Homes in Illinois paid an average of 15.87¢ per kWh in 2024 (4% below the US average of 16.48¢), used 693 kWh a month and paid about $109.99 a month, according to the EIA.
- Price per kWh
- 15.87¢2024 average, residential
- Monthly bill
- $110US $142
- Monthly use
- 693kWh; US 863
- Rank
- 19of 51, most expensive first
Cost to run common appliances in Illinois
| Appliance | Typical use | Per day | Per month |
|---|---|---|---|
| Refrigerator | 1.45 kWh | 23¢ | $7.00 |
| Space heater | 6 kWh | 95¢ | $28.95 |
| Window air conditioner | 3.2 kWh | 51¢ | $15.44 |
| Central air conditioner | 29.4 kWh | $4.67 | $142 |
| Electric clothes dryer | 2.6 kWh | 41¢ | $12.54 |
| Electric water heater | 13.5 kWh | $2.14 | $65.13 |
| Dehumidifier | 3.8 kWh | 60¢ | $18.33 |
| TV | 0.4 kWh | 6¢ | $1.93 |
| EV charger | 10.8 kWh | $1.71 | $52.10 |
At 15.87¢ per kWh with typical daily use. Your rate plan and use will differ.
Questions people ask
How much is electricity per kWh in Illinois?
15.87¢ per kWh on average for homes in 2024 (EIA), up 1.0% from 15.71¢ in 2023.
What is the average electric bill in Illinois?
About $109.99 a month in 2024, for 693 kWh of use (EIA).
How does Illinois compare with other states?
It ranks 19 of 51 (50 states and DC) from most to least expensive per kWh.
Sources
- EIA Electric Sales, Revenue, and Average Price, Table 5a: 2024 Average Monthly Bill - Residential
- EIA Electric Power Annual Table 2.10: Average Price of Electricity to Ultimate Customers by End-Use Sector, by State, 2024 and 2023
- EIA Electric Sales, Revenue, and Average Price, Table 4: 2024 Average Retail Price (cross-check)
- EIA Electric Sales, Revenue, and Average Price, Table 1: 2024 Customers (cross-check)
- EIA Electric Sales, Revenue, and Average Price, Table 2: 2024 Sales (cross-check)
- EIA FAQ: How much electricity does an American home use?
- EIA Short-Term Energy Outlook (Oct 6, 2026), Electricity section
- EIA Electric Power Monthly Table 5.6.A (not retrievable on 2026-10-12)