Alpha ESS SMILE-G3-BAT battery rebate
6 of 6 models are on the approved list. Rebates below assume installation in May–Dec 2026 at $38 per STC. The earliest listing expiry is 31 December 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| SMILE-G3-BAT-9.3S | 9.3 kWh | 9.3 kWh | Approved until 31 December 2027 | $2,394 | $2,014 | Rebate · How long it lasts |
| SMILE-G3-BAT-9.3S II | 18.6 kWh | 18.6 kWh | Approved until 31 December 2027 | $4,294 | $3,610 | Rebate · How long it lasts |
| SMILE-G3-BAT-9.3S III | 27.9 kWh | 27.9 kWh | Approved until 31 December 2027 | $5,738 | $4,826 | Rebate · How long it lasts |
| SMILE-G3-BAT-9.3S IV | 37.2 kWh | 37.2 kWh | Approved until 31 December 2027 | $6,118 | $5,130 | Rebate · How long it lasts |
| SMILE-G3-BAT-9.3S V | 46.5 kWh | 46.5 kWh | Approved until 31 December 2027 | $6,498 | $5,434 | Rebate · How long it lasts |
| SMILE-G3-BAT-9.3S VI | 55.8 kWh | 55.8 kWh | Approved until 31 December 2027 | $6,612 | $5,548 | Rebate · How long it lasts |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
SMILE-G3-BAT-9.3S IV: rebate by install date
Questions
Is the Alpha ESS SMILE-G3-BAT eligible for the federal battery rebate?
Yes. 6 of the 6 Alpha ESS SMILE-G3-BAT models are on the Clean Energy Council approved batteries list as at 9 November 2026. The exact model number on your quote must match one on the list on your installation date.
How much is the rebate on a Alpha ESS SMILE-G3-BAT?
For the SMILE-G3-BAT-9.3S IV (37.2 kWh usable), about $6,118 if installed in May–Dec 2026, at $38 per STC. The table above shows every model.
What happens on 1 January 2027?
The STC factor drops from 6.8 to 5.7. The same SMILE-G3-BAT-9.3S IV would get about $5,130, $988 less. The date that counts is when it's installed and commissioned.