Solar Savings Calculator for Honolulu, HI
Homeowners in Honolulu pay an average of $305/month for electricity through Hawaiian Electric (HECO). With 5.5 peak sun hours per day, solar panels can significantly reduce your energy costs.
Calculate Your Savings in Honolulu
Adjust Your Details for Honolulu, HI
Your Estimated Solar Savings
* Estimates based on 5.5 peak sun hours/day in Honolulu, HI, system cost of $3.1/watt, 30% federal ITC, 35% state tax credit, 3% annual electricity inflation, and 0.5% annual panel degradation over 25 years. Actual results may vary.
Local Solar Details for Honolulu
Utility & Permits
- Utility Company
- Hawaiian Electric (HECO)
- Permit Cost
- $500
- Permit Timeline
- 4-8 weeks
- Net Metering
- partial
System Estimates
- Recommended Size
- 4.4 kW
- Panel Count
- 11 panels
- Gross Cost
- $13,640
- Net Cost (after credits)
- $4,774
Available Incentives for Honolulu, HI
Federal Solar Investment Tax Credit (ITC)
Reduces federal income tax liability by 30% of the total cost of a solar energy system, including equipment and installation.
Hawaii Solar Tax Credit
State income tax credit for solar installations, one of the most generous in the nation.
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