Cost to Run a Electric Furnace 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 (5 hours/day), a electric furnace here costs $436 per month.
Per hour
$2.87
at 10,000–20,000 W
Per day
$14.34
5 hours/day
Per month
$436
1,824 kWh
Per year
$5,234
21,900 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $7.17 | $218 | $2,617 |
| Typical (5 hrs/day) | $14.34 | $436 | $5,234 |
| Heavy (10 hrs/day) | $28.68 | $872 | $10,468 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric furnace in Illinois?
At Illinois's current average residential rate of 23.9¢/kWh (May 2026), a electric furnace with typical usage costs about $14.34 per day, $436 per month, or $5,234 per year.
Is running a electric furnace in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $436 per month here versus $336 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.