Solar by State / Hawaii
Here's what a typical residential solar system costs in Hawaii in 2026 — system size, installed price, incentives, production, payback and how to vet local installers.
These estimates assume an average monthly power bill and a system sized to offset roughly 100% of usage. Your cost depends on roof, shading, equipment tier and installer.
Estimated based on the information above and typical solar assumptions for the area. Actual production, pricing, incentives and savings vary by property, utility, installer and financing terms. This is not a quote.
Use the full calculator to enter your own bill, roof size and financing, then compare vetted local installers.
Get solar quotes Calculate my exact costCompanies that publicly list Hawaii in their service area. We don't yet have verified city-level coverage — confirm your address with each company or get matched.
One of the largest residential solar and home-battery providers in the U.S. Offers solar leases, power purchase agreements, loans and cash purchases, plus the Sunrun battery (formerly Brightbox) for backup power.
Ratings, reviews & certifications: not yet verified
View Sunrun profile →Company details are publicly sourced (company websites and public records) and not independently verified by SolarInstallers.io. Service areas, licensing and pricing change often. How we verify installers →
Options that pair with going solar - financing for a cash purchase, EV charging, and electricity-plan shopping where the market is deregulated.
A typical Hawaii home solar system runs from a gross installed price in the low-to-mid five figures before incentives, at roughly $3.50-$5.00 per watt. The estimate on this page is sized to an average power bill; your cost depends on roof, shading, equipment and installer.
35% state income-tax credit (cap $5,000 per system), on top of the country's highest electricity rates.
It mainly comes down to your electricity rate (about $0.42/kWh here), your sun (5.6 peak hours/day) and the price you're quoted. Run the numbers with your own bill, then compare at least three installer quotes.
Check that the company is licensed and insured in Hawaii, get the all-in price per watt in writing, compare equipment and warranties, and request several quotes. You can browse Hawaii installers or get matched.