Hawaii Energy (administered by Leidos for HECO / Hawaiian Electric)
Hawaii Energy Residential Rebate Program is available in Honolulu, HI.
Hawaii Energy administers residential rebates for energy-efficient appliances and systems for HECO/Hawaiian Electric ratepayers on Oahu, Maui, Molokai, Lanai, and Hawaii Island. Key rebates include up to $700 for heat pump water heaters, rebates for solar water heaters, ENERGY STAR appliances, and mini-split A/C systems. Additional low-income discounts are available for households in need. Kauai residents are not eligible (served by KIUC).
Rebate amounts vary by measure. Heat pump water heater: up to $700. Solar water heater: varies. Mini-split A/C: varies by BTU. All rebates on first-come, first-served basis.
Data last verified 2026-04-03. How we verify our data.
In Honolulu, HI, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Honolulu, HI can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Honolulu early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: June 30, 2026 or until funds exhausted
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $700 per heat pump water heater; rebates for A/C, appliances, and solar water heating.
Hawaii Energy Residential Rebate Program is available in Honolulu, HI. It has no income limit.
Apply directly with Hawaii Energy (administered by Leidos for HECO / Hawaiian Electric) using the official program link on this page or call 808-537-5577. There is no middleman and no fee. Deadline: June 30, 2026 or until funds exhausted.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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