Cost to Run a Desktop Computer in Maryland
Maryland's average residential electricity rate is 22.1¢/kWh as of April 2026 — the 39th cheapest in the country, 18% above the U.S. average. At typical usage (6 hours/day), a desktop computer here costs $8.30 per month.
Per hour
4.4¢
at 100–400 W
Per day
$0.27
6 hours/day
Per month
$8.30
38 kWh
Per year
$99.70
451 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.14 | $4.15 | $49.85 |
| Typical (6 hrs/day) | $0.27 | $8.30 | $99.70 |
| Heavy (12 hrs/day) | $0.55 | $16.61 | $199 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a desktop computer in Maryland?
At Maryland's current average residential rate of 22.1¢/kWh (April 2026), a desktop computer with typical usage costs about $0.27 per day, $8.30 per month, or $99.70 per year.
Is running a desktop computer in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $8.30 per month here versus $7.06 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 22.1¢ per kWh as of April 2026 — the 39th cheapest rate of the 51 U.S. jurisdictions we track.