Cost to Run Water Heater (Electric) in Hawaii (2026)
At Hawaii's average rate of 43.18¢/kWh, running a Water Heater (Electric) costs $174.88/month or $2,127.69/year. That's 150.8% more than the national average of $69.74/month.
Monthly Cost
$174.88
in Hawaii
Yearly Cost
$2,127.69
in Hawaii
State Rate
43.18¢
per kWh
National Rank
#50
of 50 states
Water Heater (Electric) Energy Usage
| Wattage | 4,500 watts |
| Typical Daily Use | 3 hours/day |
| Daily kWh | 13.50 kWh |
| Monthly kWh | 405.0 kWh |
| Category | Heating |
Hawaii vs National Average: Water Heater (Electric) Costs
| Metric | Hawaii | National Avg | Difference |
|---|---|---|---|
| Electricity Rate | 43.18¢/kWh | 17.22¢/kWh | +25.96¢ |
| Monthly Water Heater (Electric) Cost | $174.88 | $69.74 | +$105.14 |
| Yearly Water Heater (Electric) Cost | $2,127.69 | $848.52 | +$1,279.18 |
Water Heater (Electric) Cost: All 50 States Ranked
Hawaii ranks #50 out of 50 for Water Heater (Electric) running costs (1 = cheapest).
| # | State | Rate | Monthly | Yearly |
|---|---|---|---|---|
| 1 | Idaho | 11.15¢ | $45.16 | $549.42 |
| 2 | Washington | 11.26¢ | $45.60 | $554.84 |
| 3 | Utah | 11.41¢ | $46.21 | $562.23 |
| 4 | Wyoming | 11.72¢ | $47.47 | $577.50 |
| 5 | North Dakota | 12.43¢ | $50.34 | $612.49 |
| 6 | Louisiana | 12.52¢ | $50.71 | $616.92 |
| 7 | Oregon | 12.55¢ | $50.83 | $618.40 |
| 8 | Montana | 12.81¢ | $51.88 | $631.21 |
| 9 | Oklahoma | 12.82¢ | $51.92 | $631.71 |
| 10 | Tennessee | 12.91¢ | $52.29 | $636.14 |
| 11 | Arkansas | 13.04¢ | $52.81 | $642.55 |
| 12 | Nebraska | 13.08¢ | $52.97 | $644.52 |
| 13 | Kentucky | 13.19¢ | $53.42 | $649.94 |
| 14 | West Virginia | 13.44¢ | $54.43 | $662.26 |
| 15 | Mississippi | 13.54¢ | $54.84 | $667.18 |
| 16 | South Dakota | 13.74¢ | $55.65 | $677.04 |
| 17 | Missouri | 13.78¢ | $55.81 | $679.01 |
| 18 | North Carolina | 14.09¢ | $57.06 | $694.28 |
| 19 | Georgia | 14.27¢ | $57.79 | $703.15 |
| 20 | South Carolina | 14.43¢ | $58.44 | $711.04 |
| 21 | Virginia | 14.64¢ | $59.29 | $721.39 |
| 22 | Arizona | 14.78¢ | $59.86 | $728.28 |
| 23 | Alabama | 14.87¢ | $60.22 | $732.72 |
| 24 | Nevada | 14.92¢ | $60.43 | $735.18 |
| 25 | Delaware | 14.94¢ | $60.51 | $736.17 |
| 26 | Texas | 15.06¢ | $60.99 | $742.08 |
| 27 | Iowa | 15.14¢ | $61.32 | $746.02 |
| 28 | Ohio | 15.21¢ | $61.60 | $749.47 |
| 29 | Kansas | 15.28¢ | $61.88 | $752.92 |
| 30 | New Mexico | 15.34¢ | $62.13 | $755.88 |
| 31 | Indiana | 15.42¢ | $62.45 | $759.82 |
| 32 | Colorado | 15.56¢ | $63.02 | $766.72 |
| 33 | Minnesota | 15.63¢ | $63.30 | $770.17 |
| 34 | Florida | 16.22¢ | $65.69 | $799.24 |
| 35 | Illinois | 16.27¢ | $65.89 | $801.70 |
| 36 | Maryland | 16.57¢ | $67.11 | $816.49 |
| 37 | Wisconsin | 17.38¢ | $70.39 | $856.40 |
| 38 | Pennsylvania | 18.36¢ | $74.36 | $904.69 |
| 39 | New Jersey | 18.48¢ | $74.84 | $910.60 |
| 40 | Michigan | 19.34¢ | $78.33 | $952.98 |
| 41 | Vermont | 21.43¢ | $86.79 | $1,055.96 |
| 42 | Alaska | 24.21¢ | $98.05 | $1,192.95 |
| 43 | New York | 24.33¢ | $98.54 | $1,198.86 |
| 44 | New Hampshire | 25.78¢ | $104.41 | $1,270.31 |
| 45 | Maine | 26.37¢ | $106.80 | $1,299.38 |
| 46 | Rhode Island | 28.08¢ | $113.72 | $1,383.64 |
| 47 | Massachusetts | 28.58¢ | $115.75 | $1,408.28 |
| 48 | Connecticut | 29.98¢ | $121.42 | $1,477.26 |
| 49 | California | 31.22¢ | $126.44 | $1,538.37 |
| 50 | Hawaii | 43.18¢ | $174.88 | $2,127.69 |
Save Money on Water Heater (Electric) in Hawaii
- Lower your thermostat by 7-10F for 8 hours a day to save up to 10% on Water Heater (Electric) heating costs.
- Use a smart thermostat to optimize Water Heater (Electric) usage based on your schedule in Hawaii.
- Improve home insulation in attics, walls, and floors to retain heat better.
- Use zone heating to warm only occupied rooms instead of your entire home.
- Look for Energy Star certified Water Heater (Electric) models that use 10-50% less energy than standard models.
- Consider installing solar panels in Hawaii to offset your Water Heater (Electric) electricity costs.
- Check if your Hawaii utility offers time-of-use rates and run your Water Heater (Electric) during off-peak hours.
- Ensure proper maintenance of your Water Heater (Electric) to keep it running at peak efficiency.
Related Pages
More about Hawaii
More about Water Heater (Electric)
Frequently Asked Questions
How much does it cost to run a Water Heater (Electric) in Hawaii?
Running a Water Heater (Electric) in Hawaii costs approximately $174.88 per month or $2,127.69 per year, based on the state's average residential rate of 43.18¢/kWh and typical usage of 3 hours per day.
Is running a Water Heater (Electric) expensive in Hawaii compared to other states?
Hawaii ranks #50 out of 50 states for Water Heater (Electric) running costs (1 = cheapest). It's 150.8% more expensive than the national average. The cheapest state is Idaho at $45.16/month, and the most expensive is Hawaii at $174.88/month.
How much electricity does a Water Heater (Electric) use per month?
A typical Water Heater (Electric) uses 4500 watts and runs about 3 hours per day, consuming approximately 13.50 kWh daily or 405.0 kWh per month.
How can I reduce Water Heater (Electric) electricity costs in Hawaii?
You can reduce costs by using an Energy Star rated Water Heater (Electric), running it during off-peak hours if your utility offers time-of-use rates, ensuring proper maintenance, and considering solar panels to offset electricity costs in Hawaii.
What is the electricity rate in Hawaii?
The average residential electricity rate in Hawaii is 43.18¢ per kWh. The primary energy source is Solar, with 18.0% from renewable sources.
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Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)