Changes to the battery rebate program
Alright Newcastle home owners, you may or may not know there is a federal battery rebate program going on at the moment – people have been saving huge amounts of money in the installation of a solar power battery system.
What you need to know is that because so many people have taken advantage of it already, the funds were depleted and as a result of that, a further 4.9 billion dollars has been introduced to support the program.
To ensure these funds don’t get depleted straight away, stringent new rules are coming into effect mid this year. This blog will detail those changes, but the message here is simple;
If you want to take full advantage of the battery rebate, you need to have your batteries installed within the first 5 months of 2026 – otherwise, your rebate will be reduced significantly.

Simple as that. Now, here are the details;
List of important battery rebate facts
- The huge change comes into affect on the 1st May 2026
- From 1st May 2026, the amount of rebate is now applied on a tiered format;
- From 0 kWh up to 14 kWh (inclusive): STC Factor applied at 100%.
- Every kWh greater than 14 and up to 28 kWh (inclusive): STC Factor applied at 60%.
- Every kWh greater than 28 and up to 50 kWh (inclusive): STC Factor applied at 15%.
- The change means that there are going to be significant changes in the amount of rebate that you can claim – it means, that the overall cost to purchase your battery will significantly increase.
- Meaning, that your return on investment will no longer be as good. It will represent a higher overall risk to you, although in our opinion with the remaining rebate still applicable, it is still generally a worthwhile investment.
Before and after the change – rebate guide
Here we will work out a few different system sizes, before the 1st May 2026 federal battery rebate regulations kick in. You can work some out for yourself through this federal battery rebate calculator.
Scenario 01: 50 kw/h prior to 1st May.
This installation would generate
420 STCs
This is calculated as:
- 50 kWh @ (100% x 8.4 STCs) = 420 STCs.
Approximate rebate: $16,380
Scenario 01: 50 kw/h after to 1st May.
This installation would generate
174 STCs
This is calculated as:
22 kWh @ (15% x 6.8 STCs) = 22.44 STCs.
14 kWh @ (100% x 6.8 STCs) = 95.20 STCs.
14 kWh @ (60% x 6.8 STCs) = 57.12 STCs.
Approximate rebate: $6,786
So that’s a difference in rebate of $9,594. Ok, so now you know you need to act – money is better in your pocket right? So act now contact the locals in Newcastle NSW who do this day in and day out.
Free solar battery quotation in Newcastle NSW
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