Cost to Run a CPAP Machine in Illinois
Illinois's average residential electricity rate is 19.2¢/kWh as of July 2026 — the 35th cheapest in the country, 5% above the U.S. average. At typical usage (8 hours/day), a cpap machine here costs $1.87 per month.
Per hour
0.8¢
at 30–90 W
Per day
6.1¢
8 hours/day
Per month
$1.87
9.7 kWh
Per year
$22.43
117 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 3.1¢ | $0.93 | $11.21 |
| Typical (8 hrs/day) | 6.1¢ | $1.87 | $22.43 |
| Heavy (16 hrs/day) | $0.12 | $3.74 | $44.85 |
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 19.2¢/kWh (July 2026), a cpap machine with typical usage costs about 6.1¢ per day, $1.87 per month, or $22.43 per year.
Is running a cpap machine in Illinois more expensive than average?
Yes. Illinois's electricity costs about 5% more than the U.S. average, so the same usage costs $1.87 per month here versus $1.78 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 19.2¢ per kWh as of July 2026 — the 35th cheapest rate of the 51 U.S. jurisdictions we track.