Iowa vs South Dakota Electricity Rates (2026)
South Dakota has 9.2% cheaper electricity than Iowa. South Dakota residents pay 13.74¢/kWh compared to 15.14¢/kWh in Iowa, saving about $5.00/month on average.
Iowa
15.14¢
per kWh
$128/mo
South Dakota
13.74¢
per kWh
$133/mo
Detailed Rate Comparison
| Metric | Iowa | South Dakota | National Avg |
|---|---|---|---|
| Residential Rate | 15.14¢/kWh | 13.74¢/kWh | 17.22¢/kWh |
| Commercial Rate | 13.27¢/kWh | 11.52¢/kWh | - |
| Industrial Rate | 7.45¢/kWh | 9.11¢/kWh | - |
| Avg Monthly Bill | $128 | $133 | $134 |
| Renewable Energy | 62.0% | 35.0% | ~22% |
| Primary Source | Wind | Wind | - |
Appliance Running Costs: Iowa vs South Dakota
Monthly cost to run common household appliances in each state.
| Appliance | IA | SD | Savings |
|---|---|---|---|
| Air Purifier | $5.45 | $4.95 | SD saves $0.50 |
| Blender | $0.18 | $0.16 | SD saves $0.02 |
| CFL Bulb (13W) | $0.47 | $0.43 | SD saves $0.04 |
| Cable / Satellite Box | $3.82 | $3.46 | SD saves $0.35 |
| Ceiling Fan | $4.09 | $3.71 | SD saves $0.38 |
| Central Air Conditioner | $127.18 | $115.42 | SD saves $11.76 |
| Chest Freezer | $8.72 | $7.91 | SD saves $0.81 |
| Clothes Dryer (Electric) | $13.63 | $12.37 | SD saves $1.26 |
| Coffee Maker | $1.02 | $0.93 | SD saves $0.09 |
| Crypto Mining Rig | $163.51 | $148.39 | SD saves $15.12 |
| Dehumidifier | $16.35 | $14.84 | SD saves $1.51 |
| Desktop Computer | $7.27 | $6.60 | SD saves $0.67 |
| Dishwasher | $8.18 | $7.42 | SD saves $0.76 |
| Electric Baseboard Heater | $45.42 | $41.22 | SD saves $4.20 |
| Electric Fireplace | $25.44 | $23.08 | SD saves $2.35 |
Bottom Line: Iowa vs South Dakota
South Dakota is the more affordable state for electricity, with rates 9.2% lower than Iowa. An average household would save about $60.00/year by living in South Dakota.
Iowa gets its electricity primarily from Wind with 62.0% renewable, while South Dakota relies on Wind with 35.0% renewable.
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Frequently Asked Questions
Is electricity cheaper in Iowa or South Dakota?
Electricity is cheaper in South Dakota at 13.74¢/kWh compared to Iowa at 15.14¢/kWh. That's a 9.2% difference, saving about $5.00/month on an average residential bill.
What is the average electricity bill in Iowa vs South Dakota?
The average monthly electricity bill is $128 in Iowa and $133 in South Dakota. The national average is $134.
Which state uses more renewable energy, Iowa or South Dakota?
Iowa has a higher renewable energy percentage at 62.0%, compared to 35.0% in South Dakota.
What are the main energy sources in Iowa and South Dakota?
Iowa primarily uses Wind, while South Dakota relies on Wind.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)