Cost & Savings Breakdown
Based on $150/month electric bill in Honolulu
System Size
3.3 kW
Annual Production
5,725 kWh
Gross System Cost
$13,293
Federal Tax Credit (30%)
-$3,988
State Incentive
-$5,000
Net Cost
$4,305
Monthly Savings
$122
CO₂ Offset/yr
5,267 lbs
25-Year Savings Projection
Utility & Net Metering
Local UtilityHawaiian Electric
Net Metering PolicyAvoided Cost
Compensation RateAvoided cost rate
Capacity Limit100% of consumption
Electricity Rate$0.255/kWh
Peak Sun Hours5.9 hrs/day
Available Incentives
30%
Federal ITC — Deduct 30% of your system cost from federal taxes. Available through 2032.
$5,000
Hawaii State Incentive — Hawaii offers a 35% state tax credit up to $5,000.
Common Questions
How much does solar cost in Honolulu?
Solar in Honolulu, Hawaii costs approximately $13,293 for a 3.3 kW system. After the 30% federal tax credit, your net cost is about $4,305.
What is the solar payback period in Honolulu?
The estimated payback period for solar in Honolulu is 2.9 years, based on a $150/month electric bill and local sun hours of 5.9 hrs/day.
Does Hawaiian Electric offer net metering?
Hawaiian Electric offers Avoided Cost net metering. Avoided cost rate.