Cost to Run a Portable 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 portable air conditioner here costs $44.99 per month.
Per hour
$0.18
at 700–1,500 W
Per day
$1.48
8 hours/day
Per month
$44.99
243 kWh
Per year
$540
2,920 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.74 | $22.50 | $270 |
| Typical (8 hrs/day) | $1.48 | $44.99 | $540 |
| Heavy (16 hrs/day) | $2.96 | $89.98 | $1,080 |
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 18.5¢/kWh (July 2026), a portable air conditioner with typical usage costs about $1.48 per day, $44.99 per month, or $540 per year.
Is running a portable air conditioner in Delaware more expensive than average?
It's almost exactly the U.S. average: $44.99 per month here versus $44.51 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.