Cost to Run a Heat Pump Water Heater in South Dakota
South Dakota's average residential electricity rate is 14.5¢/kWh as of April 2026 — the 13th cheapest in the country, 23% below the U.S. average. At typical usage (3 hours/day), a heat pump water heater here costs $13.22 per month.
Per hour
$0.14
at 400–1,500 W
Per day
$0.43
3 hours/day
Per month
$13.22
91 kWh
Per year
$159
1,095 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $0.22 | $6.61 | $79.39 |
| Typical (3 hrs/day) | $0.43 | $13.22 | $159 |
| Heavy (6 hrs/day) | $0.87 | $26.45 | $318 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump water heater in South Dakota?
At South Dakota's current average residential rate of 14.5¢/kWh (April 2026), a heat pump water heater with typical usage costs about $0.43 per day, $13.22 per month, or $159 per year.
Is running a heat pump water heater in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 23% below the U.S. average: $13.22 per month here versus $17.15 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 14.5¢ per kWh as of April 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.