Connecticut vs Tennessee Electricity Rates (2026)
Tennessee has 56.9% cheaper electricity than Connecticut. Tennessee residents pay 12.91¢/kWh compared to 29.98¢/kWh in Connecticut, saving about $34.00/month on average.
Connecticut
29.98¢
per kWh
$176/mo
Tennessee
12.91¢
per kWh
$142/mo
Detailed Rate Comparison
| Metric | Connecticut | Tennessee | National Avg |
|---|---|---|---|
| Residential Rate | 29.98¢/kWh | 12.91¢/kWh | 17.22¢/kWh |
| Commercial Rate | 22.54¢/kWh | 11.38¢/kWh | - |
| Industrial Rate | 19.43¢/kWh | 7.33¢/kWh | - |
| Avg Monthly Bill | $176 | $142 | $134 |
| Renewable Energy | 6.0% | 13.0% | ~22% |
| Primary Source | Natural Gas | Nuclear | - |
Appliance Running Costs: Connecticut vs Tennessee
Monthly cost to run common household appliances in each state.
| Appliance | CT | TN | Savings |
|---|---|---|---|
| Air Purifier | $10.79 | $4.65 | TN saves $6.15 |
| Blender | $0.36 | $0.15 | TN saves $0.20 |
| CFL Bulb (13W) | $0.94 | $0.40 | TN saves $0.53 |
| Cable / Satellite Box | $7.55 | $3.25 | TN saves $4.30 |
| Ceiling Fan | $8.09 | $3.49 | TN saves $4.61 |
| Central Air Conditioner | $251.83 | $108.44 | TN saves $143.39 |
| Chest Freezer | $17.27 | $7.44 | TN saves $9.83 |
| Clothes Dryer (Electric) | $26.98 | $11.62 | TN saves $15.36 |
| Coffee Maker | $2.02 | $0.87 | TN saves $1.15 |
| Crypto Mining Rig | $323.78 | $139.43 | TN saves $184.36 |
| Dehumidifier | $32.38 | $13.94 | TN saves $18.44 |
| Desktop Computer | $14.39 | $6.20 | TN saves $8.19 |
| Dishwasher | $16.19 | $6.97 | TN saves $9.22 |
| Electric Baseboard Heater | $89.94 | $38.73 | TN saves $51.21 |
| Electric Fireplace | $50.37 | $21.69 | TN saves $28.68 |
Bottom Line: Connecticut vs Tennessee
Tennessee is the more affordable state for electricity, with rates 56.9% lower than Connecticut. An average household would save about $408.00/year by living in Tennessee.
Connecticut gets its electricity primarily from Natural Gas with 6.0% renewable, while Tennessee relies on Nuclear with 13.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Connecticut or Tennessee?
Electricity is cheaper in Tennessee at 12.91¢/kWh compared to Connecticut at 29.98¢/kWh. That's a 56.9% difference, saving about $34.00/month on an average residential bill.
What is the average electricity bill in Connecticut vs Tennessee?
The average monthly electricity bill is $176 in Connecticut and $142 in Tennessee. The national average is $134.
Which state uses more renewable energy, Connecticut or Tennessee?
Tennessee has a higher renewable energy percentage at 13.0%, compared to 6.0% in Connecticut.
What are the main energy sources in Connecticut and Tennessee?
Connecticut primarily uses Natural Gas, while Tennessee relies on Nuclear.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)