EnergyAtlasUSA

Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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Electricity & Energy in Illinois

U.S. Energy Information Administration, 2025 data.

Residential price
17.69¢/kWh
Commercial price
13.07¢/kWh
Industrial price
10.14¢/kWh
Renewable share
16.34%

Residential price over time

20012025, cents per kWh

Where the power comes from (2025)

Nuclear
50.5%
Natural gas
16.8%
Coal
16.0%
Wind
12.9%
Solar
3.4%
Other
0.4%
Hydro
0.0%

Renewable share, over the years

20012025, wind + solar + hydro as % of total generation

Natural gas price

Residential: $11.25 per thousand cubic feet (2025)

19672025, $/MCF

Source: U.S. Energy Information Administration. Prices are state averages across all utilities and rate plans, not any single bill. Generation-mix figures are reported annually.