Cost to Run a CPAP Machine in Illinois
Illinois's average residential electricity rate is 23.9¢/kWh as of May 2026 — the 40th cheapest in the country, 30% above the U.S. average. At typical usage (8 hours/day), a cpap machine here costs $2.32 per month.
Per hour
1.0¢
at 30–90 W
Per day
7.6¢
8 hours/day
Per month
$2.32
9.7 kWh
Per year
$27.92
117 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 3.8¢ | $1.16 | $13.96 |
| Typical (8 hrs/day) | 7.6¢ | $2.32 | $27.92 |
| Heavy (16 hrs/day) | $0.15 | $4.65 | $55.83 |
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 23.9¢/kWh (May 2026), a cpap machine with typical usage costs about 7.6¢ per day, $2.32 per month, or $27.92 per year.
Is running a cpap machine in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $2.32 per month here versus $1.79 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 23.9¢ per kWh as of May 2026 — the 40th cheapest rate of the 51 U.S. jurisdictions we track.