How much does a solar and battery package cost in Australia?add
A typical 6.6kW solar + 10kWh battery package costs $18,000 to $24,000 before rebates. After the federal rebates (about $4,294 in STC Zone 3), expect to pay $13,706 to $19,706. The solar rebate moves a little with your STC zone, and in Victoria the Solar Homes rebate takes a further $1,400 off for eligible households. Bundling solar and battery together saves $1,500 to $3,000 compared to installing separately.
Is it cheaper to buy solar and battery together?add
Yes, bundling solar and battery saves $1,500 to $3,000 compared to separate installations. You save on labour (one installation visit), shared components (hybrid inverter handles both), and many installers offer package discounts. You also avoid the cost of retrofitting a battery later.
What size solar and battery package do I need?add
For an average 3 to 4 person household using 20 to 30 kWh per day, a 6.6kW solar system with a 10kWh battery is the most popular choice. Larger homes or those with EVs should consider 10kW solar with 13.5kWh+ battery. We recommend analysing your energy bills to right-size your system.
Can I get rebates on a solar and battery package?add
Yes. The federal STC rebate takes $1,482 to $2,014 off a 6.6kW solar system depending on your STC zone, and the Cheaper Home Batteries Program pays about $258/kWh on the first 14kWh of battery capacity (about $2,584 on a 10kWh battery). Some states add more: Victoria's Solar Homes rebate is $1,400 on panels for eligible households, and the WA Residential Battery Scheme pays up to $1,300 (Synergy) or $3,800 (Horizon Power). The SA Home Battery Scheme and the QLD Battery Booster have closed.
Where does "up to $8,000+" in rebates come from?add
It is the two federal programs, plus a state scheme where your state runs one. The solar STC rebate on a 13.3kW system, the largest a normal single-phase home can install, is worth $3,458 in STC Zone 3. The federal Cheaper Home Batteries discount is worth about $258 per kWh of usable capacity on the first 14kWh, roughly 30% off a typical battery, and keeps paying at a lower rate above that, so it grows with the battery. A 14kWh battery earns $3,610, which puts the two programs at $7,068. With a 24kWh battery they come to $8,626 on their own. Some states add more on top: in Perth, for example, the WA Residential Battery Scheme pays $1,300 to Synergy customers who meet its conditions, taking the 13.3kW and 14kWh system to $8,368. Your own figure depends on your system size, your STC zone and your state, and the quiz works it out.
What is included in a solar and battery package?add
A complete package typically includes: solar panels, a hybrid inverter (handles both solar and battery), the battery unit, all mounting hardware, wiring and electrical work, council approval if needed, meter reconfiguration, system monitoring setup, and the installer's workmanship warranty on top of product warranties.
How long does a solar and battery package take to install?add
Most residential solar and battery packages are installed in 1 to 2 days. The solar panels and battery are typically installed on the same day. From signing the contract, allow 4 to 8 weeks total for paperwork, approvals, and scheduling. The actual on-site work is usually completed within a single day for standard installations.