Cost to Run a Humidifier in South Dakota
South Dakota's average residential electricity rate is 15.7¢/kWh as of May 2026 — the 21st cheapest in the country, 15% below the U.S. average. At typical usage (10 hours/day), a humidifier here costs $1.91 per month.
Per hour
0.6¢
at 20–300 W
Per day
6.3¢
10 hours/day
Per month
$1.91
12 kWh
Per year
$22.92
146 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.1¢ | $0.95 | $11.46 |
| Typical (10 hrs/day) | 6.3¢ | $1.91 | $22.92 |
| Heavy (20 hrs/day) | $0.13 | $3.82 | $45.84 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a humidifier in South Dakota?
At South Dakota's current average residential rate of 15.7¢/kWh (May 2026), a humidifier with typical usage costs about 6.3¢ per day, $1.91 per month, or $22.92 per year.
Is running a humidifier in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 15% below the U.S. average: $1.91 per month here versus $2.24 nationally.
What does electricity cost in South Dakota right now?
South Dakota residents pay an average of 15.7¢ per kWh as of May 2026 — the 21st cheapest rate of the 51 U.S. jurisdictions we track.