Sigenergy Battery Rebate

Work out your battery rebate

Your postcodeState, from your postcode

Usable battery size

kWh

Solar panels

I already have solarNo solar yet

When it will be installed

By Dec 2026Jan–Jun 2027Jul–Dec 2027

Example: enter yours 7.8 kWh in New South Wales, installed by 31 December 2026

$2,120 off your battery

Your installer takes this off the quote; you do not claim it. A few installers pass on a little less, as certificates can sell for just under $40. Join a virtual power plant and the NSW incentive adds about $281 more.

First 14 kWh: full rate14 to 28 kWh: 60%28 to 50 kWh: 15%Above 50 kWh: no extra

Federal discount: $2,120 (53 certificates)
State: NSW VPP incentive: about $281, paid by the VPP provider you join. Offers vary by provider.
Typical price: $8,220 to $12,220 before rebates, $6,100 to $10,100 after

What you payFederal

VPP: the federal discount only needs a VPP-capable battery; the NSW incentive is paid when you join one.

How this is worked out

The federal discount is paid in small-scale technology certificates (STCs). Multiply usable kWh by the STC factor for your install date: the first 14 kWh count in full, the next 14 (up to 28 kWh) count 60%, and the slice up to 50 kWh counts 15%; the total rounds down to whole certificates. Each certificate is worth up to $40 (the clearing house price); on the open market it sold for about $37 to $40 in 2026.

Factors: May to December 2026 6.8; January to June 2027 5.7; July to December 2027 5.2. Source: the Clean Energy Regulator's STC factor table.

Typical prices are the installed ranges published by CHOICE for 10 to 50 kWh (prices from SolarQuotes installers), with sizes in between drawn on a straight line. The state amounts come from each state's scheme page.

Get quotes for this battery

Accredited installers near you quote with the rebate already taken off, so you can compare the real price. It is free and there is nothing to sign.

Sigenergy SigenStor rebate for each size

Each SigenStor BAT 8.0 module stores 8.06 kWh, and 7.8 kWh of that is usable. A single stack holds up to six modules. Because the federal discount is based on usable kWh, an install by 31 December 2026 gives $2,120 for the 1 x BAT 8.0 and $6,840 for the 6 x BAT 8.0.

Battery	Certificates	Federal discount	From January 2027
1 x BAT 8.0 (7.8 kWh)	53	$2,120	$1,760
2 x BAT 8.0 (15.6 kWh)	101	$4,040	$3,400
3 x BAT 8.0 (23.4 kWh)	133	$5,320	$4,440
4 x BAT 8.0 (31.2 kWh)	155	$6,200	$5,200
5 x BAT 8.0 (39 kWh)	163	$6,520	$5,480
6 x BAT 8.0 (46.8 kWh)	171	$6,840	$5,720

One stacked unit holds the battery, inverter and EV charger together. Details from the Sigenergy product page.

Does the Sigenergy SigenStor qualify for the rebate?

To qualify, it has to be a model the Clean Energy Council has approved, connected to solar, and fitted by an installer accredited with Solar Accreditation Australia. Your installer makes sure your exact model and inverter are on that list when they quote. What it is: lithium iron phosphate in modules of 7.8 kWh usable.