Cost to Run a Computer Monitor in California
California's average residential electricity rate is 33.3¢/kWh as of May 2026 — the 50th cheapest in the country, 81% above the U.S. average. At typical usage (8 hours/day), a computer monitor here costs $2.51 per month.
Per hour
1.0¢
at 20–60 W
Per day
8.3¢
8 hours/day
Per month
$2.51
7.5 kWh
Per year
$30.14
91 kWh
By usage level in California
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 4.1¢ | $1.26 | $15.07 |
| Typical (8 hrs/day) | 8.3¢ | $2.51 | $30.14 |
| Heavy (16 hrs/day) | $0.17 | $5.02 | $60.29 |
California 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 California?
At California's current average residential rate of 33.3¢/kWh (May 2026), a computer monitor with typical usage costs about 8.3¢ per day, $2.51 per month, or $30.14 per year.
Is running a computer monitor in California more expensive than average?
Yes. California's electricity costs about 81% more than the U.S. average, so the same usage costs $2.51 per month here versus $1.39 nationally.
What does electricity cost in California right now?
California residents pay an average of 33.3¢ per kWh as of May 2026 — the 50th cheapest rate of the 51 U.S. jurisdictions we track.