Cost to Run a Laptop 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 laptop here costs $1.72 per month.
Per hour
0.9¢
at 30–100 W
Per day
5.7¢
6 hours/day
Per month
$1.72
11 kWh
Per year
$20.63
131 kWh
By usage level in South Dakota
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 2.8¢ | $0.86 | $10.31 |
| Typical (6 hrs/day) | 5.7¢ | $1.72 | $20.63 |
| Heavy (12 hrs/day) | $0.11 | $3.44 | $41.26 |
South Dakota vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a laptop in South Dakota?
At South Dakota's current average residential rate of 15.7¢/kWh (May 2026), a laptop with typical usage costs about 5.7¢ per day, $1.72 per month, or $20.63 per year.
Is running a laptop in South Dakota more expensive than average?
No — it's cheaper. South Dakota's rate is about 15% below the U.S. average: $1.72 per month here versus $2.01 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.