Electricity Rates in South Dakota (2026)
National average: 16.72¢/kWh · Source: EIA, January 2026
Hydroelectric and Wind Power Keep South Dakota Rates Low
South Dakota benefits from federal hydroelectric dams on the Missouri River (Big Bend, Fort Randall, Gavins Point, and Oahe) that provide cheap, reliable generation. At 13.76 cents/kWh, rates are below the national average. Wind generation is growing rapidly, and the state has excellent wind resources across its western and central plains.
Calculate Any Appliance Cost in South Dakota
Most Expensive Appliances to Run in South Dakota
Monthly costs at 13.76¢/kWh using typical wattage and hours:
| Appliance | Watts | Hrs/Day | Monthly Cost |
|---|---|---|---|
| Tankless Water Heater | 27000W | 1h | $111.46 |
| Electric Furnace | 10000W | 8h | $330.24 |
| Electric Car Charger (Level 2) | 7200W | 4h | $118.89 |
| Hot Tub | 6000W | 4h | $99.07 |
| Clothes Dryer | 5000W | 1h | $20.64 |
| Electric Water Heater | 4500W | 3h | $55.73 |
| Garage Workshop Heater | 4000W | 4h | $66.05 |
| Central Air Conditioner | 3500W | 8h | $115.58 |
| Electric Oven | 2500W | 1h | $10.32 |
| Dishwasher | 1800W | 1h | $7.43 |
| Hair Dryer | 1800W | 0.15h | $1.11 |
| Electric Pressure Washer | 1800W | 0.5h | $3.72 |
| Space Heater | 1500W | 8h | $49.54 |
| Electric Baseboard Heater | 1500W | 8h | $49.54 |
| Infrared Heater | 1500W | 6h | $37.15 |
Tips for Reducing Your Electricity Bill in South Dakota
- South Dakota winters are cold. Insulation and efficient heating are the most impactful investments for reducing your electricity bill.
- Check with your local cooperative or municipal utility for energy efficiency rebates. Programs vary by utility in South Dakota.
- South Dakota has no state income tax, which combined with low electricity rates makes it one of the most affordable states for overall energy costs.
- If you heat with electric baseboard, upgrading to a heat pump can save 40-60% on heating costs even in South Dakota's cold climate.
Frequently Asked Questions About South Dakota Electricity
Federal hydroelectric dams on the Missouri River provide cheap baseload generation, and the state's strong wind resources add zero-fuel-cost power. These two abundant local resources keep generation costs low. South Dakota's small population and low cost of business also keep distribution costs manageable.
The average South Dakota household pays about $110-$135 per month. Low rates and moderate consumption keep bills below the national average. Winter heating costs depend on fuel source; homes with electric heating pay more in winter, while natural gas and propane are also common.
Compare Neighboring Rates
See how South Dakota compares to other states in the Midwest region:
Illinois
16.37¢/kWh
Indiana
15.12¢/kWh
Iowa
14.23¢/kWh
Kansas
14.98¢/kWh
Michigan
18.76¢/kWh
Minnesota
15.34¢/kWh
Missouri
13.12¢/kWh
Nebraska
11.98¢/kWh
North Dakota
11.87¢/kWh
Ohio
15.34¢/kWh
Wisconsin
16.98¢/kWh
Electricity rate data sourced from the U.S. Energy Information Administration (EIA), average residential retail price, last updated January 2026. Your actual rate depends on your utility, plan, and usage tier. See our full disclaimer.