Illinois vs Mississippi Electricity Rates (2026)
Mississippi has 16.8% cheaper electricity than Illinois. Mississippi residents pay 13.54¢/kWh compared to 16.27¢/kWh in Illinois, saving about $27.00/month on average.
Illinois
16.27¢
per kWh
$115/mo
Mississippi
13.54¢
per kWh
$142/mo
Detailed Rate Comparison
| Metric | Illinois | Mississippi | National Avg |
|---|---|---|---|
| Residential Rate | 16.27¢/kWh | 13.54¢/kWh | 17.22¢/kWh |
| Commercial Rate | 11.38¢/kWh | 11.95¢/kWh | - |
| Industrial Rate | 8.14¢/kWh | 7.29¢/kWh | - |
| Avg Monthly Bill | $115 | $142 | $134 |
| Renewable Energy | 13.0% | 5.0% | ~22% |
| Primary Source | Nuclear | Natural Gas | - |
Appliance Running Costs: Illinois vs Mississippi
Monthly cost to run common household appliances in each state.
| Appliance | IL | MS | Savings |
|---|---|---|---|
| Air Purifier | $5.86 | $4.87 | MS saves $0.98 |
| Blender | $0.20 | $0.16 | MS saves $0.03 |
| CFL Bulb (13W) | $0.51 | $0.42 | MS saves $0.09 |
| Cable / Satellite Box | $4.10 | $3.41 | MS saves $0.69 |
| Ceiling Fan | $4.39 | $3.66 | MS saves $0.74 |
| Central Air Conditioner | $136.67 | $113.74 | MS saves $22.93 |
| Chest Freezer | $9.37 | $7.80 | MS saves $1.57 |
| Clothes Dryer (Electric) | $14.64 | $12.19 | MS saves $2.46 |
| Coffee Maker | $1.10 | $0.91 | MS saves $0.18 |
| Crypto Mining Rig | $175.72 | $146.23 | MS saves $29.48 |
| Dehumidifier | $17.57 | $14.62 | MS saves $2.95 |
| Desktop Computer | $7.81 | $6.50 | MS saves $1.31 |
| Dishwasher | $8.79 | $7.31 | MS saves $1.47 |
| Electric Baseboard Heater | $48.81 | $40.62 | MS saves $8.19 |
| Electric Fireplace | $27.33 | $22.75 | MS saves $4.59 |
Bottom Line: Illinois vs Mississippi
Mississippi is the more affordable state for electricity, with rates 16.8% lower than Illinois. An average household would save about $324.00/year by living in Mississippi.
Illinois gets its electricity primarily from Nuclear with 13.0% renewable, while Mississippi relies on Natural Gas with 5.0% renewable.
Explore More
Frequently Asked Questions
Is electricity cheaper in Illinois or Mississippi?
Electricity is cheaper in Mississippi at 13.54¢/kWh compared to Illinois at 16.27¢/kWh. That's a 16.8% difference, saving about $27.00/month on an average residential bill.
What is the average electricity bill in Illinois vs Mississippi?
The average monthly electricity bill is $115 in Illinois and $142 in Mississippi. The national average is $134.
Which state uses more renewable energy, Illinois or Mississippi?
Illinois has a higher renewable energy percentage at 13.0%, compared to 5.0% in Mississippi.
What are the main energy sources in Illinois and Mississippi?
Illinois primarily uses Nuclear, while Mississippi relies on Natural Gas.
Was this data helpful?
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)