SolaX Power T-BAT HS50E 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 12 September 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| T-BAT HS 5 | 4.6 kWh | 5.1 kWh | Approved until 12 September 2027 | $1,178 | $988 | Rebate · How long it lasts · Compare |
| T-BAT HS 10 | 9.2 kWh | 10.2 kWh | Approved until 12 September 2027 | $2,356 | $1,976 | Rebate · How long it lasts · Compare |
| T-BAT HS 15 | 13.8 kWh | 15.3 kWh | Approved until 12 September 2027 | $3,534 | $2,964 | Rebate · How long it lasts · Compare |
| T-BAT HS 20 | 18.4 kWh | 20.4 kWh | Approved until 12 September 2027 | $4,294 | $3,572 | Rebate · How long it lasts · Compare |
| T-BAT HS 25 | 23 kWh | 25.6 kWh | Approved until 12 September 2027 | $4,978 | $4,180 | Rebate · How long it lasts · Compare |
| T-BAT HS 30 | 27.6 kWh | 30.7 kWh | Approved until 12 September 2027 | $5,700 | $4,788 | Rebate · How long it lasts · Compare |
Rebates assume $38 per STC; your installer sets the price they credit and may deduct fees. Based on Clean Energy Regulator material (CEC approved solar batteries list) licensed under a Creative Commons Attribution 4.0 licence, with brand spellings merged and models grouped by series. Always check the exact model number on your quote.
T-BAT HS 20: rebate by install date
Questions
Is the SolaX Power T-BAT HS50E eligible for the federal battery rebate?
It's on the list. 6 of the 6 SolaX Power T-BAT HS50E models are on the Clean Energy Council approved batteries list as at 9 November 2026, which is one condition of the federal rebate. You also need an accredited installer, a battery of 5 to 100 kWh that can join a virtual power plant, and the exact model number on your quote to match the list on your installation date.
How much is the rebate on a SolaX Power T-BAT HS50E?
For the T-BAT HS 20 (18.4 kWh usable), about $4,294 if installed in May–Dec 2026, at $38 per STC. Your installer sets the price they credit for STCs and may deduct fees, so the discount on your quote can differ. The table above shows every model.
What happens on 1 January 2027?
The STC factor drops from 6.8 to 5.7. The same T-BAT HS 20 would get about $3,572, $722 less. The date that counts is when it's installed and commissioned.