Alpha ESS SMILE battery rebate
8 of 8 models are on the approved list. Rebates below assume installation in May–Dec 2026 at $38 per STC. The earliest listing expiry is 22 April 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| SMILE-G3-BAT-4.0S | 3.8 kWh | 4 kWh | Approved until 22 April 2027 | $950 | $798 | Rebate · How long it lasts |
| SMILE-BAT-5P | 4.79 kWh | 5.04 kWh | Approved until 31 December 2027 | $1,216 | $1,026 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH | 7.8 kWh | 8.2 kWh | Approved until 31 December 2027 | $2,014 | $1,672 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH II | 15.6 kWh | 16.4 kWh | Approved until 31 December 2027 | $3,838 | $3,230 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH III | 23.4 kWh | 24.6 kWh | Approved until 31 December 2027 | $5,054 | $4,218 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH IV | 31.2 kWh | 32.8 kWh | Approved until 31 December 2027 | $5,890 | $4,940 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH V | 39 kWh | 41 kWh | Approved until 31 December 2027 | $6,194 | $5,206 | Rebate · How long it lasts |
| SMILE-BAT-8.2 PH VI | 46.8 kWh | 49.2 kWh | Approved until 31 December 2027 | $6,498 | $5,434 | 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-BAT-8.2 PH III: rebate by install date
Questions
Is the Alpha ESS SMILE eligible for the federal battery rebate?
Yes. 8 of the 8 Alpha ESS SMILE 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?
For the SMILE-BAT-8.2 PH III (23.4 kWh usable), about $5,054 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-BAT-8.2 PH III would get about $4,218, $836 less. The date that counts is when it's installed and commissioned.