For installers
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Sell your STCs
Published rate, zero fees, 24-hour settlement for established partners.
Battery STCs
Cheaper Home Batteries Program claims, pre-checked so they clear first time.
100 kW to 1 MW
Mid-scale solar creates STCs from 1 October 2026. Register interest.
STC calculator
Postcode, kW and year in; certificates and dollars out.
Checklists and guides
Photo requirements, assignment forms, battery submission, audits.
Partner Program
Rate premiums, priority settlement and referral credits as your volume grows.
By topic
Everything an installer asks the desk
Battery STCs and the Cheaper Home Batteries Program 165
- How much is the battery rebate for a 10, 13.5 or 20 kWh battery?
- How much is the rebate on a 15, 20, 25 or 28 kWh battery?
- How much is the rebate on a 30, 40 or 50 kWh battery?
- Is a 30 or 40 kWh battery worth it with the tiered rebate?
- How much is the rebate on a 5, 6.5, 8, 10 or 13.5 kWh battery?
- Does the ACT Sustainable Household Scheme cover batteries?
STC prices, market and policy 105
- Will the battery rebate rates change again, and is there a review?
- How do I calculate battery STCs for a home battery?
- How do you get the best STC price?
- How is the battery rebate funded after the 4.9 billion budget top-up?
- How do you buy STCs from the Clearing House?
- What is the CER compliance push on installers and new STC rules in 2026?
Installer business, cash flow and tax 89
- How do I become a Solar Accreditation Australia (SAA) installer?
- What is the best app for STC forms, photos and CRM for installers?
- Did CEC accreditation transfer to SAA, and what is the difference?
- Do I charge GST on STCs?
- How do I check an SAA accreditation number or search for an installer?
- How to check an STC trader is legitimate (registered agent, ABN, track record)
VEECs and Victorian Energy Upgrades 71
- How many VEECs does a commercial LED retrofit create?
- How many VEECs does a heat pump hot water system create?
- What is a VEEC?
- What are a VEEC accredited person's obligations and record rules?
- What is a VEEC aggregator and do you need one?
- How does the VEU ceiling insulation activity work?
LGCs, mid-scale and commercial solar 58
- Is a 100 kW solar system eligible for LGCs or STCs?
- Is behind-the-meter solar eligible for LGCs?
- What solar rebates are available for businesses in Australia?
- Can I claim LGCs and STCs together on the same solar system?
- What are the finance options for commercial solar?
- LGCs for commercial solar above 100 kW: when they still apply
Compliance, photos, audits and rejections 57
- How do AS/NZS 3000 and AS/NZS 4777 inverter settings affect STCs?
- Does AS/NZS 5033 affect STC eligibility, and what counts as non-compliant?
- What does AS/NZS 5139 require for battery installation?
- What photos does the CER need for batteries in 2026?
- What happens in a CER audit of a solar installer?
- What to expect from a CER audit letter or compliance notice
NSW ESCs and PDRS 49
- How do you become an ACP in NSW?
- BESS1 suspended: what does it mean, and what is BESS2?
- What is an ESC in NSW?
- What is an ESC in NSW, and what is the ESC price today?
- ESC price: what an NSW Energy Savings Certificate is worth
- What is the ESC price this month in NSW?
Hot water and heat pump STCs 48
- How to check hot water STC eligibility using the CER register
- How to claim STCs on a heat pump
- How much does a heat pump hot water system cost after STCs?
- How to start a heat pump installation business and make STCs pay
- Heat pump hot water rebate in Australia
- Heat pump hot water STCs for installers
Choosing and switching STC traders 41
- STC aggregator vs trader vs registered agent: what is the difference?
- What is the best price for registered and unregistered STCs?
- Best STC trader in Australia: how to judge one
- Who pays STCs fastest in Australia, and is instant payment real?
- How do I get the best STC price as an installer?
- What is a good STC trader price per certificate?
STCs by system size, type and zone 35
- Can you claim STCs for adding panels to an existing solar system?
- Do solar bore pumps, water pumps and irrigation systems get STCs?
- Can caravan, motorhome and tiny home solar earn STCs?
- Do churches, schools, councils and not-for-profits get solar STCs?
- Do DC-coupled, AC-coupled and battery-only installs earn STCs?
- Can a granny flat get its own solar STCs?
Lodging claims: registry, paperwork and payment timing 35
- Can you claim STCs when adding panels to an existing system?
- How do you become a registered agent for STCs?
- How do NSW solar installers lodge the CCEW (Certificate of Compliance)?
- Victoria Certificate of Electrical Safety for solar: who lodges it and when?
- How do you create STCs in the REC Registry, one at a time or in bulk?
- Do you need distributor (DNSP) approval before or after solar installation for.
Approved products and installer accreditation 21
- Where is the approved solar products list in Australia?
- What are the battery size limits for STCs: 5 kWh minimum, 100 kWh maximum?
- Battery product eligibility rules under the Cheaper Home Batteries Program
- Does a battery have to be VPP ready to get STCs?
- Are bifacial, flexible, thin film and roof tile panels STC eligible?
- What does CEC approved mean for panels, inverters and batteries?
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