Cost to Run a CPAP Machine in Montana
Montana's average residential electricity rate is 14.7¢/kWh as of May 2026 — the 13th cheapest in the country, 20% below the U.S. average. At typical usage (8 hours/day), a cpap machine here costs $1.43 per month.
Per hour
0.6¢
at 30–90 W
Per day
4.7¢
8 hours/day
Per month
$1.43
9.7 kWh
Per year
$17.17
117 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.4¢ | $0.72 | $8.58 |
| Typical (8 hrs/day) | 4.7¢ | $1.43 | $17.17 |
| Heavy (16 hrs/day) | 9.4¢ | $2.86 | $34.34 |
Montana 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 Montana?
At Montana's current average residential rate of 14.7¢/kWh (May 2026), a cpap machine with typical usage costs about 4.7¢ per day, $1.43 per month, or $17.17 per year.
Is running a cpap machine in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 20% below the U.S. average: $1.43 per month here versus $1.79 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 14.7¢ per kWh as of May 2026 — the 13th cheapest rate of the 51 U.S. jurisdictions we track.