How much does solar cost in Waipahu, Hawaii?

Based on 5,041 permit records, the median solar installation cost in Waipahu is $24,500 ($3.27/W). The middle 50% of installations fall between $16,000 and $34,000.

Who are the top solar installers in Waipahu?

Hawaii Energy Connection, leads Waipahu in permit volume, followed by VIVINT SOLAR and Alternate Energy, Inc.. See the full leaderboard at brightneighbors.com/leaderboard.

How do I get a solar quote in Waipahu?

Use BrightNeighbors to compare installers active in Waipahu, review their permit history and pricing, then request quotes from your shortlist. You can also upload your current quote for a free analysis against Waipahu benchmarks.

Solar Costs in Waipahu, Oahu — Real Permit Data

Q: Is solar worth it in Waipahu?

Waipahu homeowners benefit from Hawaii's high electricity rates (among the highest in the US at ~$0.42/kWh), the Hawaii RETITC state tax credit (35%, up to $5,000 per 5kW block), and the federal 30% ITC. A typical Waipahu system pays back in 7–9 years.

What Solar Actually Costs in Waipahu

The 5,041 permit records filed for Waipahu give us a reliable baseline. The middle 50% of installations land between $16,000 and $34,000, with a median of $24,500. Outliers above $34,000 usually involve battery storage or larger commercial-adjacent systems.

Price range — middle 50% of Waipahu installs

$16,000
25th pct $24,500
median $34,000
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 Waipahu system nets out significantly lower. Use the BrightNeighbors calculator to model your exact credit amount.

Top Solar Installers in Waipahu

Permit volume is the clearest proxy for installer experience in a specific neighborhood. These are the contractors with the most completed installations in Waipahu:

#	Installer	Permits in Waipahu
1	Hawaii Energy Connection,	628	View permits →
2	VIVINT SOLAR	538	View permits →
3	Alternate Energy, Inc.	506	View permits →
4	Revolusun	436	View permits →
5	SUNRUN INSTALLATION SVS	266	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.

How we calculate these numbers: All data comes from Honolulu DPP permit records, cross-referenced with our 68,000+ permit database. Contractor permit counts are deduplicated across both the primary and electrical contractor fields. Costs reflect the value declared on the permit, which closely tracks final installed cost for residential systems.

Is Solar Worth It in Waipahu?

Hawaii has the highest residential electricity rates in the US — roughly $0.42/kWh on HECO. A typical Waipahu 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 Waipahu

Check the Leaderboard: Filter by Waipahu 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 Waipahu permit benchmarks — before you sign.

See what installers charged in Waipahu

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Compare Other Oahu Neighborhoods

How does Waipahu compare to the rest of Oahu? Each neighborhood has its own pricing dynamics based on installer competition, roof types, and local demand.