Cost to Run a Desktop Computer 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 (6 hours/day), a desktop computer here costs $5.90 per month.
Per hour
3.1¢
at 100–400 W
Per day
$0.19
6 hours/day
Per month
$5.90
38 kWh
Per year
$70.83
451 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.10 | $2.95 | $35.41 |
| Typical (6 hrs/day) | $0.19 | $5.90 | $70.83 |
| Heavy (12 hrs/day) | $0.39 | $11.80 | $142 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a desktop computer in South Dakota?
At South Dakota's current average residential rate of 15.7¢/kWh (May 2026), a desktop computer with typical usage costs about $0.19 per day, $5.90 per month, or $70.83 per year.
Is running a desktop computer in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 15% below the U.S. average: $5.90 per month here versus $6.91 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.