Cost to Run a Desktop Computer in Missouri
Missouri's average residential electricity rate is 13.7¢/kWh as of May 2026 — the 7th cheapest in the country, 26% below the U.S. average. At typical usage (6 hours/day), a desktop computer here costs $5.15 per month.
Per hour
2.7¢
at 100–400 W
Per day
$0.17
6 hours/day
Per month
$5.15
38 kWh
Per year
$61.81
451 kWh
By usage level in Missouri
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 8.5¢ | $2.57 | $30.90 |
| Typical (6 hrs/day) | $0.17 | $5.15 | $61.81 |
| Heavy (12 hrs/day) | $0.34 | $10.30 | $124 |
Missouri 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 Missouri?
At Missouri's current average residential rate of 13.7¢/kWh (May 2026), a desktop computer with typical usage costs about $0.17 per day, $5.15 per month, or $61.81 per year.
Is running a desktop computer in Missouri more expensive than average?
No — it's cheaper. Missouri's rate is about 26% below the U.S. average: $5.15 per month here versus $6.91 nationally.
What does electricity cost in Missouri right now?
Missouri residents pay an average of 13.7¢ per kWh as of May 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.