Cost to Run a CPAP Machine 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 (8 hours/day), a cpap machine here costs $1.41 per month.
Per hour
0.6¢
at 30–90 W
Per day
4.6¢
8 hours/day
Per month
$1.41
9.7 kWh
Per year
$16.94
117 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.3¢ | $0.71 | $8.47 |
| Typical (8 hrs/day) | 4.6¢ | $1.41 | $16.94 |
| Heavy (16 hrs/day) | 9.3¢ | $2.82 | $33.87 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a cpap machine in South Dakota?
At South Dakota's current average residential rate of 14.5¢/kWh (April 2026), a cpap machine with typical usage costs about 4.6¢ per day, $1.41 per month, or $16.94 per year.
Is running a cpap machine in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 23% below the U.S. average: $1.41 per month here versus $1.83 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.