Cost to Run a Portable 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 portable air conditioner here costs $45.72 per month.
Per hour
$0.19
at 700–1,500 W
Per day
$1.50
8 hours/day
Per month
$45.72
243 kWh
Per year
$549
2,920 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.75 | $22.86 | $274 |
| Typical (8 hrs/day) | $1.50 | $45.72 | $549 |
| Heavy (16 hrs/day) | $3.01 | $91.44 | $1,098 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a portable air conditioner in Delaware?
At Delaware's current average residential rate of 18.8¢/kWh (April 2026), a portable air conditioner with typical usage costs about $1.50 per day, $45.72 per month, or $549 per year.
Is running a portable air conditioner in Delaware more expensive than average?
It's almost exactly the U.S. average: $45.72 per month here versus $45.72 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.