Cost to Run a Central Air Conditioner in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $157 per month.
Per hour
$0.65
at 2,000–5,000 W
Per day
$5.18
8 hours/day
Per month
$157
851 kWh
Per year
$1,891
10,220 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.59 | $78.74 | $945 |
| Typical (8 hrs/day) | $5.18 | $157 | $1,891 |
| Heavy (16 hrs/day) | $10.36 | $315 | $3,781 |
Delaware 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 Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a central air conditioner with typical usage costs about $5.18 per day, $157 per month, or $1,891 per year.
Is running a central air conditioner in Delaware more expensive than average?
It's almost exactly the U.S. average: $157 per month here versus $156 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.