Cost to Run a Heat Pump 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 heat pump here costs $340 per month.
Per hour
$1.40
at 1,000–5,000 W
Per day
$11.18
8 hours/day
Per month
$340
730 kWh
Per year
$4,082
8,760 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $5.59 | $170 | $2,041 |
| Typical (8 hrs/day) | $11.18 | $340 | $4,082 |
| Heavy (16 hrs/day) | $22.37 | $680 | $8,164 |
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 46.6¢/kWh (April 2026), a heat pump with typical usage costs about $11.18 per day, $340 per month, or $4,082 per year.
Is running a heat pump in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 148% more than the U.S. average, so the same usage costs $340 per month here versus $137 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.