Cost to Run a Portable Air Conditioner in Delaware
Delaware's average residential electricity rate is 19.4¢/kWh as of May 2026 — the 33rd cheapest in the country, 5% above the U.S. average. At typical usage (8 hours/day), a portable air conditioner here costs $47.18 per month.
Per hour
$0.19
at 700–1,500 W
Per day
$1.55
8 hours/day
Per month
$47.18
243 kWh
Per year
$566
2,920 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.78 | $23.59 | $283 |
| Typical (8 hrs/day) | $1.55 | $47.18 | $566 |
| Heavy (16 hrs/day) | $3.10 | $94.36 | $1,133 |
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 19.4¢/kWh (May 2026), a portable air conditioner with typical usage costs about $1.55 per day, $47.18 per month, or $566 per year.
Is running a portable air conditioner in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $47.18 per month here versus $44.75 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 19.4¢ per kWh as of May 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.