Cost to Run a Box Fan 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 box fan here costs $8.76 per month.
Per hour
3.6¢
at 50–100 W
Per day
$0.29
8 hours/day
Per month
$8.76
18 kWh
Per year
$105
219 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $0.14 | $4.38 | $52.56 |
| Typical (8 hrs/day) | $0.29 | $8.76 | $105 |
| Heavy (16 hrs/day) | $0.58 | $17.51 | $210 |
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 48¢/kWh (July 2026), a box fan with typical usage costs about $0.29 per day, $8.76 per month, or $105 per year.
Is running a box fan in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $8.76 per month here versus $3.34 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.