Cost to Run a Ductless Mini-Split in Hawaii
Hawaii's average residential electricity rate is 46.6¢/kWh as of April 2026 — the 51st cheapest in the country, 148% above the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $90.66 per month.
Per hour
$0.37
at 400–2,000 W
Per day
$2.98
8 hours/day
Per month
$90.66
195 kWh
Per year
$1,089
2,336 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.49 | $45.33 | $544 |
| Typical (8 hrs/day) | $2.98 | $90.66 | $1,089 |
| Heavy (16 hrs/day) | $5.96 | $181 | $2,177 |
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 46.6¢/kWh (April 2026), a ductless mini-split with typical usage costs about $2.98 per day, $90.66 per month, or $1,089 per year.
Is running a ductless mini-split in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 148% more than the U.S. average, so the same usage costs $90.66 per month here versus $36.58 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 46.6¢ per kWh as of April 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.