South Dakota vs Tennessee Electricity Rates (2026)
Tennessee has 6.0% cheaper electricity than South Dakota. Tennessee residents pay 12.91¢/kWh compared to 13.74¢/kWh in South Dakota, saving about $9.00/month on average.
South Dakota
13.74¢
per kWh
$133/mo
Tennessee
12.91¢
per kWh
$142/mo
Detailed Rate Comparison
| Metric | South Dakota | Tennessee | National Avg |
|---|---|---|---|
| Residential Rate | 13.74¢/kWh | 12.91¢/kWh | 17.22¢/kWh |
| Commercial Rate | 11.52¢/kWh | 11.38¢/kWh | - |
| Industrial Rate | 9.11¢/kWh | 7.33¢/kWh | - |
| Avg Monthly Bill | $133 | $142 | $134 |
| Renewable Energy | 35.0% | 13.0% | ~22% |
| Primary Source | Wind | Nuclear | - |
Appliance Running Costs: South Dakota vs Tennessee
Monthly cost to run common household appliances in each state.
| Appliance | SD | TN | Savings |
|---|---|---|---|
| Air Purifier | $4.95 | $4.65 | TN saves $0.30 |
| Blender | $0.16 | $0.15 | TN saves $0.01 |
| CFL Bulb (13W) | $0.43 | $0.40 | TN saves $0.03 |
| Cable / Satellite Box | $3.46 | $3.25 | TN saves $0.21 |
| Ceiling Fan | $3.71 | $3.49 | TN saves $0.22 |
| Central Air Conditioner | $115.42 | $108.44 | TN saves $6.97 |
| Chest Freezer | $7.91 | $7.44 | TN saves $0.48 |
| Clothes Dryer (Electric) | $12.37 | $11.62 | TN saves $0.75 |
| Coffee Maker | $0.93 | $0.87 | TN saves $0.06 |
| Crypto Mining Rig | $148.39 | $139.43 | TN saves $8.96 |
| Dehumidifier | $14.84 | $13.94 | TN saves $0.90 |
| Desktop Computer | $6.60 | $6.20 | TN saves $0.40 |
| Dishwasher | $7.42 | $6.97 | TN saves $0.45 |
| Electric Baseboard Heater | $41.22 | $38.73 | TN saves $2.49 |
| Electric Fireplace | $23.08 | $21.69 | TN saves $1.39 |
Bottom Line: South Dakota vs Tennessee
Tennessee is the more affordable state for electricity, with rates 6.0% lower than South Dakota. An average household would save about $108.00/year by living in Tennessee.
South Dakota gets its electricity primarily from Wind with 35.0% renewable, while Tennessee relies on Nuclear with 13.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in South Dakota or Tennessee?
Electricity is cheaper in Tennessee at 12.91¢/kWh compared to South Dakota at 13.74¢/kWh. That's a 6.0% difference, saving about $9.00/month on an average residential bill.
What is the average electricity bill in South Dakota vs Tennessee?
The average monthly electricity bill is $133 in South Dakota and $142 in Tennessee. The national average is $134.
Which state uses more renewable energy, South Dakota or Tennessee?
South Dakota has a higher renewable energy percentage at 35.0%, compared to 13.0% in Tennessee.
What are the main energy sources in South Dakota and Tennessee?
South Dakota primarily uses Wind, while Tennessee relies on Nuclear.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)