Hawaii · Tax exemption · Deep-stack program

HI Solar Property Tax Exemption

Removes a tax burden residential solar owners in Hawaii would otherwise carry -- see what it covers, eligibility, and payback impact below.

Property tax exemption
stated benefit
Residential
eligible customers
5.2 yr
Hawaii baseline payback
3
other Hawaii programs
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Deep-stack program · late directory

Hawaii runs a 4-program DSIRE stack; this tax exemption is one layer on a 5.2-year modeled baseline, not the whole story.

  • Stack4 programs
  • In-state #3/3
  • Type #12/45
  • Baseline5.2 yr

In-state directory place #3 of 3 (late alphabet). National tax exemption directory #12 of 45. Amounts and eligibility change; verify with the official program page before relying on a dollar figure. Informational only - not financial advice. See our disclaimer.

Program description

Hawaii exempts solar energy systems from property tax assessment.

Program at a glance

Program type
Tax exemption
Eligible customers
Residential
Stated benefit
Property tax exemption
State electricity rate
38¢/kWh
Hawaii solar score
67/100

Solar's trajectory in Hawaii

The market this incentive operates in: total installed solar capacity in Hawaii reported to the EIA.

0 MW100 MW200 MW300 MW400 MW500 MW 2008201120142017202020232024 467 MW
Hawaii now has about 467 MW of installed solar, the backdrop programs like this one are built on.

Source: U.S. Energy Information Administration, installed solar nameplate capacity As of 2024

Hawaii's solar incentive stack

How this tax exemption sits among Hawaii's 3 tracked programs, by type

programs

What this shows Hawaii tracks 3 incentive types; 1 are tax exemptions like this one, removing a cost solar owners would otherwise carry, on top of the state's other program types.

Source DSIRE incentives registry As of 2024

How this tax exemption layers inside Hawaii's deep stack

The HI Solar Property Tax Exemption removes a tax burden solar owners would otherwise carry, one of Hawaii's DSIRE-tracked solar incentive programs. Eligibility is scoped to residential customers, with a stated benefit of Property tax exemption. DSIRE lists no scheduled sunset, though enabling legislation and appropriations can still be revised year to year.

That baseline is already fast by national standards. Hawaii averages 5.9 kWh/m²/day of usable sunlight and residential rates of 38¢/kWh, producing an estimated 10,337 kWh/year and $3,928 of annual utility offset on a typical 6 kW system costing $20,400. That baseline already implies a 5.2-year simple payback and a 25-year modeled net of roughly $77,800 before this incentive - every dollar this tax exemption delivers compresses that payback further.

Hawaii bundles a deep incentive stack, so this program rarely stands alone. Hawaii has 4 solar incentive programs indexed in DSIRE, including adjacent options like Hawaii Green Infrastructure Loan (GEMS), Hawaii Smart Export Tariff (SET). The state's net-metering policy is classified as partial, which governs how excess generation is credited and often decides whether a given program is worth claiming for a specific household.

Frequently asked questions

Where does the HI Solar Property Tax Exemption sit in Hawaii's deep program stack?
The HI Solar Property Tax Exemption is a tax exemption available to residential solar customers in Hawaii. The stated benefit is Property tax exemption.
How does this tax exemption work beside Hawaii's other programs?
Hawaii exempts solar energy systems from property tax assessment.
Who qualifies, and what does a late in-state directory place mean?
The program is available to residential customers in Hawaii. Check the official program page for current eligibility requirements and deadlines. In-state directory place #3 of 3 (late alphabet).
How does this incentive affect solar ROI in Hawaii?
Hawaii has an estimated 5.2-year payback for a 6 kW system before incentives, with about $3,928/year in modeled savings. A tax exemption like this lowers upfront cost or raises annual return, shortening that payback. Run the calculator for a figure based on your own bill.
Which other Hawaii programs stack with this one?
Hawaii has 4 solar incentive programs tracked in DSIRE, including Hawaii Green Infrastructure Loan (GEMS), Hawaii Smart Export Tariff (SET). State programs are designed to stack on top of any available federal solar tax credit rather than replace it.

Incentive data from the DSIRE (Database of State Incentives for Renewables & Efficiency); state solar economics from NREL and the U.S. EIA. See our methodology · Hawaii solar data · ROI calculator · All incentives.