Cost to Run a Laptop 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 (6 hours/day), a laptop here costs $2.62 per month.
Per hour
1.4¢
at 30–100 W
Per day
8.6¢
6 hours/day
Per month
$2.62
11 kWh
Per year
$31.40
131 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 4.3¢ | $1.31 | $15.70 |
| Typical (6 hrs/day) | 8.6¢ | $2.62 | $31.40 |
| Heavy (12 hrs/day) | $0.17 | $5.23 | $62.81 |
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 23.9¢/kWh (May 2026), a laptop with typical usage costs about 8.6¢ per day, $2.62 per month, or $31.40 per year.
Is running a laptop in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $2.62 per month here versus $2.01 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.