Cost to Run a Box Fan 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 box fan here costs $3.50 per month.
Per hour
1.4¢
at 50–100 W
Per day
$0.12
8 hours/day
Per month
$3.50
18 kWh
Per year
$42.05
219 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 5.8¢ | $1.75 | $21.02 |
| Typical (8 hrs/day) | $0.12 | $3.50 | $42.05 |
| Heavy (16 hrs/day) | $0.23 | $7.00 | $84.10 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a box fan in Illinois?
At Illinois's current average residential rate of 19.2¢/kWh (July 2026), a box fan with typical usage costs about $0.12 per day, $3.50 per month, or $42.05 per year.
Is running a box fan in Illinois more expensive than average?
Yes. Illinois's electricity costs about 5% more than the U.S. average, so the same usage costs $3.50 per month here versus $3.34 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.