Illinois electricity rates and average bill

In August 2026, the average residential price in Illinois was 19.32¢ per kWh, higher than a year earlier (18.03¢).

Source: EIA Table 5.6.A (August 2026, preliminary) and EIA 2024 averages. Checked 2026-10-29.

Illinois electricity prices, month by month

So far in 2026 (8 months), Illinois has averaged 19.47¢ per kWh, +11.2% compared with the same months of 2025 (17.51¢). Over the last 12 months the price was highest in May 2026 (23.85¢) and lowest in January 2026 (16.36¢).

Why is my electric bill so high in Illinois?

• Price: Illinois homes paid 19.32¢ per kWh in August 2026, +7.2% from August 2025 (+11.2% for 2026 so far). The U.S. average changed +3.4%.
• Season: the price itself moves through the year, from 16.36¢ in January to 23.85¢ in May, on top of the extra heating or cooling you use.
• Use: a typical Illinois home uses about 693 kWh a month (2024). Compare your bill with that, and with the same month last year rather than last month.

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Average electric bill in Illinois

A typical Illinois home used 693 kWh a month in 2024 (U.S.: 863 kWh). At the August 2026 price that is about $134 a month, compared with $125 at the August 2025 price — an increase of $9 for the same use. EIA's actual 2024 average bill was $109.99.

What common appliances cost to run in Illinois

At 19.32¢ per kWh. Wattages are typical values from the U.S. Department of Energy.

Calculate any appliance · Space heater cost in Illinois

Nearby states (East North Central)

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