Cost to Run a Central Air Conditioner in Delaware
Delaware's average residential electricity rate is 18.8¢/kWh as of April 2026 — the 33rd cheapest in the country, 0% above the U.S. average. At typical usage (8 hours/day), a central air conditioner here costs $160 per month.
Per hour
$0.66
at 2,000–5,000 W
Per day
$5.26
8 hours/day
Per month
$160
851 kWh
Per year
$1,921
10,220 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.63 | $80.01 | $961 |
| Typical (8 hrs/day) | $5.26 | $160 | $1,921 |
| Heavy (16 hrs/day) | $10.53 | $320 | $3,843 |
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 18.8¢/kWh (April 2026), a central air conditioner with typical usage costs about $5.26 per day, $160 per month, or $1,921 per year.
Is running a central air conditioner in Delaware more expensive than average?
It's almost exactly the U.S. average: $160 per month here versus $160 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.8¢ per kWh as of April 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.