Cost to Run a Desktop Computer in Washington, D.C.
Washington, D.C.'s average residential electricity rate is 25.4¢/kWh as of April 2026 — the 42nd cheapest in the country, 35% above the U.S. average. At typical usage (6 hours/day), a desktop computer here costs $9.54 per month.
Per hour
5.1¢
at 100–400 W
Per day
$0.31
6 hours/day
Per month
$9.54
38 kWh
Per year
$115
451 kWh
By usage level in Washington, D.C.
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | $0.16 | $4.77 | $57.29 |
| Typical (6 hrs/day) | $0.31 | $9.54 | $115 |
| Heavy (12 hrs/day) | $0.63 | $19.09 | $229 |
Washington, D.C. 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 Washington, D.C.?
At Washington, D.C.'s current average residential rate of 25.4¢/kWh (April 2026), a desktop computer with typical usage costs about $0.31 per day, $9.54 per month, or $115 per year.
Is running a desktop computer in Washington, D.C. more expensive than average?
Yes. Washington, D.C.'s electricity costs about 35% more than the U.S. average, so the same usage costs $9.54 per month here versus $7.06 nationally.
What does electricity cost in Washington, D.C. right now?
Washington, D.C. residents pay an average of 25.4¢ per kWh as of April 2026 — the 42nd cheapest rate of the 51 U.S. jurisdictions we track.