Cost to Run a Ductless Mini-Split 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 ductless mini-split here costs $37.74 per month.
Per hour
$0.16
at 400–2,000 W
Per day
$1.24
8 hours/day
Per month
$37.74
195 kWh
Per year
$453
2,336 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.62 | $18.87 | $227 |
| Typical (8 hrs/day) | $1.24 | $37.74 | $453 |
| Heavy (16 hrs/day) | $2.48 | $75.49 | $906 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a ductless mini-split in Delaware?
At Delaware's current average residential rate of 19.4¢/kWh (May 2026), a ductless mini-split with typical usage costs about $1.24 per day, $37.74 per month, or $453 per year.
Is running a ductless mini-split in Delaware more expensive than average?
Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $37.74 per month here versus $35.80 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.