Cost to Run a Dishwasher 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 (5 uses/week at 1.2 kWh each), a dishwasher here costs $3.75 per month.
Per use
$0.17
1.2 kWh per use
Per day
$0.12
5 uses/week at 1.2 kWh each
Per month
$3.75
26 kWh
Per year
$45.05
313 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3×/week) | 6.2¢ | $1.88 | $22.53 |
| Typical (5×/week) | $0.12 | $3.75 | $45.05 |
| Heavy (10×/week) | $0.25 | $7.50 | $90.10 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dishwasher in Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a dishwasher with typical usage costs about $0.12 per day, $3.75 per month, or $45.05 per year.
Is running a dishwasher in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $3.75 per month here versus $4.90 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.