Home battery rebate for a 5 kWh battery
A 5 kWh home battery qualifies for about $1,360 under the federal Cheaper Home Batteries rebate as of May 2026 — about 34 small-scale technology certificates at the $40 clearing-house price.
Figures verified May 2026 against the Clean Energy Regulator.
How much is the rebate for a 5 kWh battery in 2026?
Under the federal Cheaper Home Batteries program, a 5 kWh home battery installed in 2026 qualifies for about $1,360. This is calculated from 34 small-scale technology certificates, valued at the $40 clearing-house price. The full 5 kWh falls within the first 0–14 kWh tier, so the 100% rate applies to all capacity.
How the size tiers apply to a 5 kWh battery
From 1 May 2026, the rebate uses capacity tiers — each band of kWh earns certificates at a different rate. Here is how the tiers apply to 5 kWh:
| Capacity band | Rate | Certificates |
|---|---|---|
| 0-14kWh | 100% | 34 |
| Total (5 kWh) | — | 34 |
Certificates are valued at the $40 clearing-house price, giving a total indicative rebate of $1,360.
Installed with solar PV?
The battery must pair with new or existing rooftop solar.
Own the home?
You must be able to authorise the roof and electrical install.
Usable capacity 50 kWh or under?
Capacity above the 50 kWh cap earns no rebate.
Eligible for the federal rebate
Claimed as small-scale technology certificates at install.