HawaiiSolar Rebates — Utility, State & Local Programs
Hawaii solar rebates in 2026 come from the state, regulated utilities, and local programs. The federal residential credit does not apply to a system installed in 2026, so these programs do not stack with it.
State-Level Programs
Hawaii offers a 35% state income tax credit on installed solar costs, capped at $5,000. This is technically a tax credit, not a rebate — it reduces your state income tax liability rather than paying out cash up front. Carry-forward rules typically allow unused credit to apply in future tax years.
Hawaiialso exempts the added home value from solar from property tax assessments — a recurring benefit worth roughly $250-$400 per year for the system's lifetime.
Utility Rebate Programs
The following utilities operate in Hawaii and may run rebate programs at any given time. Program availability is volatile — utilities open and close incentive windows multiple times per year, often without notice. Check directly with your utility before committing to an installation timeline.
How Rebates Stack
For a system installed in 2026 there is no federal residential credit to reduce, so a utility rebate does not change a federal credit basis. State income tax credits, where they exist, are claimed against state tax liability. Confirm the current rebate with the utility before you sign.