Cost to Run a Electric Furnace in Illinois
Illinois's average residential electricity rate is 20.5¢/kWh as of April 2026 — the 36th cheapest in the country, 9% above the U.S. average. At typical usage (5 hours/day), a electric furnace here costs $374 per month.
Per hour
$2.46
at 10,000–20,000 W
Per day
$12.30
5 hours/day
Per month
$374
1,824 kWh
Per year
$4,490
21,900 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $6.15 | $187 | $2,245 |
| Typical (5 hrs/day) | $12.30 | $374 | $4,490 |
| Heavy (10 hrs/day) | $24.60 | $748 | $8,979 |
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 20.5¢/kWh (April 2026), a electric furnace with typical usage costs about $12.30 per day, $374 per month, or $4,490 per year.
Is running a electric furnace in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $374 per month here versus $343 nationally.
What does electricity cost in Illinois right now?
Illinois residents pay an average of 20.5¢ per kWh as of April 2026 — the 36th cheapest rate of the 51 U.S. jurisdictions we track.