Cost to Run a Reptile Heat Lamp / Terrarium 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 (12 hours/day), a reptile heat lamp / terrarium here costs $17.51 per month.
Per hour
4.8¢
at 50–250 W
Per day
$0.58
12 hours/day
Per month
$17.51
36 kWh
Per year
$210
438 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (6 hrs/day) | $0.29 | $8.76 | $105 |
| Typical (12 hrs/day) | $0.58 | $17.51 | $210 |
| Heavy (24 hrs/day) | $1.15 | $35.02 | $420 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a reptile heat lamp / terrarium in Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a reptile heat lamp / terrarium with typical usage costs about $0.58 per day, $17.51 per month, or $210 per year.
Is running a reptile heat lamp / terrarium in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $17.51 per month here versus $6.68 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.