All guides

Every condition a home battery must meet to create STCs under the Cheaper Home Batteries Program — CEC list, VPP capability, SAA installer, AS/NZS 5139, one per NMI, stays to 2030.

How the battery STC factor works after 1 May 2026 — the six-monthly step-downs to 2030, the 14, 28 and 50 kWh tiers, worked examples and why the install date matters.

Why a battery's saving is the gap between your import rate and feed-in tariff, how falling feed-in rates, the Solar Sharer Offer and Midday Power Saver change that gap, with examples.

What makes one home battery quote dearer than another — usable kWh, inverter type, backup, switchboard and phase, brand and warranty — with an illustrative price build-up.

The 2026 home battery rebate explained — Cheaper Home Batteries Program STC factors after 1 May 2026, size tiers, eligibility, state incentives and how to check a quote.

How STCs discount rooftop solar in 2026 — system size, postcode zone, the deeming period that falls each year to 2030, a worked example and how it combines with a battery.

Which state and territory battery incentives are open in October 2026 — the NSW VPP incentive, WA Residential Battery Scheme, Victorian loans, ACT loans — and how they stack with the federal discount.

How a VPP uses your home battery, how payments and incentives work in NSW and WA, the trade-offs for your own savings, and the contract terms to compare before joining.

How to add a home battery to an existing rooftop solar system in Australia — VPP-capable inverter rule, AC- vs DC-coupled options, export limits, old systems and quote questions.

Does a home battery work in a power outage? How backup works in Australia, essential-circuit vs whole-home options, power limits, sizing for outages and quote questions.

Compare home battery quotes in Australia on net price per usable kWh, itemised extras, the STC discount shown, warranties, payment terms and installer accreditation.

The ways to pay for a home battery in Australia — cash, green and home loans, interest-free retail finance, WA and ACT loans — with the total cost of each worked out.

A step-by-step battery payback calculation for an Australian home with illustrative numbers — net price after STCs, daily saving, losses, tariff changes and sensitivity tests.

Size a home battery in Australia from your smart-meter data — evening and overnight use, spare solar, power in kW, seasons — and why the 14 kWh discount tier matters.

A worked example pricing a new rooftop solar and home battery package in Australia with both solar and battery STCs, compared with solar alone, using illustrative numbers.

Where a home battery can and cannot be installed in Australia under AS/NZS 5139, heat and ventilation, garage and outdoor sites, labelling photos, recalls and what to do after a fault.

How home battery warranties work in Australia — years, throughput and retained capacity limits, workmanship warranties — and the ACL consumer guarantees that apply on top.

Check a home battery installer and seller in Australia — Solar Accreditation Australia battery endorsement, state electrical licence, NETCC approved seller and CER ineligible list.

The home battery mistakes that cost Australian households money — sizing to the discount, staying on the wrong tariff, ignoring winter, quote gaps, install-date slips and VPP lock-ins.

Australian Consumer Law rules for batteries sold at your door or by unsolicited phone call — permitted hours, the 10 business day termination period, no payment, and how to cancel.

Battery not performing, installer gone, VPP billing wrong or unsafe work? The order of complaint in Australia — seller, fair trading, energy ombudsman, CER, safety regulator.