Cost to Run a Desktop Computer in Washington
Washington's average residential electricity rate is 14.4¢/kWh as of April 2026 — the 12th cheapest in the country, 23% below the U.S. average. At typical usage (6 hours/day), a desktop computer here costs $5.41 per month.
Per hour
2.9¢
at 100–400 W
Per day
$0.18
6 hours/day
Per month
$5.41
38 kWh
Per year
$64.96
451 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 8.9¢ | $2.71 | $32.48 |
| Typical (6 hrs/day) | $0.18 | $5.41 | $64.96 |
| Heavy (12 hrs/day) | $0.36 | $10.82 | $130 |
Washington 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 Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a desktop computer with typical usage costs about $0.18 per day, $5.41 per month, or $64.96 per year.
Is running a desktop computer in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $5.41 per month here versus $7.06 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 14.4¢ per kWh as of April 2026 — the 12th cheapest rate of the 51 U.S. jurisdictions we track.