48.00¢ per kWh in Hawaii (July 2026)
That is $0.48 for each kilowatt-hour (kWh), the unit on your electric bill (100¢ = $1). Average residential price reported by the U.S. Energy Information Administration; recent months are preliminary.
- 162% above the U.S. average of 18.31¢.
- Ranks 1 of 51 (1 = most expensive), counting the 50 states and D.C.
- +22.0% compared with July 2025 (39.36¢).
What it costs to run a device in Hawaii
Find the wattage on the device's label or in its manual, then read across. Cost = watts ÷ 1,000 × hours × price per kWh.
| Wattage | Per hour | 8 h/day, 30 days |
|---|---|---|
| 10 W | $0.005 | $1.15 |
| 60 W | $0.029 | $6.91 |
| 100 W | $0.048 | $11.52 |
| 500 W | $0.24 | $57.60 |
| 1,000 W | $0.48 | $115.20 |
| 1,500 W | $0.72 | $172.80 |
| 5,000 W | $2.40 | $576.00 |
Monthly use at this average price
| Monthly use | Cost |
|---|---|
| 500 kWh | $240.00 |
| 750 kWh | $360.00 |
| 1,000 kWh | $480.00 |
| 1,500 kWh | $720.00 |
Your bill depends on your utility's rate plan, fixed monthly charges, time-of-use pricing and taxes. The average price is total residential revenue divided by electricity sold, so it is a guide, not your exact rate. Check your bill for your price per kWh.
Calculate a specific appliance
Sources and method
- Electric Power Monthly, Table 5.6.A: Average Price of Electricity to Ultimate Customers by End-Use Sector, by State, U.S. Energy Information Administration (EIA)
Residential sector, cents per kilowatthour. Recent months are preliminary EIA estimates and may be revised.
Data last checked: October 4, 2026.
