Cost to Run a Laptop 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 laptop here costs $2.24 per month.
Per hour
1.2¢
at 30–100 W
Per day
7.4¢
6 hours/day
Per month
$2.24
11 kWh
Per year
$26.94
131 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 3.7¢ | $1.12 | $13.47 |
| Typical (6 hrs/day) | 7.4¢ | $2.24 | $26.94 |
| Heavy (12 hrs/day) | $0.15 | $4.49 | $53.87 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a laptop in Illinois?
At Illinois's current average residential rate of 20.5¢/kWh (April 2026), a laptop with typical usage costs about 7.4¢ per day, $2.24 per month, or $26.94 per year.
Is running a laptop in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $2.24 per month here versus $2.06 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.