Cost to Run a Heat Pump 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 heat pump here costs $379 per month.
Per hour
$1.56
at 1,000–5,000 W
Per day
$12.48
8 hours/day
Per month
$379
730 kWh
Per year
$4,555
8,760 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $6.24 | $190 | $2,278 |
| Typical (8 hrs/day) | $12.48 | $379 | $4,555 |
| Heavy (16 hrs/day) | $24.96 | $759 | $9,110 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump in Hawaii?
At Hawaii's current average residential rate of 52¢/kWh (May 2026), a heat pump with typical usage costs about $12.48 per day, $379 per month, or $4,555 per year.
Is running a heat pump in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $379 per month here versus $134 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.