SunLedger — Solar Savings Calculator for Hawaii

How much can you save with solar?

Enter your monthly HECO bill and ZIP code. We'll estimate your savings using real permit data from your neighborhood.

Monthly Electricity Bill ($)

ZIP Code

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Solar Permit Explorer

Search 20+ years of Honolulu building permit data for residential solar installations.

Click a district to explore its solar permits & stats

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Search solar permits

Enter an address, neighborhood, or ZIP code above to find solar installation permits in your area.

Quote Comparison

See how your solar quote stacks up against actual installation costs in your area.

Your Quote Details

System Size (kW)

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Total Cost ($)

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Neighborhood

ZIP Code

Installer Name Optional

Share Your Data

Help fellow Hawaii homeowners make better solar decisions by sharing your quote, price, or installer experience.

Share Your Solar Quote

Email Address

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System Size (kW)

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Quoted Cost ($)

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Installer

Panel Model

Inverter Model

Battery Included?

Financing Type

Financing Terms

Neighborhood

ZIP Code

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Share Your Actual Purchase Price

Email Address

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System Size (kW)

Required.

Actual Cost ($)

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Installer

Install Date

Panel Model

Inverter Model

Battery Included?

Financing Type

Neighborhood

ZIP Code

Satisfaction Rating

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I am open to being contacted by vetted installers about competitive quotes.