ECACTUS Agave 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 7 August 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| WH-SPHA3.6H-5.12kWh (AS4777-2 2020) | 4.61 kWh | 5.12 kWh | Approved until 7 August 2027 | $1,178 | $988 | Rebate · How long it lasts · Compare |
| WH-SPHA5.0H-5.12kWh (AS4777-2 2020) | 4.61 kWh | 5.12 kWh | Approved until 7 August 2027 | $1,178 | $988 | Rebate · How long it lasts · Compare |
| WH-SPHA6.0H-5.12kWh (AS4777-2 2020) | 4.61 kWh | 5.12 kWh | Approved until 7 August 2027 | $1,178 | $988 | Rebate · How long it lasts · Compare |
| WH-SPHA3.6H-10.24kWh (AS4777-2 2020) | 9.22 kWh | 10.24 kWh | Approved until 7 August 2027 | $2,356 | $1,976 | Rebate · How long it lasts · Compare |
| WH-SPHA5.0H-10.24kWh (AS4777-2 2020) | 9.22 kWh | 10.24 kWh | Approved until 7 August 2027 | $2,356 | $1,976 | Rebate · How long it lasts · Compare |
| WH-SPHA6.0H-10.24kWh (AS4777-2 2020) | 9.22 kWh | 10.24 kWh | Approved until 7 August 2027 | $2,356 | $1,976 | Rebate · How long it lasts · Compare |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
WH-SPHA3.6H-10.24kWh (AS4777-2 2020): rebate by install date
Questions
Is the ECACTUS Agave eligible for the federal battery rebate?
Yes. 6 of the 6 ECACTUS Agave 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 ECACTUS Agave?
For the WH-SPHA3.6H-10.24kWh (AS4777-2 2020) (9.22 kWh usable), about $2,356 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 WH-SPHA3.6H-10.24kWh (AS4777-2 2020) would get about $1,976, $380 less. The date that counts is when it's installed and commissioned.