Skip to main content
Energy Profile

Electricity Cost in Illinois

The residential electricity rate in Illinois is 17.69¢ per kilowatt-hour (kWh), ranking #35 cheapest among all 51 US states. The national average is 17.92¢/kWh, making Illinois 1% below average.

17.69¢

Residential

#35

Price Rank

15.3%

Renewable

Residential Rate17.69¢/kWh
Commercial Rate13.07¢/kWh
Industrial Rate10.14¢/kWh
US Average (Residential)17.92¢/kWh
Full Illinois Energy Profile →Estimate Your Bill

The data source behind this answer is the EIA Open Data API and State Electricity Profiles. Every figure on the page traces back to that source; the methodology page describes the inputs and the refresh cadence in full detail.

For readers turning this answer into action: cross-reference against the underlying the EIA Open Data API and State Electricity Profiles record before acting on time-sensitive decisions. The site renders the data as it was published; subsequent revisions can shift the picture, and the live federal data is always the authoritative current reference.

Source: U.S. Energy Information Administration, 2026.