Cost to Run a Heat Pump 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 heat pump here costs $350 per month.
Per hour
$1.44
at 1,000–5,000 W
Per day
$11.52
8 hours/day
Per month
$350
730 kWh
Per year
$4,205
8,760 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $5.76 | $175 | $2,102 |
| Typical (8 hrs/day) | $11.52 | $350 | $4,205 |
| Heavy (16 hrs/day) | $23.04 | $700 | $8,410 |
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 48¢/kWh (July 2026), a heat pump with typical usage costs about $11.52 per day, $350 per month, or $4,205 per year.
Is running a heat pump in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $350 per month here versus $134 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.