What Solar Actually Costs in Kapolei
The 4,490 permit records filed for Kapolei give us a reliable baseline. The middle 50% of installations land between $16,000 and $32,114, with a median of $23,760. Outliers above $32,114 usually involve battery storage or larger commercial-adjacent systems.
25th pct $23,760
median $32,114
75th pct
After the Hawaii RETITC state tax credit (35%, up to $5,000 per 5 kW block) and the federal 30% ITC, a median-priced Kapolei system nets out significantly lower. Use the BrightNeighbors calculator to model your exact credit amount.
Top Solar Installers in Kapolei
Permit volume is the clearest proxy for installer experience in a specific neighborhood. These are the contractors with the most completed installations in Kapolei:
| # | Installer | Permits in Kapolei | |
|---|---|---|---|
| 1 | Hawaii Energy Connection, | 554 | View permits → |
| 2 | Alternate Energy, Inc. | 372 | View permits → |
| 3 | Revolusun | 366 | View permits → |
| 4 | VIVINT SOLAR | 296 | View permits → |
| 5 | SUNRUN INSTALLATION SVS | 258 | View permits → |
Permit count tells you who's done the work. Price, closure time, and financing options tell you who to hire. See the full comparison on the BrightNeighbors Leaderboard.
Is Solar Worth It in Kapolei?
Hawaii has the highest residential electricity rates in the US — roughly $0.42/kWh on HECO. A typical Kapolei system sized for an average home (7–8 kW) offsets 80–100% of usage and pays back in 7–10 years before tax credits, less than 6 years after.
- Hawaii RETITC: 35% state tax credit, up to $5,000 per 5 kW block (refundable election available)
- Federal ITC: 30% of total system cost, claimed in the tax year of installation
- HECO net metering (CGS+/Smart Export): Export credits offset your next bill at published rates
- Property tax exemption: Solar installations exempt from Hawaii property tax assessment
How to Get a Quote in Kapolei
- Check the Leaderboard: Filter by Kapolei to see installers active in your area with their pricing benchmarks.
- Build a shortlist: Add 3–5 installers to compare. Request quotes from your shortlist directly through BrightNeighbors.
- Analyze your quotes: Upload any quote you receive to get an instant price analysis against Kapolei permit benchmarks — before you sign.
See what installers charged in Kapolei
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How does Kapolei compare to the rest of Oahu? Each neighborhood has its own pricing dynamics based on installer competition, roof types, and local demand.