Hawaii Energy (administered by Leidos for HECO / Hawaiian Electric)
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.
Deadline: June 30, 2026 or until funds exhausted
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
See All Programs