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Electricity rates in South Dakota

Households in South Dakota paid an average of 15.15¢ per kilowatt-hour in August 2026. That is 17% below the national average of 18.16¢, and the 17th cheapest of the 51 U.S. jurisdictions. Year over year the rate is up 9.0%.

Average rate
15.15¢
A year ago
13.90¢
U.S. average
18.16¢
Rank
17th cheapest

What common appliances cost in South Dakota

Every figure below is this state's rate applied to a stated usage assumption. Follow any row for the full breakdown.

AppliancekWh/yearPer monthPer year
Electric car3,800$47.97$576
Electric water heater3,500$44.19$530
Hot tub2,500$31.56$379
Central air conditioner2,352$29.69$356
Heat pump2,160$27.27$327
Pool pump1,728$21.82$262
Electric baseboard heater1,350$17.04$205
Garage refrigerator900$11.36$136
Space heater864$10.91$131
Portable air conditioner845$10.67$128
Electric clothes dryer780$9.85$118
Window air conditioner691$8.73$105
Aquarium591$7.47$89.58
Gaming pc584$7.37$88.48
Well pump548$6.91$82.95
Dehumidifier540$6.82$81.81
Air purifier438$5.53$66.36
Refrigerator400$5.05$60.60
Desktop computer400$5.05$60.60
Electric oven333$4.20$50.42
Dishwasher312$3.94$47.27
Chest freezer300$3.79$45.45
Game console219$2.76$33.18
Coffee maker164$2.07$24.88
55-inch led tv164$2.07$24.88
Washing machine130$1.64$19.70
Air fryer126$1.59$19.09
Laptop120$1.51$18.18
Box fan112$1.42$17.04
Electric kettle110$1.38$16.59
Microwave110$1.38$16.59
Incandescent bulb110$1.38$16.59
Treadmill105$1.33$15.91
Slow cooker96$1.21$14.54
Hair dryer94$1.19$14.32
Wi-fi router88$1.11$13.27
Ceiling fan86$1.09$13.09
3d printer6581.8¢$9.82
Computer monitor6075.8¢$9.09
Security camera4455.3¢$6.64
Electric pressure cooker4253.0¢$6.36
Rice cooker4253.0¢$6.36
Electric lawn mower4252.5¢$6.30
Electric blanket3848.5¢$5.82
Vacuum cleaner3645.4¢$5.45
Toaster3544.2¢$5.31
Smart speaker2633.2¢$3.98
Clothes iron1620.8¢$2.50
Led bulb1620.7¢$2.49
String of christmas lights78.5¢$1.02

The largest single line item on this list in South Dakota is an electric car at $576 a year. The whole list together comes to $4,275 a year, though few households run all of them.

The average South Dakota household's bill was $127.81 a month in 2024. Why it is that number.

The same figures come as a printable South Dakota Home Energy Cost Workbook, with worksheets for auditing and tracking your own usage. See what is in it — the California edition is free to download.

Questions

What is the average electricity rate in South Dakota?
15.15¢ per kilowatt-hour for residential customers in August 2026, according to EIA's Electric Power Monthly.
Is electricity expensive in South Dakota?
It ranks 17th cheapest of 51 U.S. jurisdictions, 17% below the national average.
Why is my bill higher than this rate suggests?
This is a statewide average of what customers actually paid, so it already blends in fixed charges and taxes across all utilities and plans. Your own utility, rate plan, time-of-use period and tier can each move you well away from the average.