Alpha ESS Co Ltd

Alpha ESS SMILE-M-BAT 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 31 December 2027.

Illustration of a typical stackable home battery
Stackable modules

Models and rebates

ModelUsableNominalListingRebate nowFrom Jan–Jun 2027
SMILE-M-BAT-5P5 kWh5 kWhApproved
until 31 December 2027
$1,292$1,064Rebate · How long it lasts
SMILE-M-BAT-5P II10 kWh10 kWhApproved
until 31 December 2027
$2,584$2,166Rebate · How long it lasts
SMILE-M-BAT-5P III15 kWh15 kWhApproved
until 31 December 2027
$3,762$3,154Rebate · How long it lasts
SMILE-M-BAT-5P IV20 kWh20 kWhApproved
until 31 December 2027
$4,522$3,800Rebate · How long it lasts
SMILE-M-BAT-5P V25 kWh25 kWhApproved
until 31 December 2027
$5,320$4,446Rebate · How long it lasts
SMILE-M-BAT-5P VI30 kWh30 kWhApproved
until 31 December 2027
$5,852$4,902Rebate · How long it lasts

Source: CEC approved batteries list via the Clean Energy Regulator. Always check the exact model number on your quote.

SMILE-M-BAT-5P IV: rebate by install date

Rebate for the SMILE-M-BAT-5P IV in each install period$4,522May–Dec2026$3,800Jan–Jun2027$3,458Jul–Dec2027$3,040Jan–Jun2028$2,736Jul–Dec2028$2,394Jan–Jun2029

Questions

Is the Alpha ESS SMILE-M-BAT eligible for the federal battery rebate?

Yes. 6 of the 6 Alpha ESS SMILE-M-BAT 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 SMILE-M-BAT?

For the SMILE-M-BAT-5P IV (20 kWh usable), about $4,522 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 SMILE-M-BAT-5P IV would get about $3,800, $722 less. The date that counts is when it's installed and commissioned.