Cost to Run a Central Air Conditioner in Washington, D.C.
Washington, D.C.'s average residential electricity rate is 25.2¢/kWh as of July 2026 — the 42nd cheapest in the country, 38% above the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $215 per month.
Per hour
$0.88
at 2,000–5,000 W
Per day
$7.06
8 hours/day
Per month
$215
851 kWh
Per year
$2,575
10,220 kWh
By usage level in Washington, D.C.
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $3.53 | $107 | $1,288 |
| Typical (8 hrs/day) | $7.06 | $215 | $2,575 |
| Heavy (16 hrs/day) | $14.11 | $429 | $5,151 |
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 central air conditioner in Washington, D.C.?
At Washington, D.C.'s current average residential rate of 25.2¢/kWh (July 2026), a central air conditioner with typical usage costs about $7.06 per day, $215 per month, or $2,575 per year.
Is running a central air conditioner in Washington, D.C. more expensive than average?
Yes. Washington, D.C.'s electricity costs about 38% more than the U.S. average, so the same usage costs $215 per month here versus $156 nationally.
What does electricity cost in Washington, D.C. right now?
Washington, D.C. residents pay an average of 25.2¢ per kWh as of July 2026 — the 42nd cheapest rate of the 51 U.S. jurisdictions we track.