NETCCOne federal rebate works in every state — roughly 30% off a home battery, taken off the quote. Some states add more on top. Here's every discount that exists in 2026, what each is worth, and which ones stack.
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This is the main battery rebate in Australia. It's not a cash-back you apply for — your installer claims it and takes it off the quote. After the 1 May 2026 step-down it pays about $252 per usable kWh on the first 14 kWh, $151/kWh from 14–28 kWh, and $38/kWh from 28–50 kWh.
| Battery size (usable kWh) | Federal rebate | What that size typically covers |
|---|---|---|
| 10 kWh | ~$2,520 | Evening cover for a smaller home with a modest evening load. |
| 13.5 kWh | ~$3,402 | Evening cover for an average household. |
| 14 kWh | ~$3,528 | The full-rate maximum — every kWh to here earns the top rate. |
| 21 kWh | ~$4,586 | Whole-home overnight cover — the most common single-home size. |
| 28 kWh | ~$5,645 | Whole-home overnight cover for a large home, or a home with an EV. |
Federal Cheaper Home Batteries Program rates after the 1 May 2026 step-down, applied at the quote, subject to program terms.
On 1 January 2027 the full-rate band drops from about $252 to about $213 per kWh, and it keeps tapering each year until the program ends on 31 December 2030. Every year you wait, the discount shrinks. The rebate on a 14 kWh battery is about $3,528 today — about $546 less if you wait until next year.
The old SA Home Battery Scheme is closed. What SA homes get in 2026: the federal discount, a REPS incentive when you join a virtual power plant through your electricity retailer, if your household qualifies (in 2026 the funding mostly goes to priority-group households, such as concession or health care card holders; we check at the quote), and a council rebate if you live in the City of Adelaide. SA's feed-in tariffs of roughly 5–8c are exactly why batteries pay off here: stop selling power for cents and buying it back at 30–50c in the evening.
Solar battery Adelaide →NSW stacks the best finance in the country on top of the federal discount. The Home Energy Saver program lends up to $15,000 at 0% interest over up to 10 years — open now for households earning up to $210,000. A targeted discount of up to $4,000 for lower-income households opens later in 2026. Federal discount first, then the loan covers the rest.
NSW $15k loan explained →Victoria's state battery rebate is finished and the interest-free battery loan closed in May 2025. In 2026 Victorian homes claim the federal ~30% discount. The Solar Homes panel rebate still exists for the solar side of a combined system.
Solar battery Melbourne →Queensland's Battery Booster closed in May 2024. In 2026 Queensland homes claim the federal ~30% discount, and some electricity retailers pay extra VPP sign-up incentives on top.
Solar battery Brisbane →Running a business? The same federal discount covers commercial batteries up to 100 kWh nominal, paid on the first 50 kWh. Commercial battery rebates →
About $252 per usable kWh on the first 14 kWh, then $151/kWh to 28 kWh, then $38/kWh to 50 kWh. A 14 kWh battery gets about $3,528 off; a 21 kWh setup about $4,586. That works out near 30% off the upfront cost.
The program runs to 31 December 2030, but the rate steps down every year. The next cut is 1 January 2027, when the full-rate band drops from about $252 to about $213 per kWh.
No. It's a point-of-sale discount. Your installer claims the certificates and takes the amount off your quote. If a quote shows full price with no discount line, ask why.
Yes. The federal discount stacks with the NSW $15,000 interest-free loan, SA's REPS VPP incentives, and council programs like the City of Adelaide's. It doesn't stack with itself — one discounted battery per address.
It must be VPP-capable to qualify. You don't have to join one — but in SA, joining through your retailer can add a REPS incentive if your household qualifies (in 2026, mostly priority-group households).
Most closed once the federal program started. SA's Home Battery Scheme, Victoria's battery rebate and loan, and Queensland's Battery Booster are all closed. The federal ~30% discount replaced them nationally.
Postcode and a recent bill is enough. We confirm the federal discount plus anything your state adds, and the price you sign is the rebated price.
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