Billowatt

Cost to Run a Pool Heater (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 (4 hours/day), a pool heater (heat pump) here costs $292 per month.

Per hour

$2.40

at 4,000–11,000 W

Per day

$9.60

4 hours/day

Per month

$292

608 kWh

Per year

$3,504

7,300 kWh

By usage level in Hawaii

Usage Per day Per month Per year
Light (2 hrs/day) $4.80 $146 $1,752
Typical (4 hrs/day) $9.60 $292 $3,504
Heavy (8 hrs/day) $19.20 $584 $7,008

Hawaii vs. the rest of the country

Monthly cost at typical usage.

Hawaii $292
West average $121
U.S. average $111

Frequently asked questions

How much does it cost to run a pool heater (heat pump) in Hawaii?

At Hawaii's current average residential rate of 48¢/kWh (July 2026), a pool heater (heat pump) with typical usage costs about $9.60 per day, $292 per month, or $3,504 per year.

Is running a pool heater (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 $292 per month here versus $111 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.

Pool Heater (Heat Pump) costs in nearby states

What else costs to run in Hawaii

See the full Hawaii electricity cost guide →