Solar Water Heater Rebate
Administered by Hawaii Energy
Hawaii Energy offers up to $2,750 instant rebate for installing a solar water heater, which can save you up to 40% on your electric bill and may qualify for additional state tax credits. To get the rebate, find a participating Clean Energy Ally contractor, schedule your installation, and the rebate will be deducted from your invoice at completion. The program also provides up to $325 rebates for solar water heater tune-ups every 5 years and up to $700 for ENERGY STAR heat pump water heaters purchased at participating retailers like Home Depot and Lowe's.
As a Clean Energy Ally participating contractor, you can offer customers instant rebates on solar water heater installations (up to $2,750) and maintenance tune-ups (up to $325), with the rebate deducted from the customer's invoice and the application submitted on their behalf. You must be registered with Hawaii Energy to participate, and customers must schedule installations or service with you directly; rebates cannot be combined with other Hawaii Energy offers. The program applies to customers of HECO, MECO, and HELCO across the islands of Oahu, Hawaii, Maui, Lanai, and Molokai.
Hawaii Energy, administered by Honeywell as a third-party public benefits fund for Hawaiian Electric Company and its subsidiaries, distributes instant rebates for solar water heating (up to $2,750), solar tune-ups (up to $325), and heat pump water heaters (up to $700) to residential, commercial, and federal government customers across five Hawaiian islands. The program funds installations and maintenance through participating Clean Energy Ally contractors and retail partners, with rebates applied at point of sale or service completion; applicants contact Hawaii Energy at 877-231-8222 or hawaiienergy@honeywell.com, and a new online portal is in development. Eligible customers are HECO, MECO, and HELCO ratepayers seeking to reduce water heating energy consumption.
Program details
- Program ID
- 506
- Last updated
- 5/30/2025
Eligibility
- Sectors
- commercial residential federal government
- Technologies
- solar water heat
Program summary
Hawaii Energy, a third-party administered public benefits fund, provides incentives for energy efficiency and conservation to customers of the Hawaiian Electric Company (HECO) and its subsidiaries, Maui Electric Company (MECO) and Hawaii Electric Light Company (HELCO). This incentive is available for installations on the islands of Oahu, Hawaii, Maui, Lanai and Molokai.
Contact & resources
- Contact email
- joanne.ide@heco.com
- Additional resources
Please verify current program details with the administering agency before making any financial decisions.