Cost to Run a CPAP Machine 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 (8 hours/day), a cpap machine here costs $1.40 per month.
Per hour
0.6¢
at 30–90 W
Per day
4.6¢
8 hours/day
Per month
$1.40
9.7 kWh
Per year
$16.82
117 kWh
By usage level in Washington
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.3¢ | $0.70 | $8.41 |
| Typical (8 hrs/day) | 4.6¢ | $1.40 | $16.82 |
| Heavy (16 hrs/day) | 9.2¢ | $2.80 | $33.64 |
Washington vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a cpap machine in Washington?
At Washington's current average residential rate of 14.4¢/kWh (April 2026), a cpap machine with typical usage costs about 4.6¢ per day, $1.40 per month, or $16.82 per year.
Is running a cpap machine in Washington more expensive than average?
No — it's cheaper. Washington's rate is about 23% below the U.S. average: $1.40 per month here versus $1.83 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.