Hawaii Energy Residential Rebate Program

About This Program

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.

Key Details

• Up to $700 rebate for heat pump water heaters; rebates for solar water heaters, A/C
• Available to HECO/Hawaiian Electric ratepayers on Oahu
• Income-qualified households receive additional discounts
• First-come, first-served — available through June 30, 2026
• Call Hawaii Energy: 808-537-5577 or 877-231-8222

How to Apply

Deadline: June 30, 2026 or until funds exhausted