How much does a home battery cost in Australia?
By My Energy Mate Editorial · Last updated
Quick Answer
A home battery costs A$7,500 to A$16,000 installed in Australia as of August 2026, averaging about A$950 per usable kWh before rebates. The federal Cheaper Home Batteries program then cuts roughly A$330 per kWh, bringing a typical 13 kWh system to around A$8,500.
Typical prices
| Battery size | Typical household | Installed price (pre-rebate) |
|---|---|---|
| 6–8 kWh | Small evening load, essentials backup | A$7,500–A$11,000 |
| 10–13.5 kWh | Typical family home, the sweet spot | A$8,000–A$15,500 |
| 16–20 kWh | Large home, EV charging overnight | A$13,500–A$20,000 |
| 25+ kWh | Very large or three-phase homes | A$20,000–A$32,000 |
Source: median of quotes collected through My Energy Mate plus published installer pricing, August 2026. Refreshed monthly.
Frequently asked questions
How much does a 10 kWh battery cost installed in Australia?
Between A$8,000 and A$12,500 installed in August 2026 depending on brand and inverter needs, before the federal rebate of roughly A$330 per usable kWh.
How much does a Tesla Powerwall 3 cost?
Typically A$12,500 to A$15,500 fully installed, before rebates. It includes an 11 kW hybrid inverter, so no separate inverter is needed.
Is a home battery worth it in 2026?
With the federal rebate cutting roughly a third off battery hardware and feed-in tariffs near zero, payback for a well-sized battery is now 5-8 years in most states, inside the 10-year warranty window.
What makes a battery quote more expensive?
Switchboard upgrades, whole-home backup wiring, three-phase homes, long cable runs and premium integrated brands. Two identical batteries can differ by thousands in installed cost.