Cost to Run a Laptop in Washington
Washington's average residential electricity rate is 15¢/kWh as of May 2026 — the 16th cheapest in the country, 18% below the U.S. average. At typical usage (6 hours/day), a laptop here costs $1.64 per month.
Per hour
0.9¢
at 30–100 W
Per day
5.4¢
6 hours/day
Per month
$1.64
11 kWh
Per year
$19.71
131 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 2.7¢ | $0.82 | $9.86 |
| Typical (6 hrs/day) | 5.4¢ | $1.64 | $19.71 |
| Heavy (12 hrs/day) | $0.11 | $3.28 | $39.42 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a laptop in Washington?
At Washington's current average residential rate of 15¢/kWh (May 2026), a laptop with typical usage costs about 5.4¢ per day, $1.64 per month, or $19.71 per year.
Is running a laptop in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 18% below the U.S. average: $1.64 per month here versus $2.01 nationally.
What does electricity cost in Washington right now?
Washington residents pay an average of 15¢ per kWh as of May 2026 — the 16th cheapest rate of the 51 U.S. jurisdictions we track.