Buying guide · 3 min read
Quick answer
A proper quote names the exact panel, inverter and battery models, their sizes, the warranties and who honours them, any extra work such as switchboard upgrades, the rebate applied, and the accredited installer doing the job. If a quote is vague on any of these, ask before you compare prices.
The equipment, by exact model:
The sizes: total panel kW, inverter kW and usable battery kWh. Usable capacity is what you can actually use. See usable versus total battery capacity.
The warranties: product warranties for panels, inverter and battery, the panel performance warranty, and the installer's workmanship warranty. Ask who you call if something goes wrong.
The work: mounting, cable runs, switchboard changes, backup wiring, network applications and commissioning. Extra work such as a switchboard upgrade or three-phase changes should be listed separately.
The money: the price after any rebate, how the rebate is applied, GST, and the payment schedule.
The people: the company, its accreditation, and whether the installers are its own team or subcontractors.
Two quotes can look similar and be very different jobs. One may include backup and a switchboard upgrade; another may not. One battery's headline kWh may be total, not usable, capacity. Without these details you can't compare prices fairly.
We installed 10.1 kW of JA Solar panels with a 33 kWh GoodWe battery in Braemar, in the Southern Highlands. The quote listed each piece of equipment by model, the battery's capacity, the warranties and the work involved, so the owners knew exactly what they were getting.
A free proposal first, then a fixed quote after a site inspection, with any extra work listed separately. Battery prices start from the range on our battery prices page.
A real Panda Power install that shows this topic in practice.
Home batteries from $6,999 to about $15,999
base prices after rebates, inc GST, as at October 2026
What affects the price: battery size, brand and inverter, whether you already have solar, backup wiring, and any additional work at your home.
Base price for a standard install, after government rebates, inc GST, as at October 2026. Additional work such as switchboard upgrades, three-phase changes or complex installs is reviewed and quoted separately.
More practical guides from the Panda Power team.
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Install before 1 January 2027
