Most people don’t realise there’s not one — but two — financial incentives available to NSW homeowners upgrading to a heat pump hot water system.
While some states offer little to no government support for heat pump upgrades, New South Wales residents are in a strong position. Between a federal scheme that applies to every Australian and a state-level program unique to NSW, the upfront cost of switching to a heat pump hot water system can be meaningfully reduced — and your long-term energy bills along with it.
Here’s a clear breakdown of what’s available and how it works.
Rebate #1: The Federal Government Scheme (Available to All Australians)
The Australian Government’s Small-scale Renewable Energy Scheme (SRES) applies nationwide. When you install an eligible heat pump hot water system, your installer generates Small-scale Technology Certificates (STCs) on your behalf and passes the value directly to you as an **upfront discount off the installation price**.
No forms to fill out. No rebate to chase. It comes straight off the bill at the point of sale.
For NSW homeowners, the federal STC rebate on a heat pump hot water system typically ranges from **$300 to $700**, depending on:
– The efficiency rating of the system
– The tank capacity
– Your postcode climate zone
Rebate #2: The NSW Energy Savings Scheme
On top of the federal rebate, NSW has its own state-level program — the **Energy Savings Scheme (ESS)**. Accredited installers can generate Energy Savings Certificates (ESCs) when installing high-efficiency systems, and pass savings of an additional **$200 to $500** on to the customer.
Combined, NSW homeowners can access a total upfront saving of **$500 to over $1,000** on an eligible heat pump hot water installation — one of the better incentive stacks available anywhere in Australia right now.
Why Act Now — Not Later
The federal SRES scheme reduces in value every January 1st, as the government winds back the deeming period that determines how many STCs a system earns:
| Year | Federal Rebate Value |
|---|---|
| 2026 | Higher |
| 2027 | Lower |
| 2028 | Lower again |
| 2031 | Scheme ends completely |
Every year you wait, the federal portion of your rebate gets smaller. Installing in 2026 locks in the best available combination of federal and state savings.
The Real Savings Picture
Beyond the upfront rebates, a heat pump hot water system uses up to **75% less electricity** than a standard electric storage tank. For most NSW households, that means annual hot water energy savings of up to **$400 per year**.
Add the upfront rebates to the ongoing bill savings, and the payback period on a quality heat pump system typically falls between **3 and 6 years** — after which the savings are yours to keep.
Is Your System Eligible?
To qualify for the federal STC rebate, your heat pump hot water system must:
– Be listed on the Clean Energy Regulator’s approved products register
– Have a tank capacity of 425 litres or under
– Be installed by a licensed plumber or qualified tradesperson
– Be a new installation or a like-for-like replacement at the same address
For the NSW ESS component, your installer must be accredited under the scheme. A PowerBay-accredited installer can confirm your eligibility for both programs before the job starts.
The Bottom Line
NSW is one of the better states to be in when it comes to heat pump hot water incentives. The combination of the federal STC rebate and the NSW Energy Savings Scheme means real money off the upfront cost — and a faster path to long-term savings on your energy bills.
If your current hot water system is ageing, or you’re already thinking about solar or a battery upgrade, a heat pump hot water system is one of the most cost-effective additions you can make to your home in 2026.
**Talk to a PowerBay-accredited installer near you to find out exactly how much you could save.**
*PowerBay is a proud Australian renewable energy brand, available exclusively at Bunnings Warehouse. Our range of solar panels, home batteries, EV chargers, and hot water solutions is designed to make renewable energy simple and accessible for every Australian home*