From July 2025, the federal government's Cheaper Home Batteries Program has provided a mechanism for reducing the upfront cost of eligible home battery installations across Australia. Because the incentive is applied automatically by the installer rather than claimed separately, many homeowners understand the broad idea that batteries got cheaper, without necessarily understanding the mechanism behind it. Understanding how it works helps you ask better questions of installers and interpret quotes correctly.
It works through the STC market, not a cheque in the mail
The program operates through an extension of the existing Small-scale Technology Certificate (STC) scheme, the same mechanism that has long applied to rooftop solar. Under this approach, an eligible battery installation generates a number of certificates based on its capacity and the scheme's current settings. These certificates have a market value, and accredited installers or their agents typically buy them from the homeowner at the point of sale, applying the value as an upfront discount on the invoice, rather than the homeowner needing to register, sell certificates themselves, or wait for a reimbursement.
What affects the certificate value
Certificate-based incentive value is influenced by several factors that can change over time, including the battery's usable capacity, the applicable certificate deeming period, and market pricing for certificates, which fluctuates similarly to how STC values for solar have moved over the life of that scheme. This means the exact discount amount is not a fixed dollar figure fixed forever, it is a function of scheme settings and market conditions at the time of installation.
Eligibility generally depends on product and installation standards
As with the solar STC scheme, eligibility for the battery incentive generally depends on using approved equipment and having the installation carried out by an appropriately accredited installer, in line with relevant Australian standards. Not every battery product on the market is necessarily eligible, and not every installer is necessarily accredited to process the incentive. It's reasonable and sensible to ask directly whether a specific proposed battery model and installer are eligible under the program before proceeding.
How this interacts with state-based schemes
Some states run their own battery incentive mechanisms in parallel, for example, NSW's Peak Demand Reduction Scheme (PDRS) includes battery incentive pathways, and other jurisdictions have historically run their own battery rebate or loan programs at various times. Where a federal and a state incentive both apply to the same installation, program rules govern how they interact, in some cases incentives can stack, in others there are offsets or eligibility conditions that affect combined value. This is genuinely one of the more complex parts of incentive planning, and it's an area where a specific, current quote from an accredited installer is far more reliable than a general rule of thumb.
What to check before signing a quote
- Confirm the specific battery model is currently eligible under the federal program.
- Confirm the installer is accredited to process the STC-based discount.
- Ask whether the quoted price already has the discount applied, or is before it is applied.
- Ask whether any state-based incentive also applies to your installation, and how the two interact.
- Confirm current program rules directly, since settings and eligibility criteria can be updated over time.
A discount, not a determinant
The federal incentive materially reduces the upfront cost of an eligible battery installation for many households, but it shouldn't be the sole reason to purchase a battery, or to choose one battery size over another. The right starting point remains your household's actual load profile and solar generation, the incentive is best treated as a genuine cost reduction on a decision that is otherwise grounded in your energy usage and goals.
Run your own numbers
Federal Battery Incentive Calculator
Take what you've just read and model it against your own property, free, no details required.
This article is general information, not financial or electrical advice. Program rules and eligibility change, confirm current settings with the relevant scheme or your Esena engineer before making decisions. Last reviewed: August 2026.