Cost to Run a Garage Heater 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 (3 hours/day), a garage heater here costs $87.55 per month.
Per hour
$0.96
at 2,400–7,500 W
Per day
$2.88
3 hours/day
Per month
$87.55
456 kWh
Per year
$1,051
5,475 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (1.5 hrs/day) | $1.44 | $43.78 | $526 |
| Typical (3 hrs/day) | $2.88 | $87.55 | $1,051 |
| Heavy (6 hrs/day) | $5.76 | $175 | $2,102 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a garage heater in Illinois?
At Illinois's current average residential rate of 19.2¢/kWh (July 2026), a garage heater with typical usage costs about $2.88 per day, $87.55 per month, or $1,051 per year.
Is running a garage heater in Illinois more expensive than average?
Yes. Illinois's electricity costs about 5% more than the U.S. average, so the same usage costs $87.55 per month here versus $83.45 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.