Hot Water Rebates

Rebates, grants and financial incentives are offered Australia-wide at a federal and state level for using hot water heaters which are powered by renewable energy. Calculate your eligible hot water rebate using the rebate calculator below.

Click Here To View The Range Of Rebate-Eligible Hot Water Heat Pumps

STC Rebates (Australia-wide hot water rebate)

Small-scale Technology Certificates (STCs) are an environmental type of currency issued after the installation of water heating, solar power, and any other renewable energy technology that helps reduce greenhouse gas emissions.

STCs per zone across Australia - as of 1st January 2024

Zone WWK 222(H) WWK 302(H)
1 17 16
2 18 17
3 20 19
4 21 21
5 22 21

Small-scale Technology Certificates prices are market-based and will fluctuate depending on supply and demand. There are several STC trading companies that you can compare pricing through.

Claiming STC Hot Water Rebates (STC Rebate Trading Companies):

There are several STC trading companies that you can compare pricing through. Hot water rebate pricing may vary between companies. Once you have selected an STC trading company to claim government rebates through, simply follow the process outlined on their website. This usually involves downloading the hot water rebate forms and completing them with a plumbing installation certificate. We have listed some STC rebate trader companies below for your convenience.

System eligibility:

  • air source heat pumps
  • solar PV systems
  • wind turbines
  • hydro systems
  • solar water heaters

VEECs Hot Water Rebates (Victoria Only)

The Victorian Government currently offers a number of hot water rebates, which are dependent on the location of Victorian households and which type of hot water system is being replaced.
Hot water rebates are offered to provide domestic households additional incentives to replace their existing hot water systems with more energy-efficient water heaters. The hot water rebates make purchasing and installing new hot water systems more affordable and help households benefit from the long-term energy and cost savings these new models offer.

Claiming VEECs hot water rebates:

A VEEC is a Victorian Energy Efficiency Certificate and is awarded for installing a heat pump to replace a less-efficient electric water heater. 1 VEEC is equivalent to 1 tonne of CO2 abated by a prescribed activity. VEECs vary for metropolitan and regional installations.

Energy Savings Certificates (NSW Only)

Energy Savings Certificates (ESCs) represent the energy saved from completing a compliant energy savings activity in NSW. Accredited Certificate Providers (ACPs) can create and trade ESCs on the certificate market. ESCs are only eligible on installs where a Stiebel Eltron WWK domestic hot water heat pump replaces an existing Electric Storage Tank / Electric instantaneous water heater (D17) or where a Stiebel Eltron WWK domestic hot water heat pump replaces an existing Gas Storage Tank / Gas instantaneous water heater (D19) Certificates Eligible in NSW Only.

  Zone 3 Zone 5
Certificates Model D17 – Replacing EWH D19 – Replacing GWH D17 – Replacing EWH D19 – Replacing GWH
ESCs - ESS (NSW) WWK 302 41 15 39 13
WWK 302 H 41 15 39 13
WWK 222 42 16 40 14
WWK 222 H 42 15 40 14