Cost to Run a Ductless Mini-Split in Hawaii
Hawaii's average residential electricity rate is 52¢/kWh as of May 2026 — the 51st cheapest in the country, 183% above the U.S. average. At typical usage (8 hours/day), a ductless mini-split here costs $101 per month.
Per hour
$0.42
at 400–2,000 W
Per day
$3.33
8 hours/day
Per month
$101
195 kWh
Per year
$1,215
2,336 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.66 | $50.59 | $607 |
| Typical (8 hrs/day) | $3.33 | $101 | $1,215 |
| Heavy (16 hrs/day) | $6.66 | $202 | $2,429 |
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 52¢/kWh (May 2026), a ductless mini-split with typical usage costs about $3.33 per day, $101 per month, or $1,215 per year.
Is running a ductless mini-split in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $101 per month here versus $35.80 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 52¢ per kWh as of May 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.