Rooftop solar
Rooftop Solar in Australia: Prices, Rebates and How to Buy
What solar costs where you live, the rebates that apply, how to choose panels, inverters and an installer, and how long a system takes to pay for itself. Prices are from the October 2026 Solar Choice index; output and rebate rules from the Clean Energy Regulator.
- 6 kW system
- $6,330
- national average, installed
- Cheapest city
- Perth
- $5,030 for 6 kW
- 6.6 kW STCs
- 45
- Sydney, 2026
- 6.6 kW output
- 25 kWh
- a day, zone 3 average
Start here
Estimate output and savings, then check prices and rebates for your state.
- Solar calculatorOutput, savings and payback for any system size.
- Solar panel costInstalled prices for every common system size in every capital city, from the October 2026 Solar Choice Price Index, with the STC discount already taken off.
- Solar rebatesThe federal STC discount applies everywhere.
- Home batteriesBattery prices, rebates, brands and a payback calculator.
Solar prices by size
National averages for a standard installation, after the STC discount. Each size has its own city-by-city page.
| Size | Standard | Premium | Deemed output a day |
|---|---|---|---|
| 3 kW | $4,130 | $4,890 | 11.4 kWh |
| 4 kW | $4,880 | $5,800 | 15.1 kWh |
| 5 kW | $5,550 | $6,630 | 18.9 kWh |
| 6 kW | $6,330 | $7,550 | 22.7 kWh |
| 7 kW | $7,070 | $8,440 | 26.5 kWh |
| 10 kW | $9,810 | $11,700 | 37.9 kWh |
Panels and inverters
Warranties, technology and where each brand sits on price.
- Solar panelsJinko, LONGi, Canadian Solar, Maxeon (SunPower), REC.
- Solar invertersFronius, Sungrow, Enphase, SolarEdge.
- JinkoJinko is one of the most common panel brands on Australian roofs.
- LONGiLONGi is the world's biggest maker of monocrystalline silicon.
- Canadian SolarCanadian Solar is a long-standing mid-range brand.
- Maxeon (SunPower)Maxeon, which sells SunPower-branded panels outside the US, makes some of the most efficient and most expensive panels sold in Australia.
- RECREC is a premium panel brand known for heterojunction cells and a warranty that can cover labour as well as parts, through certified installers.
- FroniusFronius is an Austrian, family-owned maker and one of the best-known premium string inverter brands in Australia, with a local service network.
- SungrowSungrow is one of the world's largest inverter makers and a common value choice on Australian homes, with a matching battery range.
- EnphaseEnphase is the leading microinverter brand.
- SolarEdgeSolarEdge pairs a central inverter with an optimiser on each panel, giving panel-level control and monitoring without putting inverters on the roof.
Buying solar
Sizing, quotes, installers and what a system pays back.
- What size solar systemThe right size depends on how much power you use, when you use it, your roof and your network.
- Solar payback periodThe payback period is the number of years your bill savings take to cover the cost of the system.
- Comparing solar quotesTwo quotes for the same size system can be thousands of dollars apart.
- Choosing a solar installerThe installer matters as much as the panels.
- Solar and battery packagesBuying solar and a battery together can save on inverters and installation.
Rebates and certificates
How the federal discount works.
- STCs explainedThe federal solar rebate is not a cheque.
- Solar rebates in VictoriaVictoria still offers a state rebate for rooftop solar on top of the federal discount.
- Solar rebates in New South WalesNSW has no blanket solar rebate, but lower-income households, owners wanting a loan and apartment buildings can all get help on top of the federal discount.
Design and equipment
Roof direction, shade and inverter types.
Owning solar
Keeping a system working and getting more from it.
- Solar monitoringA solar system can stop working without anyone noticing.
- Cleaning solar panelsRain does most of the work on tilted panels.
- Solar in a blackoutMost people are surprised the first time their solar goes dark with the grid.
- Charging an EV with solarSolar and electric cars are a natural pair, but only when the car is home in daylight.
Beyond rooftop panels
Hot water and life off the grid.