KOYOE KY 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 29 July 2027.
Models and rebates
| Model | Usable | Nominal | Listing | Rebate now | From Jan–Jun 2027 | |
|---|---|---|---|---|---|---|
| KY-102V40AH | 3.28 kWh | 4.1 kWh | Approved until 29 July 2027 | $836 | $684 | Rebate · How long it lasts |
| KY-204V40AH | 6.55 kWh | 8.19 kWh | Approved until 29 July 2027 | $1,672 | $1,406 | Rebate · How long it lasts |
| KY-306V40AH | 9.83 kWh | 12.29 kWh | Approved until 29 July 2027 | $2,508 | $2,128 | Rebate · How long it lasts |
| KY-510V40AH | 16.38 kWh | 20.48 kWh | Approved until 29 July 2027 | $3,952 | $3,306 | Rebate · How long it lasts |
Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.
KY-306V40AH: rebate by install date
Questions
Is the KOYOE KY eligible for the federal battery rebate?
Yes. 4 of the 4 KOYOE KY 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 KOYOE KY?
For the KY-306V40AH (9.83 kWh usable), about $2,508 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 KY-306V40AH would get about $2,128, $380 less. The date that counts is when it's installed and commissioned.