Cost to Run a Desktop Computer in Maine
Maine's average residential electricity rate is 28.6¢/kWh as of May 2026 — the 46th cheapest in the country, 55% above the U.S. average. At typical usage (6 hours/day), a desktop computer here costs $10.75 per month.
Per hour
5.7¢
at 100–400 W
Per day
$0.35
6 hours/day
Per month
$10.75
38 kWh
Per year
$129
451 kWh
By usage level in Maine
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.18 | $5.37 | $64.51 |
| Typical (6 hrs/day) | $0.35 | $10.75 | $129 |
| Heavy (12 hrs/day) | $0.71 | $21.49 | $258 |
Maine 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 Maine?
At Maine's current average residential rate of 28.6¢/kWh (May 2026), a desktop computer with typical usage costs about $0.35 per day, $10.75 per month, or $129 per year.
Is running a desktop computer in Maine more expensive than average?
Yes. Maine's electricity costs about 55% more than the U.S. average, so the same usage costs $10.75 per month here versus $6.91 nationally.
What does electricity cost in Maine right now?
Maine residents pay an average of 28.6¢ per kWh as of May 2026 — the 46th cheapest rate of the 51 U.S. jurisdictions we track.