Cost to Run a Ductless Mini-Split in Hawaii
Hawaii's average residential electricity rate is 48¢/kWh as of July 2026 — the 51st cheapest in the country, 162% above the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $93.39 per month.
Per hour
$0.38
at 400–2,000 W
Per day
$3.07
8 hours/day
Per month
$93.39
195 kWh
Per year
$1,121
2,336 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.54 | $46.69 | $561 |
| Typical (8 hrs/day) | $3.07 | $93.39 | $1,121 |
| Heavy (16 hrs/day) | $6.14 | $187 | $2,243 |
Hawaii 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 Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a ductless mini-split with typical usage costs about $3.07 per day, $93.39 per month, or $1,121 per year.
Is running a ductless mini-split in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $93.39 per month here versus $35.60 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 48¢ per kWh as of July 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.