Cost to Run a Box Fan 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 box fan here costs $2.64 per month.
Per hour
1.1¢
at 50–100 W
Per day
8.7¢
8 hours/day
Per month
$2.64
18 kWh
Per year
$31.75
219 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 4.3¢ | $1.32 | $15.88 |
| Typical (8 hrs/day) | 8.7¢ | $2.64 | $31.75 |
| Heavy (16 hrs/day) | $0.17 | $5.29 | $63.51 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a box fan in South Dakota?
At South Dakota's current average residential rate of 14.5¢/kWh (April 2026), a box fan with typical usage costs about 8.7¢ per day, $2.64 per month, or $31.75 per year.
Is running a box fan in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 23% below the U.S. average: $2.64 per month here versus $3.43 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.