Cost to Run a CPAP Machine in Illinois
Illinois's average residential electricity rate is 20.5¢/kWh as of April 2026 — the 36th cheapest in the country, 9% above the U.S. average. At typical usage (8 hours/day), a cpap machine here costs $1.99 per month.
Per hour
0.8¢
at 30–90 W
Per day
6.6¢
8 hours/day
Per month
$1.99
9.7 kWh
Per year
$23.94
117 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 3.3¢ | $1.00 | $11.97 |
| Typical (8 hrs/day) | 6.6¢ | $1.99 | $23.94 |
| Heavy (16 hrs/day) | $0.13 | $3.99 | $47.89 |
Illinois 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 Illinois?
At Illinois's current average residential rate of 20.5¢/kWh (April 2026), a cpap machine with typical usage costs about 6.6¢ per day, $1.99 per month, or $23.94 per year.
Is running a cpap machine in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $1.99 per month here versus $1.83 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 20.5¢ per kWh as of April 2026 — the 36th cheapest rate of the 51 U.S. jurisdictions we track.