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Electricity rates in Illinois

Homes in Illinois pay an average of 19.32¢ per kWh (August 2026) — #34 of 51 from cheapest. Your bill depends on how much you use — estimate your monthly bill.

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Residential (homes)

2025: 18.03¢

19.32¢ ▲ 7.2%

Commercial14.67¢

U.S. average (homes)18.16¢

Monthly electric bill estimatorRate (cents per kWh)Your monthly use (kWh) — the U.S. home average is about 860

Questions & answers

What is the average electricity rate in Illinois?

Homes in Illinois paid an average of 19.32¢ per kWh in August 2026 (EIA), versus 18.03¢ a year earlier.

Is electricity in Illinois expensive?

Illinois ranks #34 of 51 (1 = cheapest). That is 1.16¢ above the U.S. average of 18.16¢.

How much will my bill be?

At 19.32¢ per kWh, 860 kWh (a typical U.S. home month) costs about $166.15 for energy before fixed fees. Use the estimator with your own usage from your bill.

Source: U.S. Energy Information Administration (EIA), Electric Power Monthly, Table 5.6.A. Updated automatically.

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