CESC Mars HV5-02 battery rebate
3 of 3 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 | |
|---|---|---|---|---|---|---|
| Mars HV5-02-1 | 4.77 kWh | 5.3 kWh | Approved until 31 December 2027 | $1,216 | $1,026 | Rebate · How long it lasts |
| Mars HV5-02-2 | 9.54 kWh | 10.6 kWh | Approved until 31 December 2027 | $2,432 | $2,052 | Rebate · How long it lasts |
| Mars HV5-02-3 | 14.31 kWh | 15.9 kWh | Approved until 31 December 2027 | $3,648 | $3,040 | Rebate · How long it lasts |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
Mars HV5-02-2: rebate by install date
Questions
Is the CESC Mars HV5-02 eligible for the federal battery rebate?
Yes. 3 of the 3 CESC Mars HV5-02 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 CESC Mars HV5-02?
For the Mars HV5-02-2 (9.54 kWh usable), about $2,432 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 Mars HV5-02-2 would get about $2,052, $380 less. The date that counts is when it's installed and commissioned.