New South Wales is one of only two states adding anything on top of the federal rebate, but the NSW incentive works differently to a straight discount and the amount you actually see is smaller than the headline. Here is what stacks and what to expect on the invoice.
Scheme factors last reviewed
Most popular home batteries are 10 to 15 kWh usable. Check your battery's datasheet for the usable (not nominal) capacity.
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We will send your personalised estimate summary plus a plain-English checklist of what you need to be eligible for the CHBP in 2026.
Since 1 March 2026 the Clean Energy Regulator requires geotagged, timestamped photos of battery labelling and serial numbers on every STC claim, and uses automated checks to reject the ones that fall short. NSW installs move to the mandatory CER (Consumer Energy Resources) Installer Portal from mid-2026 with CSIP-AUS backstop-enabled inverters, and solar panels not certified to IEC 61730:2023 came off the approved list on 1 May. Get the free one-page checklist covering all three, plus CEC approved-product, SAA accreditation, STC assignment and DNSP notification.
Two incentives apply in NSW, though only one is a straight discount:
| Federal CHBP discount | 6.8 STCs per usable kWh for the first 14 kWh, applied by your installer as a point-of-sale discount. Roughly $250 per usable kWh at current certificate prices. |
| NSW Peak Demand Reduction Scheme | Typically several hundred dollars and up to around $1,100 net for connecting your battery to a Virtual Power Plant, varying with battery size, location and certificate prices. Paid through an Accredited Certificate Provider or your VPP operator, not by the state directly, and their fees come out of it before you see it. |
The NSW top-up comes through the Peak Demand Reduction Scheme, which is a certificate scheme aimed at reducing grid demand at peak times, not a consumer rebate program. You do not apply to the government. An Accredited Certificate Provider creates certificates against your battery's VPP connection and passes on a share of their value.
That structure explains the gap between the numbers quoted online and what lands. The gross certificate value is higher than the net amount, because the provider takes a fee. Up to around $1,100 net is the current realistic ceiling depending on battery size and location, and the scheme target was reduced for 2026-27, so treat the top of the range as optimistic rather than expected.
VPP connection is the condition. Unlike the federal rebate, where the battery only has to be VPP-capable, the NSW incentive requires an actual VPP enrolment through a participating provider. If you are not joining a VPP, budget on the federal discount alone.
Separate from the PDRS, the NSW Home Energy Saver launched on 17 June 2026: zero-interest loans of up to $15,000 over ten years for households with combined taxable income up to $210,000, covering batteries among other upgrades, and it stacks with the federal discount. Targeted discounts of up to $4,000 for lower-income households are slated for later in 2026. A loan changes how you pay rather than what you pay, so it is not added to the estimate above.
Your network operator is Ausgrid, Endeavour Energy or Essential Energy depending on where you are. From mid-2026 NSW installers register every install through the CER (Consumer Energy Resources) Installer Portal and new systems must be backstop-enabled to the CSIP-AUS standard, meaning the network can curtail exports in rare grid emergencies. Your installer handles this, but it is worth confirming your quoted inverter is compliant.
Sydney and most of coastal NSW sit in STC zone 3 (rating 1.382). Inland NSW falls into zone 2, which earns more certificates on the solar side, so a postcode sharpens the estimate west of the divide.
See every factor behind these numbers, including the certificate price we assume and what we deliberately do not model.