Cost to Run a Ductless Mini-Split in South Dakota
South Dakota's average residential electricity rate is 15.4¢/kWh as of July 2026 — the 19th cheapest in the country, 16% below the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $29.96 per month.
Per hour
$0.12
at 400–2,000 W
Per day
$0.99
8 hours/day
Per month
$29.96
195 kWh
Per year
$360
2,336 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.49 | $14.98 | $180 |
| Typical (8 hrs/day) | $0.99 | $29.96 | $360 |
| Heavy (16 hrs/day) | $1.97 | $59.92 | $719 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a ductless mini-split in South Dakota?
At South Dakota's current average residential rate of 15.4¢/kWh (July 2026), a ductless mini-split with typical usage costs about $0.99 per day, $29.96 per month, or $360 per year.
Is running a ductless mini-split in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 16% below the U.S. average: $29.96 per month here versus $35.60 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 15.4¢ per kWh as of July 2026 — the 19th cheapest rate of the 51 U.S. jurisdictions we track.