Delaware vs South Dakota Electricity Rates (2026)
South Dakota has 8.0% cheaper electricity than Delaware. South Dakota residents pay 13.74¢/kWh compared to 14.94¢/kWh in Delaware, saving about $2.00/month on average.
Delaware
14.94¢
per kWh
$131/mo
South Dakota
13.74¢
per kWh
$133/mo
Detailed Rate Comparison
| Metric | Delaware | South Dakota | National Avg |
|---|---|---|---|
| Residential Rate | 14.94¢/kWh | 13.74¢/kWh | 17.22¢/kWh |
| Commercial Rate | 11.68¢/kWh | 11.52¢/kWh | - |
| Industrial Rate | 9.38¢/kWh | 9.11¢/kWh | - |
| Avg Monthly Bill | $131 | $133 | $134 |
| Renewable Energy | 5.0% | 35.0% | ~22% |
| Primary Source | Natural Gas | Wind | - |
Appliance Running Costs: Delaware vs South Dakota
Monthly cost to run common household appliances in each state.
| Appliance | DE | SD | Savings |
|---|---|---|---|
| Air Purifier | $5.38 | $4.95 | SD saves $0.43 |
| Blender | $0.18 | $0.16 | SD saves $0.01 |
| CFL Bulb (13W) | $0.47 | $0.43 | SD saves $0.04 |
| Cable / Satellite Box | $3.76 | $3.46 | SD saves $0.30 |
| Ceiling Fan | $4.03 | $3.71 | SD saves $0.32 |
| Central Air Conditioner | $125.50 | $115.42 | SD saves $10.08 |
| Chest Freezer | $8.61 | $7.91 | SD saves $0.69 |
| Clothes Dryer (Electric) | $13.45 | $12.37 | SD saves $1.08 |
| Coffee Maker | $1.01 | $0.93 | SD saves $0.08 |
| Crypto Mining Rig | $161.35 | $148.39 | SD saves $12.96 |
| Dehumidifier | $16.14 | $14.84 | SD saves $1.30 |
| Desktop Computer | $7.17 | $6.60 | SD saves $0.58 |
| Dishwasher | $8.07 | $7.42 | SD saves $0.65 |
| Electric Baseboard Heater | $44.82 | $41.22 | SD saves $3.60 |
| Electric Fireplace | $25.10 | $23.08 | SD saves $2.02 |
Bottom Line: Delaware vs South Dakota
South Dakota is the more affordable state for electricity, with rates 8.0% lower than Delaware. An average household would save about $24.00/year by living in South Dakota.
Delaware gets its electricity primarily from Natural Gas with 5.0% renewable, while South Dakota relies on Wind with 35.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Delaware or South Dakota?
Electricity is cheaper in South Dakota at 13.74¢/kWh compared to Delaware at 14.94¢/kWh. That's a 8.0% difference, saving about $2.00/month on an average residential bill.
What is the average electricity bill in Delaware vs South Dakota?
The average monthly electricity bill is $131 in Delaware and $133 in South Dakota. The national average is $134.
Which state uses more renewable energy, Delaware or South Dakota?
South Dakota has a higher renewable energy percentage at 35.0%, compared to 5.0% in Delaware.
What are the main energy sources in Delaware and South Dakota?
Delaware 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)