Cost to Run a Box Fan in Hawaii
Hawaii's average residential electricity rate is 52¢/kWh as of May 2026 — the 51st cheapest in the country, 183% above the U.S. average. At typical usage (8 hours/day), a box fan here costs $9.48 per month.
Per hour
3.9¢
at 50–100 W
Per day
$0.31
8 hours/day
Per month
$9.48
18 kWh
Per year
$114
219 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.16 | $4.74 | $56.94 |
| Typical (8 hrs/day) | $0.31 | $9.48 | $114 |
| Heavy (16 hrs/day) | $0.62 | $18.97 | $228 |
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 52¢/kWh (May 2026), a box fan with typical usage costs about $0.31 per day, $9.48 per month, or $114 per year.
Is running a box fan in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $9.48 per month here versus $3.36 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 52¢ per kWh as of May 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.