Cost to Run a Dehumidifier 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 (10 hours/day), a dehumidifier here costs $29.18 per month.
Per hour
$0.10
at 300–700 W
Per day
$0.96
10 hours/day
Per month
$29.18
152 kWh
Per year
$350
1,825 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.48 | $14.59 | $175 |
| Typical (10 hrs/day) | $0.96 | $29.18 | $350 |
| Heavy (20 hrs/day) | $1.92 | $58.37 | $701 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Illinois?
At Illinois's current average residential rate of 19.2¢/kWh (July 2026), a dehumidifier with typical usage costs about $0.96 per day, $29.18 per month, or $350 per year.
Is running a dehumidifier in Illinois more expensive than average?
Yes. Illinois's electricity costs about 5% more than the U.S. average, so the same usage costs $29.18 per month here versus $27.82 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.