Rhode Island vs South Dakota Electricity Rates (2026)
South Dakota has 51.1% cheaper electricity than Rhode Island. South Dakota residents pay 13.74¢/kWh compared to 28.08¢/kWh in Rhode Island, saving about $2.00/month on average.
Rhode Island
28.08¢
per kWh
$131/mo
South Dakota
13.74¢
per kWh
$133/mo
Detailed Rate Comparison
| Metric | Rhode Island | South Dakota | National Avg |
|---|---|---|---|
| Residential Rate | 28.08¢/kWh | 13.74¢/kWh | 17.22¢/kWh |
| Commercial Rate | 21.44¢/kWh | 11.52¢/kWh | - |
| Industrial Rate | 19.64¢/kWh | 9.11¢/kWh | - |
| Avg Monthly Bill | $131 | $133 | $134 |
| Renewable Energy | 9.0% | 35.0% | ~22% |
| Primary Source | Natural Gas | Wind | - |
Appliance Running Costs: Rhode Island vs South Dakota
Monthly cost to run common household appliances in each state.
| Appliance | RI | SD | Savings |
|---|---|---|---|
| Air Purifier | $10.11 | $4.95 | SD saves $5.16 |
| Blender | $0.34 | $0.16 | SD saves $0.17 |
| CFL Bulb (13W) | $0.88 | $0.43 | SD saves $0.45 |
| Cable / Satellite Box | $7.08 | $3.46 | SD saves $3.61 |
| Ceiling Fan | $7.58 | $3.71 | SD saves $3.87 |
| Central Air Conditioner | $235.87 | $115.42 | SD saves $120.46 |
| Chest Freezer | $16.17 | $7.91 | SD saves $8.26 |
| Clothes Dryer (Electric) | $25.27 | $12.37 | SD saves $12.91 |
| Coffee Maker | $1.90 | $0.93 | SD saves $0.97 |
| Crypto Mining Rig | $303.26 | $148.39 | SD saves $154.87 |
| Dehumidifier | $30.33 | $14.84 | SD saves $15.49 |
| Desktop Computer | $13.48 | $6.60 | SD saves $6.88 |
| Dishwasher | $15.16 | $7.42 | SD saves $7.74 |
| Electric Baseboard Heater | $84.24 | $41.22 | SD saves $43.02 |
| Electric Fireplace | $47.17 | $23.08 | SD saves $24.09 |
Bottom Line: Rhode Island vs South Dakota
South Dakota is the more affordable state for electricity, with rates 51.1% lower than Rhode Island. An average household would save about $24.00/year by living in South Dakota.
Rhode Island gets its electricity primarily from Natural Gas with 9.0% renewable, while South Dakota relies on Wind with 35.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Rhode Island or South Dakota?
Electricity is cheaper in South Dakota at 13.74¢/kWh compared to Rhode Island at 28.08¢/kWh. That's a 51.1% difference, saving about $2.00/month on an average residential bill.
What is the average electricity bill in Rhode Island vs South Dakota?
The average monthly electricity bill is $131 in Rhode Island and $133 in South Dakota. The national average is $134.
Which state uses more renewable energy, Rhode Island or South Dakota?
South Dakota has a higher renewable energy percentage at 35.0%, compared to 9.0% in Rhode Island.
What are the main energy sources in Rhode Island and South Dakota?
Rhode Island primarily uses Natural Gas, while South Dakota relies on Wind.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)