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Solar incentives · Hawaii · 2026
Solar rebates in Hawaii.
The federal, state, and utility solar incentives available in Hawaii for 2026, then matched to a vetted local installer.
Programs · Hawaii
4
active programs & rules in 2026
Smart Renewable Energy Export / Non-Export (no NEM) · verified 2026-09-02
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The full list
4 programs available right now in Hawaii.
Tax credit
#01
Federal Residential Clean Energy Credit (Section 25D) - ENDED
The 30% federal Residential Clean Energy Credit (IRC Section 25D) expired for property placed in service after December 31, 2025, under the One Big Beautiful Bill Act. Hawaii homeowners who purchased and installed by year-end 2025 can still claim it on their 2025 return; cash and loan purchases in 2026 receive no federal tax credit. This makes the Hawaii state RETITC the primary tax incentive for 2026 cash buyers.
Source ↗ Tax credit
#02
Federal Commercial ITC (Section 48E) - via Lease / PPA
Section 48E (the commercial Clean Electricity Investment Credit) survives at 30% and is still available to third-party owners of residential systems under solar leases, PPAs, and similar TPO structures. The TPO company claims the credit and typically passes savings through to the homeowner. To qualify, projects must begin construction by July 4, 2026; otherwise they must be placed in service by December 31, 2027.
Source ↗ Tax credit
#03
Hawaii Renewable Energy Technologies Income Tax Credit (RETITC, HRS §235-12.5)
Hawaii state income tax credit equal to 35% of the cost of a residential solar PV system, capped at $5,000 per 5 kW system. The credit has no scheduled repeal. Taxpayers can either carry forward unused credit indefinitely, or elect to reduce the credit by 30% in exchange for the credit becoming refundable in the year claimed.
Source ↗ Utility
#04
Hawaiian Electric Bring Your Own Device Plus (BYOD+)
Hawaiian Electric's BYOD Plus pays an upfront incentive of $400 per kW of committed battery capacity with no maximum cap, plus monthly export credits for energy sent to the grid during a customer-selected two-hour window each day. Those export credits are calculated at the retail rate of your current billing rate, which is unusually generous and is why the programme is worth taking seriously in a state with the highest electricity prices in the country. Low- and moderate-income households receive an additional $400 per kW, doubling the upfront incentive. Minimum committed capacity is 1 kW and the battery must be paired with renewable generation. The commitment is the part to weigh: participation runs 5 years, and terminating early means repaying the upfront incentive on a prorated basis, so the money is not unconditional and a household planning to move or sell within that window should account for it. Replaces the now-closed Battery Bonus program.
Source ↗
Net metering · Hawaii
Smart Renewable Energy Export / Non-Export (no NEM)
Hawaii does not offer net metering to new customers and has not for years. The programmes that replaced it have themselves been retired: Customer Grid-Supply, Customer Grid-Supply Plus, Smart Export, Customer Self-Supply and the Standard Interconnection Agreement are all closed to new enrolment. New rooftop projects go onto one of two Smart Renewable Energy tracks. The Export track provides export bill credits, is open to all renewable technologies and carries no project size limit. The Non-Export track also allows all technologies and project sizes but does not permit export to the grid at all, which makes on-site consumption and storage the whole of the value. Existing Customer Grid-Supply Plus and Smart Export customers transition to Smart Renewable Energy Export after seven years in their current programme, with the earliest transitions having begun on October 1, 2024, and Hawaiian Electric performs the switch automatically. Customer Self-Supply customers are not required to move, but may elect to, in which case they go onto the non-export track. Because the export value is the variable that has moved most, ask any installer which track your project is being designed for and what export compensation the savings model assumes.
Worth checking before you sign:
taking a rebate can change your net-metering terms, and export credit rules
differ by utility. Your matched installer confirms the exact numbers for
your address.
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