Cost to Run a Robot Vacuum 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 (7 uses/week at 0.06 kWh each), a robot vacuum here costs $0.27 per month.
Per use
0.9¢
0.06 kWh per use
Per day
0.9¢
7 uses/week at 0.06 kWh each
Per month
$0.27
1.8 kWh
Per year
$3.28
22 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4×/week) | 0.4¢ | $0.14 | $1.64 |
| Typical (7×/week) | 0.9¢ | $0.27 | $3.28 |
| Heavy (14×/week) | 1.8¢ | $0.55 | $6.57 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a robot vacuum in Washington?
At Washington's current average residential rate of 15¢/kWh (May 2026), a robot vacuum with typical usage costs about 0.9¢ per day, $0.27 per month, or $3.28 per year.
Is running a robot vacuum in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 18% below the U.S. average: $0.27 per month here versus $0.34 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.