IllinoisElectricity Rates & Utility Costs
The average residential electricity rate in Illinois is 16.27¢/kWh, which is around the national average. That's 5.5% lower than the national average.
Residential
16.27¢
per kWh
Commercial
11.38¢
per kWh
Industrial
8.14¢
per kWh
Avg Monthly Bill
$115
residential
Illinois vs National Average
| Metric | Illinois | National Avg | Difference |
|---|---|---|---|
| Residential Rate | 16.27¢/kWh | 17.22¢/kWh | -0.95¢ |
| Monthly Bill | $115 | $134 | $-19.00 |
| Renewable Energy | 13.0% | ~22% | Below avg |
| Primary Source | Nuclear | ||
Why Electricity Is Affordable in Illinois
Illinois's electricity rates are close to the national average. The state relies primarily on Nuclear for power generation, with renewable sources making up 13.0% of the mix. Competitive market options and moderate generation costs help keep rates stable.
Utility Companies in Illinois
| Utility | Avg Rate | Customers | Type |
|---|---|---|---|
| ComEd | 16.27¢/kWh | 4,000,000 | electric |
| Ameren Illinois | 15.10¢/kWh | 1,200,000 | both |
Appliance Running Costs in Illinois
Based on Illinois's residential rate of 16.27¢/kWh.
| Appliance | Watts | Hours/Day | Monthly Cost | Annual Cost |
|---|---|---|---|---|
| Air Purifier | 50 | 24 | $5.86 | $70.29 |
| Blender | 400 | 0.1 | $0.20 | $2.34 |
| CFL Bulb (13W) | 13 | 8 | $0.51 | $6.09 |
| Cable / Satellite Box | 35 | 24 | $4.10 | $49.20 |
| Ceiling Fan | 75 | 12 | $4.39 | $52.71 |
| Central Air Conditioner | 3,500 | 8 | $136.67 | $1,640.02 |
| Chest Freezer | 80 | 24 | $9.37 | $112.46 |
| Clothes Dryer (Electric) | 3,000 | 1 | $14.64 | $175.72 |
| Coffee Maker | 900 | 0.25 | $1.10 | $13.18 |
| Crypto Mining Rig | 1,500 | 24 | $175.72 | $2,108.59 |
| Dehumidifier | 300 | 12 | $17.57 | $210.86 |
| Desktop Computer | 200 | 8 | $7.81 | $93.72 |
| Dishwasher | 1,800 | 1 | $8.79 | $105.43 |
| Electric Baseboard Heater | 1,000 | 10 | $48.81 | $585.72 |
| Electric Fireplace | 1,400 | 4 | $27.33 | $328.00 |
Compare With Other States
More Data for Illinois
Frequently Asked Questions
What is the average electricity rate in Illinois?
The average residential electricity rate in Illinois is 16.27¢ per kWh, which is 5.5% below the national average of 17.22¢/kWh.
How much is the average monthly electric bill in Illinois?
The average monthly residential electric bill in Illinois is $115, compared to the national average of $134.
Why is electricity cheap in Illinois?
Illinois's electricity rates are close to the national average. The state relies primarily on Nuclear for power generation, with renewable sources making up 13.0% of the mix. Competitive market options and moderate generation costs help keep rates stable.
What is the main energy source in Illinois?
The primary energy source in Illinois is Nuclear, with 13.0% of electricity coming from renewable sources.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)