Solar in Honolulu, HI
Everything you need to know about going solar in Honolulu — local sun hours, electric rates, installation costs, and available programs.
5.9 hrs/day
Peak Sun Hours
43¢/kWh
Avg Electric Rate
$3.00/W
Solar Cost/Watt
Hawaiian Electric
Top Utility
Sample 8 kW System
$16,800
After 30% ITC
($24,000 before)
$7,408/yr
Est. Annual Savings
17,228 kWh/yr
2.3 yrs
Est. Payback
Estimates based on local averages for an 8 kW system. Actual results depend on roof, shading, utility plan, and consumption.
Local Programs
Net MeteringLimited/No
Community SolarAvailable
Highest US electricity rates by far. Net metering replaced with Customer Grid Supply/Self-Supply programs.