Every state program, the federal certificate rules and a calculator — all read from the same library SunLedger uses to price a real quote. When a program changes in the product, it changes here.
Programs open in each state today, from the library our quotes use. Tap a state to see them.
State and territory programs that a SunLedger quote can apply today. Amounts are what the product uses; every program has its own eligibility, linked on each card.
No state program is open in Tasmania right now. The Energy Saver Loan Scheme closed on 1 September 2025. The federal certificates still apply.
No state program is open in the Northern Territory right now. The home battery scheme closed when its funding ran out. The federal certificates still apply.
Small-scale Technology Certificates (STCs) for solar, and the Cheaper Home Batteries Program for storage. These are the rules the claims engine applies to a real claim, computed for today.
Next change, 1 January 2027: solar deeming drops to 4 years and the battery factor drops to 5.7. Quotes for installs after that date are worth less in certificates.
Zone ratings run from 1.185 to 1.622 depending on postcode. The certificate price moves daily, which is why the calculator below asks for yours.
How many certificates a system earns, by postcode and install date. Worked out exactly as a SunLedger quote is — counted, never guessed.
Enter a postcode to see the working.
An estimate for the system as described. A real claim also needs a CEC-accredited installer, approved equipment and the evidence the Clean Energy Regulator asks for.
The same rebates and certificates, doing their job. Recorded on the real product, on a demo company.
Answered from the same library and engine as everything above, so the answers move when the rules do.
9 programs in Victoria: Solar for Apartments (Owners Corporation rebate) (amount varies); Solar Victoria Homes Panel Rebate ($1,400); Solar Victoria hot water rebate (amount varies); Solar Victoria Rental Property Panel Rebate (up to $1,400); Solar Victoria Homes Interest Free Loan (up to $1,400 loan); Solar Victoria Rental Property Interest Free Loan (up to $1,400 loan); VEU air-con discount (VEECs) (amount varies); VEU commercial solar (Activity 47) (amount varies); VEU hot water discount (VEECs) (amount varies). Each has its own eligibility rules, and the federal certificates apply on top.
7 programs in New South Wales: Apartment battery incentive (BESS3) (amount varies); Commercial battery incentive (BESS4/BESS5) (amount varies); Home Energy Saver 0% loan (up to $15,000 loan); Energy Savings Scheme air-con discount (ESCs) (amount varies); Energy Savings Scheme hot water discount (ESCs) (amount varies); Peak Demand Reduction air-con discount (PRCs) (amount varies); VPP battery incentive (PDRS) (amount varies). Each has its own eligibility rules, and the federal certificates apply on top.
1 program in Queensland: Supercharged Solar for Renters (up to $3,500). Each has its own eligibility rules, and the federal certificates apply on top.
3 programs in Western Australia: Residential Battery Scheme (Horizon Power) (up to $3,800); Residential Battery Scheme (Synergy) (up to $1,300); Battery interest-free loan (up to $10,000 loan). Each has its own eligibility rules, and the federal certificates apply on top.
3 programs in South Australia: REPS air-con discount (HC2) (amount varies); REPS battery VPP incentive (VPP1) (amount varies); REPS hot water discount (WH1) (amount varies). Each has its own eligibility rules, and the federal certificates apply on top.
5 programs in the ACT: EEIS hot water offer (ActewAGL, Origin) (amount varies); Home Energy Support air-con rebate (amount varies); Home Energy Support hot water rebate (amount varies); Home Energy Support solar rebate (up to $2,500); Sustainable Household Scheme loan (up to $20,000 loan). Each has its own eligibility rules, and the federal certificates apply on top.
No state program is open in Tasmania right now. The Energy Saver Loan Scheme closed on 1 September 2025. The federal certificates still apply.
No state program is open in the Northern Territory right now. The home battery scheme closed when its funding ran out. The federal certificates still apply.
For a system installed today, 45 in Sydney (zone rating 1.382) and 39 in Melbourne (zone rating 1.185). The count is panel kW × the postcode's zone rating × 5 deeming years, rounded down. What they are worth depends on the price your certificate trader pays that day.
91 for an install today: 13.5 kWh usable is all in the first tier (100%), multiplied by the current battery factor of 6.8 and rounded down.
Yes. The battery program takes systems of 5 to 100 kWh nominal capacity (stacked modules counted together), and certificates are counted on the first 50 kWh of usable capacity. Some batteries just under 5 kWh usable are 5 kWh or more nominal and still qualify; the datasheet gives both figures.
The small-scale scheme runs to 31 December 2030. Solar deeming falls by one year every 1 January, so the same system earns fewer certificates each year it is installed later. The battery factor steps down every 1 January and 1 July.
From 1 October 2026, yes: systems over 100 kW and up to 1 MW get a fixed 5 years of STCs, whatever year they are installed (a 150 kW system in Sydney: 1036). Before that date, and above 1 MW, they create large-scale certificates (LGCs) instead.
Written by us, not generated.
What the deeming change does to a 6.6 kW quote, and how to price around it.
Read it → GlossaryDeeming, zone ratings, DNSPs, export limits — defined the way you would explain them to a customer.
Open the glossary → In SunLedgerHow the product collects the evidence, checks the claim and gets you a trader's price.
See how it works →Tell us. Programs change with little notice, and a correction from someone quoting jobs every day is worth more than our checks. Questions about SunLedger are welcome too.
Rebate figures are the amounts SunLedger applies when pricing a quote and are indicative only — every program has its own eligibility, and amounts change. Always check the program's own page, linked on each card. Certificate prices move daily and are shown inside the product, from your traders, rather than published here.
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