KIUC customers, Hawaii · Rebate
Heat Pump Water Heater Rebate
Run by Kauaʻi Island Utility Cooperative (KIUC)
KIUC pays a $500 rebate to members who replace an electric water heater with an ENERGY STAR heat pump water heater. First come, first served while program funds last; new construction does not qualify.
Amounts
How much you get
$500 per qualifying heat pump water heater replacement.
Eligibility
Do I qualify?
You need to meet all 3 of these.
KIUC member or customer on Kauaʻi (the form asks for a KIUC account number and service address).
The new unit must be an ENERGY STAR heat pump water heater that replaces an existing electric water heater, a non-functioning heat pump water heater or a non-functioning solar water heater.
New construction does not qualify.
Equipment
What equipment counts
The program sets these minimums for water heaters.
- Heat pump water heaters
Energy Star certified heat pump water heater.
Applying
How to apply
You apply online. No end date stated. First come, first served until program funds run out.
- Buy and install an ENERGY STAR heat pump water heater to replace an eligible water heater.
- Fill out the online Heat Pump Rebate Form.
Attach the receipt of purchase and installation (up to 2 files, 20 MB limit).
- Add the replaced and new water heater details.
The form asks for the type and capacity of the old unit, and the manufacturer, model, EF rating, purchase and installation dates and costs of the new one.
- Sign and submit the form.
Receipt of purchase and installation
Forms and instructionsKIUC: Heat Pump Water Heater Rebate · KIUC: Solar Water Heating Programs (footer contact)
Questions about applying808.246.4300
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Heat Pump Water Heater Rebate pay?
$500 back.
Do I need to be a KIUC customer?
Yes. It’s only for homes in KIUC customers, Hawaii. See Do I qualify for the details.
What’s the deadline?
No fixed deadline. Apply any time while it’s open.
Is it still available?
Yes. It was open when we last checked, on October 28, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
- KIUC: Heat Pump Water Heater Rebate
- KIUC: Heat Pump Water Heater Rebate form
- KIUC: Solar Water Heating Programs (footer contact)
When one of these pages changes, we re-check this page against it.
Nearby
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KIUC customers, Hawaii
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Checked Oct 28, 2026
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Checked Oct 27, 2026
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