Cost to Run a Incandescent Bulb 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 (5 hours/day), a incandescent bulb here costs $4.74 per month.
Per hour
3.1¢
at 40–100 W
Per day
$0.16
5 hours/day
Per month
$4.74
9.1 kWh
Per year
$56.94
110 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | 7.8¢ | $2.37 | $28.47 |
| Typical (5 hrs/day) | $0.16 | $4.74 | $56.94 |
| Heavy (10 hrs/day) | $0.31 | $9.48 | $114 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a incandescent bulb in Hawaii?
At Hawaii's current average residential rate of 52¢/kWh (May 2026), a incandescent bulb with typical usage costs about $0.16 per day, $4.74 per month, or $56.94 per year.
Is running a incandescent bulb in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 183% more than the U.S. average, so the same usage costs $4.74 per month here versus $1.68 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.