Illinois vs Oklahoma Electricity Rates (2026)
Oklahoma has 21.2% cheaper electricity than Illinois. Oklahoma residents pay 12.82¢/kWh compared to 16.27¢/kWh in Illinois, saving about $16.00/month on average.
Illinois
16.27¢
per kWh
$115/mo
Oklahoma
12.82¢
per kWh
$131/mo
Detailed Rate Comparison
| Metric | Illinois | Oklahoma | National Avg |
|---|---|---|---|
| Residential Rate | 16.27¢/kWh | 12.82¢/kWh | 17.22¢/kWh |
| Commercial Rate | 11.38¢/kWh | 10.38¢/kWh | - |
| Industrial Rate | 8.14¢/kWh | 6.62¢/kWh | - |
| Avg Monthly Bill | $115 | $131 | $134 |
| Renewable Energy | 13.0% | 42.0% | ~22% |
| Primary Source | Nuclear | Wind | - |
Appliance Running Costs: Illinois vs Oklahoma
Monthly cost to run common household appliances in each state.
| Appliance | IL | OK | Savings |
|---|---|---|---|
| Air Purifier | $5.86 | $4.62 | OK saves $1.24 |
| Blender | $0.20 | $0.15 | OK saves $0.04 |
| CFL Bulb (13W) | $0.51 | $0.40 | OK saves $0.11 |
| Cable / Satellite Box | $4.10 | $3.23 | OK saves $0.87 |
| Ceiling Fan | $4.39 | $3.46 | OK saves $0.93 |
| Central Air Conditioner | $136.67 | $107.69 | OK saves $28.98 |
| Chest Freezer | $9.37 | $7.38 | OK saves $1.99 |
| Clothes Dryer (Electric) | $14.64 | $11.54 | OK saves $3.10 |
| Coffee Maker | $1.10 | $0.87 | OK saves $0.23 |
| Crypto Mining Rig | $175.72 | $138.46 | OK saves $37.26 |
| Dehumidifier | $17.57 | $13.85 | OK saves $3.73 |
| Desktop Computer | $7.81 | $6.15 | OK saves $1.66 |
| Dishwasher | $8.79 | $6.92 | OK saves $1.86 |
| Electric Baseboard Heater | $48.81 | $38.46 | OK saves $10.35 |
| Electric Fireplace | $27.33 | $21.54 | OK saves $5.80 |
Bottom Line: Illinois vs Oklahoma
Oklahoma is the more affordable state for electricity, with rates 21.2% lower than Illinois. An average household would save about $192.00/year by living in Oklahoma.
Illinois gets its electricity primarily from Nuclear with 13.0% renewable, while Oklahoma relies on Wind with 42.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Illinois or Oklahoma?
Electricity is cheaper in Oklahoma at 12.82¢/kWh compared to Illinois at 16.27¢/kWh. That's a 21.2% difference, saving about $16.00/month on an average residential bill.
What is the average electricity bill in Illinois vs Oklahoma?
The average monthly electricity bill is $115 in Illinois and $131 in Oklahoma. The national average is $134.
Which state uses more renewable energy, Illinois or Oklahoma?
Oklahoma has a higher renewable energy percentage at 42.0%, compared to 13.0% in Illinois.
What are the main energy sources in Illinois and Oklahoma?
Illinois primarily uses Nuclear, while Oklahoma relies on Wind.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)