U.S. residential electricity EIA data: July 2026 US average 18.3¢/kWh Updated

Midwest · Residential electricity

Electricity Rates in South Dakota

The short answer

The average residential electricity rate in South Dakota is 15.4¢ per kWh (July 2026, EIA) — 16% below the US average of 18.3¢.

That makes South Dakota the 18th-cheapest state for residential electricity, with prices up 5.9% from a year earlier. The average South Dakota household used 1,146 kWh and paid about $176 that month.

Source: U.S. EIA, July 2026 data · Updated

Average rate15.4¢per kWh · Jul 2026
vs last month+0.1%from 15.4¢
vs last year+5.9%from 14.5¢
National rank18thcheapest of 51

South Dakota electricity price history

Average residential price per kWh, last 36 months, compared with the US average.

South Dakota vs US average electricity price, cents per kWhSouth Dakota moved from 13.1¢ to 15.4¢ between Aug 2023 and Jul 2026.10¢13¢15¢18¢20¢Aug ’23Feb ’24Aug ’24Feb ’25Aug ’25Feb ’26Jul ’2615.4¢US 18.3¢
South DakotaUS average

What appliances cost to run in South Dakota

At 15.4¢/kWh and typical usage. Select an appliance to change wattage and hours.

Appliance running costs in South Dakota
AppliancePer hour/usePer monthPer year
Heating
Space Heater8 hours a day $0.23 /hour $56.11 $673
Oil-Filled Radiator8 hours a day $0.16 /hour $39.27 $471
Heat Pump8 hours a day $0.46 /hour $112 $1,346
Electric Blanket8 hours a day $0.02 /hour $3.74 $44.88
Electric Water Heater3 hours a day $0.69 /hour $63.12 $757
Electric Baseboard Heater8 hours a day $0.23 /hour $56.11 $673
Cooling
Central Air Conditioner8 hours a day $0.54 /hour $131 $1,571
Window Air Conditioner8 hours a day $0.14 /hour $33.66 $404
Portable Air Conditioner8 hours a day $0.18 /hour $44.89 $539
Ceiling Fan8 hours a day $0.01 /hour $1.87 $22.44
Dehumidifier8 hours a day $0.08 /hour $18.70 $224
Kitchen
Refrigeratorrunning 24/7 $0.19 /day $5.89 $70.69
Chest Freezerrunning 24/7 $0.12 /day $3.59 $43.09
Electric Oven1 hour a day $0.28 /hour $8.42 $101
Microwave15 minutes a day $0.17 /hour $1.29 $15.43
Dishwasher5 loads a week $0.23 /load $5.01 $60.11
Air Fryer30 minutes a day $0.18 /hour $2.81 $33.66
Coffee Maker15 minutes a day $0.15 /hour $1.17 $14.03
Electric Kettle6 minutes a day $0.23 /hour $0.70 $8.42
Laundry
Washing Machine5 loads a week $0.08 /load $1.67 $20.04
Clothes Dryer5 loads a week $0.46 /load $10.02 $120
Entertainment
TV5 hours a day $0.02 /hour $2.34 $28.05
Gaming PC4 hours a day $0.08 /hour $9.35 $112
PS53 hours a day $0.03 /hour $2.81 $33.66
Xbox Series X3 hours a day $0.02 /hour $2.24 $26.93
Home Office
Desktop Computer8 hours a day $0.02 /hour $5.61 $67.32
Laptop8 hours a day $0.01 /hour $2.24 $26.93
Wi-Fi Routerrunning 24/7 $0.04 /day $1.12 $13.46
Outdoor & Garage
Pool Pump8 hours a day $0.23 /hour $56.11 $673
EV Charger2 hours a day $1.11 /hour $67.33 $808

Electricity rates in nearby states

See all 50 states ranked

Questions

Frequently asked questions

What is the average electricity rate in South Dakota?

The average residential electricity rate in South Dakota was 15.4¢ per kWh in July 2026 (EIA), compared with a US average of 18.3¢.

Is electricity expensive in South Dakota?

South Dakota ranks 18th cheapest of the 50 states and DC — cheaper than most. Its rate is 16% below the national average.

What is the average electric bill in South Dakota?

In July 2026, the average residential customer in South Dakota used 1,146 kWh and paid about $176 for electricity, based on EIA revenue and customer data. Bills vary by season — they are usually highest in summer or winter, depending on climate.

Are electricity prices going up in South Dakota?

Compared with July 2025, the average residential rate in South Dakota is up 5.9% (14.5¢ → 15.4¢/kWh).

Sources & method