⚡ US Energy Price Monitorby KadoaUpdated weekly

All states

Electricity prices in Illinois

What homes in Illinois pay for electricity, from EIA.

Download CSV (gzip)

Headlines

Average price
18.8¢ a kWh
Up 11% on a year ago
Average bill
$132 a month
Up 9.6% on a year ago
Average use
700 kWh
A month. US 870 kWh
Price rank
16 of 51
1 is the most expensive

Over the 12 months to July 2026, Illinois homes paid 18.8¢ a kWh, against a US average of 18.0¢.

Illinois vs the US

IllinoisUS
Average price, 12 months to July 202618.8¢18.0¢
Price in July 202619.2¢18.3¢
Average monthly bill, 12 months$132$156
Bill in July 2026$193$212
Average monthly use700 kWh870 kWh
Price change, past year+11%+6.6%
Price change since 2019+44%+38%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including July 2026

Source: EIA Electric Power Monthly. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month. Bills peak in summer and winter.

Up to and including July 2026

Source: EIA Electric Power Monthly. EIA's own method for its average bill table.

Natural gas price

Average residential price a thousand cubic feet, by month. Summer prices are high because fixed charges are spread over little gas.

Up to and including June 2026

Source: EIA Natural Gas Monthly.

Utilities in Illinois

Past 12 months, utilities with 10,000 homes or more. These utilities serve 70% of homes in Illinois; smaller utilities serve the rest.

ComEdInvestor-owned19.2¢+16%$1123,054,843
Ameren IllinoisInvestor-owned17.3¢+7.3%$151642,913
MidAmerican EnergyInvestor-owned9.6¢-4.0%$7373,383

Heating fuels in Illinois: heating oil, propane.