Cost to Run a Laptop in Maryland
Maryland's average residential electricity rate is 21.8¢/kWh as of May 2026 — the 37th cheapest in the country, 18% above the U.S. average. At typical usage (6 hours/day), a laptop here costs $2.39 per month.
Per hour
1.3¢
at 30–100 W
Per day
7.8¢
6 hours/day
Per month
$2.39
11 kWh
Per year
$28.65
131 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 3.9¢ | $1.19 | $14.32 |
| Typical (6 hrs/day) | 7.8¢ | $2.39 | $28.65 |
| Heavy (12 hrs/day) | $0.16 | $4.77 | $57.29 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a laptop in Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a laptop with typical usage costs about 7.8¢ per day, $2.39 per month, or $28.65 per year.
Is running a laptop in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $2.39 per month here versus $2.01 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.8¢ per kWh as of May 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.