Alpha ESS Stax battery rebate
4 of 4 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 | |
|---|---|---|---|---|---|---|
| M38314-60SNW | 54.23 kWh | 60.25 kWh | Approved until 31 December 2027 | $6,612 | $5,548 | Rebate · How long it lasts |
| M38314-72SNW | 65.07 kWh | 72.3 kWh | Approved until 31 December 2027 | $6,612 | $5,548 | Rebate · How long it lasts |
| M38314-84SNW | 75.92 kWh | 84.35 kWh | Approved until 31 December 2027 | $6,612 | $5,548 | Rebate · How long it lasts |
| M38314-96SNW | 86.76 kWh | 96.4 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.
M38314-84SNW: rebate by install date
Questions
Is the Alpha ESS Stax eligible for the federal battery rebate?
Yes. 4 of the 4 Alpha ESS Stax 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 Stax?
For the M38314-84SNW (75.92 kWh usable), about $6,612 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 M38314-84SNW would get about $5,548, $1,064 less. The date that counts is when it's installed and commissioned.