Cost to Run a Computer Monitor 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 (8 hours/day), a computer monitor here costs $1.55 per month.
Per hour
0.6¢
at 20–60 W
Per day
5.1¢
8 hours/day
Per month
$1.55
7.5 kWh
Per year
$18.56
91 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.5¢ | $0.77 | $9.28 |
| Typical (8 hrs/day) | 5.1¢ | $1.55 | $18.56 |
| Heavy (16 hrs/day) | $0.10 | $3.09 | $37.11 |
Illinois vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a computer monitor in Illinois?
At Illinois's current average residential rate of 20.5¢/kWh (April 2026), a computer monitor with typical usage costs about 5.1¢ per day, $1.55 per month, or $18.56 per year.
Is running a computer monitor in Illinois more expensive than average?
Yes. Illinois's electricity costs about 9% more than the U.S. average, so the same usage costs $1.55 per month here versus $1.42 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.