Cost to Run a Computer Monitor 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 (8 hours/day), a computer monitor here costs $1.80 per month.
Per hour
0.7¢
at 20–60 W
Per day
5.9¢
8 hours/day
Per month
$1.80
7.5 kWh
Per year
$21.63
91 kWh
By usage level in Illinois
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 3.0¢ | $0.90 | $10.82 |
| Typical (8 hrs/day) | 5.9¢ | $1.80 | $21.63 |
| Heavy (16 hrs/day) | $0.12 | $3.60 | $43.27 |
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 23.9¢/kWh (May 2026), a computer monitor with typical usage costs about 5.9¢ per day, $1.80 per month, or $21.63 per year.
Is running a computer monitor in Illinois more expensive than average?
Yes. Illinois's electricity costs about 30% more than the U.S. average, so the same usage costs $1.80 per month here versus $1.39 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.