a deregulated electricity market, while Missouri has a regulated market. In deregulated markets, consumers can choose their electricity supplier, which may offer more competitive rates.

How do Illinois and Missouri electricity rates compare to the national average?

The national average residential rate is 17.24¢/kWh. Illinois is above the national average at 18.31¢/kWh, and Missouri is below the national average at 13.12¢/kWh.

Wondering if your bill is accurate?

Whether you're in Illinois or Missouri, Utility Check can verify your electricity bill for billing errors and rate accuracy.