WattBuy’s Guide toElectricity in
Electricity in
Mililani
Hawaii
Hawaii
Here's the average monthly bill, usage, and carbon footprint of residents in Mililani
January
$325February
$310lowestMarch
$313April
$330May
$327June
$345July
$348August
$370highestSeptember
$357October
$363November
$356December
$340Carbon Emissions
1,337 lbs CO₂
Monthly Usage
834 kWh
Mililani's energy comes from Petroleum, Solar, Wind, and Hydroelectric. Petroleum is the largest source of electricity, providing 70% of Mililani's energy. Solar is the second largest source, making up 24%. Wind provides 6% of the energy in Mililani. Hydroelectric provides 1% of the energy in Mililani.
69%
Petroleum
24%
Solar
6%
Wind
1%
Hydroelectric
Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.
1,939 kWh
Energy generated by average sized system
$21,373
Average system cost
(after federal incentive)
3 years
Payback period
Net metering policies in Mililani can help solar panel owners save money and reduce their carbon footprint. When your solar panels generate more electricity than you use, you can send the excess back to the grid and receive credit on your next bill. Just something to keep in mind when considering solar panels.
Hawaiian Electric has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| RESIDENTIAL TIME-OF-USE SERVICE - Three Phase | TOU | 18¢ to 50¢ |
| RESIDENTIAL TIME-OF-USE SERVICE - Single Phase | TOU | 18¢ to 50¢ |
| RESIDENTIAL SERVICE - Single Phase | Fixed | 36¢ to 40¢ |
| RESIDENTIAL SERVICE - Three Phase | Fixed | 36¢ to 40¢ |
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