South DakotaElectricity Rates & Utility Costs
The average residential electricity rate in South Dakota is 13.74¢/kWh, which is below average. That's 20.2% lower than the national average.
Residential
13.74¢
per kWh
Commercial
11.52¢
per kWh
Industrial
9.11¢
per kWh
Avg Monthly Bill
$133
residential
South Dakota vs National Average
| Metric | South Dakota | National Avg | Difference |
|---|---|---|---|
| Residential Rate | 13.74¢/kWh | 17.22¢/kWh | -3.48¢ |
| Monthly Bill | $133 | $134 | $-1.00 |
| Renewable Energy | 35.0% | ~22% | Above avg |
| Primary Source | Wind | ||
Why Electricity Is Affordable in South Dakota
South Dakota enjoys some of the most affordable electricity in the US. Access to affordable wind keeps generation costs down. Renewable energy makes up 35.0% of the state's electricity mix. Low rates attract energy-intensive industries and make South Dakota a cost-effective place to live.
Utility Companies in South Dakota
| Utility | Avg Rate | Customers | Type |
|---|---|---|---|
| Xcel Energy SD | 13.74¢/kWh | 110,000 | electric |
| Black Hills Energy SD | 13.10¢/kWh | 72,000 | electric |
Appliance Running Costs in South Dakota
Based on South Dakota's residential rate of 13.74¢/kWh.
| Appliance | Watts | Hours/Day | Monthly Cost | Annual Cost |
|---|---|---|---|---|
| Air Purifier | 50 | 24 | $4.95 | $59.36 |
| Blender | 400 | 0.1 | $0.16 | $1.98 |
| CFL Bulb (13W) | 13 | 8 | $0.43 | $5.14 |
| Cable / Satellite Box | 35 | 24 | $3.46 | $41.55 |
| Ceiling Fan | 75 | 12 | $3.71 | $44.52 |
| Central Air Conditioner | 3,500 | 8 | $115.42 | $1,384.99 |
| Chest Freezer | 80 | 24 | $7.91 | $94.97 |
| Clothes Dryer (Electric) | 3,000 | 1 | $12.37 | $148.39 |
| Coffee Maker | 900 | 0.25 | $0.93 | $11.13 |
| Crypto Mining Rig | 1,500 | 24 | $148.39 | $1,780.70 |
| Dehumidifier | 300 | 12 | $14.84 | $178.07 |
| Desktop Computer | 200 | 8 | $6.60 | $79.14 |
| Dishwasher | 1,800 | 1 | $7.42 | $89.04 |
| Electric Baseboard Heater | 1,000 | 10 | $41.22 | $494.64 |
| Electric Fireplace | 1,400 | 4 | $23.08 | $277.00 |
Compare With Other States
More Data for South Dakota
Frequently Asked Questions
What is the average electricity rate in South Dakota?
The average residential electricity rate in South Dakota is 13.74¢ per kWh, which is 20.2% below the national average of 17.22¢/kWh.
How much is the average monthly electric bill in South Dakota?
The average monthly residential electric bill in South Dakota is $133, compared to the national average of $134.
Why is electricity cheap in South Dakota?
South Dakota enjoys some of the most affordable electricity in the US. Access to affordable wind keeps generation costs down. Renewable energy makes up 35.0% of the state's electricity mix. Low rates attract energy-intensive industries and make South Dakota a cost-effective place to live.
What is the main energy source in South Dakota?
The primary energy source in South Dakota is Wind, with 35.0% of electricity coming from renewable sources.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)