Cost to Run a CPAP Machine in California
California's average residential electricity rate is 33.6¢/kWh as of July 2026 — the 50th cheapest in the country, 84% above the U.S. average. At typical usage (8 hours/day), a cpap machine here costs $3.27 per month.
Per hour
1.3¢
at 30–90 W
Per day
$0.11
8 hours/day
Per month
$3.27
9.7 kWh
Per year
$39.24
117 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 5.4¢ | $1.63 | $19.62 |
| Typical (8 hrs/day) | $0.11 | $3.27 | $39.24 |
| Heavy (16 hrs/day) | $0.22 | $6.54 | $78.49 |
California 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 California?
At California's current average residential rate of 33.6¢/kWh (July 2026), a cpap machine with typical usage costs about $0.11 per day, $3.27 per month, or $39.24 per year.
Is running a cpap machine in California more expensive than average?
Yes. California's electricity costs about 84% more than the U.S. average, so the same usage costs $3.27 per month here versus $1.78 nationally.
What does electricity cost in California right now?
California residents pay an average of 33.6¢ per kWh as of July 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.