Western Australia home battery rebate 2026
A typical 13.5 kWh home battery in Western Australia qualifies for about $3,640 under the federal Cheaper Home Batteries rebate as of May 2026, where 37,912 home batteries have been installed to Apr 2026i. WA Residential Battery Rebate.
Figures verified May 2026 against the Clean Energy Regulator.
Is there a separate Western Australia battery rebate in 2026?
Western Australia offers a residential battery rebate — broadly around $1,300 on the main grid (Synergy) and up to $3,800 in regional areas (Horizon Power), subject to eligibility and available funding. It can be claimed alongside the federal rebate.
Federal rebate by battery size in Western Australia
| Usable capacity | Certificates | Federal rebate |
|---|---|---|
| 5 kWh | 34 | $1,360 |
| 10 kWh | 68 | $2,720 |
| 13.5 kWh | 91 | $3,640 |
| 14 kWh | 95 | $3,800 |
| 20 kWh | 119 | $4,760 |
Values from the federal rebate engine at the current deeming factor; capacity above 50 kWh is not eligible. The rebate steps down each year to 2030.
Worked example: a 10 kWh battery in Western Australia
A 10 kWh home battery installed in Western Australia qualifies for about $2,720 under the federal Cheaper Home Batteries rebate as of May 2026 (68 small-scale technology certificates at the $40 clearing-house price). Larger batteries earn more up to the 50 kWh eligibility cap — see the size comparison below.
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.
Quote requests are temporarily unavailable
We’re putting the finishing touches on this. In the meantime, use the calculator above to estimate your federal battery rebate — quotes will be back online soon.