Side by side
VPP-capable vs VPP-enrolled battery: what the STC rules need
In short
The Cheaper Home Batteries Program asks for a VPP-capable battery, meaning the product can connect to a virtual power plant. Being enrolled in a VPP is a separate, commercial step that some state schemes require. Do not assume one implies the other.
Two phrases get used as if they were one: “VPP-capable” and “VPP-enrolled”. For battery STCs and for state incentives they mean different things, and mixing them up causes bad quotes and, occasionally, bad claims.
The difference
| VPP-capable | VPP-enrolled | |
|---|---|---|
| What it describes | The battery product can connect to a virtual power plant | The battery is actually signed up to a VPP operator or retailer plan |
| Who decides | The product, as listed and approved | The customer, with a retailer or aggregator |
| Federal STC requirement | Yes: CEC-approved, VPP-capable battery | Not the same requirement; confirm current rules |
| NSW BESS2 | Needed to connect | Yes: the incentive rewards the connection |
| WA scheme | Needed | VPP-required |
The federal program’s other conditions are a CEC-approved battery, an accredited installer, usable capacity of 5 to 100 kWh with up to 50 kWh eligible, one per property, and compatibility with new or existing solar. Our Cheaper Home Batteries installer guide walks through them.
What this means at the quote
When a customer asks “do I have to join a VPP?”, the accurate answer for the federal STCs is that the battery must be capable of it. Whether the customer joins one is a separate decision that depends on the offer in front of them. In NSW, joining a VPP can unlock the BESS2 incentive, so the choice has money attached; see PDRS BESS1 vs BESS2. In WA the scheme requires it.
Retailer VPP plans
Customers will ask which retailer VPP is best, often naming AGL, Origin or Amber. We have not compared these. Each retailer’s terms, credits and obligations sit on its own site and change without notice, and several of those pages were not available to us to quote from. If you want to help a customer choose, give them questions rather than a ranking:
- What do I earn for letting the retailer dispatch my battery, and how is it paid?
- Can I leave the plan, and what happens to the battery’s settings if I do?
- What does the plan require of my solar, tariff and metering?
- Does the plan affect my warranty?
How the claim sees it
On an STC claim, the product’s VPP capability comes from the approved product listing, and your installation evidence has to match. See the battery submission guide and photo requirements. Evidence rules for batteries tightened from 1 March 2026.
Common mistakes
Three errors show up regularly. The first is telling a customer they must join a VPP to receive the STC discount, which overstates the federal requirement. The second is the opposite: assuming a state incentive needs nothing more than a capable battery, when the NSW BESS2 incentive rewards an actual connection. The third is promising a specific VPP payment, which belongs to the retailer or operator and may change. Keep your quote to what you control: the battery’s eligibility, the STC calculation and the installation evidence. If the customer wants to join a VPP, give them the questions above and let them read the offer. That keeps you accurate and keeps responsibility for the plan terms with the party that sets them.
A fair verdict
VPP-capable is a product feature; VPP-enrolled is a customer arrangement. For federal STCs the first matters; for some state incentives the second does too. Check the scheme page for the incentive you are quoting. For how this fits with the STC factor, see battery rebate before and after 1 May 2026, the battery STC pillar and /pricing/.
How we wrote this. Energy Merchants is a certificate trader, so we have a horse in this race. Statements about other providers are taken from their own public websites on the date shown above and are attributed. If something here is out of date, tell the desk and we will fix it.
Sources: Clean Energy Regulator: Cheaper Home Batteries Program · NSW Energy Sustainability Schemes: Peak Demand Reduction Scheme
Questions
Before you decide
Does my battery have to be enrolled in a VPP to get STCs?
Where is VPP enrolment required?
Which retailer VPP is best?
More comparisons
Keep comparing
Solar hot water vs heat pump: which is better in 2026
Solar hot water and heat pump water heaters compared for 2026: how each works, how STCs apply, running cost factors, climate and what to check before choosing.
Accreditation compared: VEU, NSW ACP, SAA and CEC for installers
VEU accreditation versus using an accredited provider, NSW Accredited Certificate Providers versus traders, and what SAA and CEC cover for solar and heat pump installers.
VEEC vs Solar Victoria rebate: what is the difference
VEECs and Solar Victoria rebates are different things. How each works, who receives the benefit, who administers it and where installers and households meet them.
Compare us on the thing that matters: when the money lands.
Sign up, lodge one claim, and judge us on the settlement. No lock-in, nothing to cancel.