Cost to Run a Electric Wall Heater 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 (6 hours/day), a electric wall heater here costs $37.39 per month.
Per hour
$0.20
at 500–2,000 W
Per day
$1.23
6 hours/day
Per month
$37.39
182 kWh
Per year
$449
2,190 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.61 | $18.70 | $224 |
| Typical (6 hrs/day) | $1.23 | $37.39 | $449 |
| Heavy (12 hrs/day) | $2.46 | $74.78 | $898 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric wall heater in Illinois?
At Illinois's current average residential rate of 20.5¢/kWh (April 2026), a electric wall heater with typical usage costs about $1.23 per day, $37.39 per month, or $449 per year.
Is running a electric wall heater in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $37.39 per month here versus $34.29 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.