Residential Solar Water Heating Contractors

The below information is for participating residential solar water heating contractors only. For more information on how to become a participating solar water heating contractor, visit the Clean Energy Ally Portal FAQ page or you call us at (808) 537-5577 (Oahu) or (877) 231-8222 (Neighbor Islands).

You may submit applications by email to us. Email the customer their copy when possible. If printing and mailing applications, please print 3 copies (Customer, Contractor and Hawai’i Energy).


Solar Water Heating Tune-Up $100 INSTANT Rebate

To have your company's logo added to the Tune-Up Flyer, please contact Shayna Doi at

Solar Water Heating Tune-Up Checklist

Solar Tune-Up Application

Solar Tune-Up Fillable Application


Photovoltaic Direct Water Heating $750 INSTANT Rebate

PV systems installed for this purpose must not be tied to the grid or a grid-tied battery system at any point during the life of the system. PV water heater collectors must solely power designated system water heating. For full details, see the documents below.

PV Direct Water Heating form 1 Fillable Application   PV Form 1 FILLABLE

PV Direct Water Heating Application $750 rebate

PV Direct Water Heating Fillable Application $750 rebate


Solar Thermal Water Heating $750 INSTANT Rebate

Review the documents listed below for the Solar Thermal Water Heating program. If printing the fillable SWH Customer Application, please print a total of 3 copies (Customer, Contractor and Hawaii Energy copies).

SWH Rebate Application $750 rebate

SWH Rebate Fillable Application $750 rebate

SWH Form 1   System Sizing Verification

SWH Form 1 Fillable   System Sizing Verification

SWH Hand book

SWH Contractor Participation Agreement


Sunshine Zone Maps

You can find the full link here:

Hawaii Island Solar Map
Maui Solar Map
Molokai Solar Map
Oahu Solar Map


Hawaii Solar Energy Association White Paper

Providing Hot Water Heating Load for a Residential Dwelling & Comparison between Solar Hot Water and Photovoltaic Cost for Same Dwelling



Hawaii Energy provides solar water heating participating contractors with co-op advertising funds to help promote the benefits of solar water heating and our rebate for the installation of solar water heating systems. Receive up to 100% reimbursement of ad placement costs (including tax), for ad campaigns running now until December 31, 2021, and up to 50% reimbursement for ads from January 1, 2022 - May 31, 2022, up to $4,000 per program year. Funds are limited and are available on a first-come, first-served basis. Questions? Contact Christina Kelley at

Co-op Advertising Application Packet

Co-op Events Application Packet


Truck Magnets

We have magnets for your trucks or vans highlighting your status as a Hawaii Energy solar water heating participating contractor. If you'd like to receive one for your vehicle, please contact Desiree Sumaoang at .