Cost to Run a Box Fan 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 box fan here costs $8.50 per month.
Per hour
3.5¢
at 50–100 W
Per day
$0.28
8 hours/day
Per month
$8.50
18 kWh
Per year
$102
219 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.14 | $4.25 | $51.03 |
| Typical (8 hrs/day) | $0.28 | $8.50 | $102 |
| Heavy (16 hrs/day) | $0.56 | $17.00 | $204 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a box fan in Hawaii?
At Hawaii's current average residential rate of 46.6¢/kWh (April 2026), a box fan with typical usage costs about $0.28 per day, $8.50 per month, or $102 per year.
Is running a box fan in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 148% more than the U.S. average, so the same usage costs $8.50 per month here versus $3.43 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.