Solar Installers in Sydney

From the Northern Beaches to Penrith: what to know before you choose a solar installer in Greater Sydney, from the two networks to what a typical system costs. Every match is one Why Solar Approved installer who has passed all six of our checks.

Systems installed in the last 12 months
38,383
Peak sun hours a day
4.5
Typical 6.6 kW system, installed, before the STC rebate
$5,800 to $7,500
STC rebate on a 6.6 kW system
~$1,710

The install figure is the Clean Energy Regulator's postcode data for Greater Sydney.

Sydney regions and suburbs

Inner West
Ashfield, Burwood, Strathfield, Canterbury
Northern Sydney
Chatswood, North Sydney, Willoughby, Lane Cove
Northern Beaches
Manly, Dee Why, Mona Vale, Avalon
Western Sydney
Parramatta, Blacktown, Penrith, Liverpool
South Sydney
Sutherland, Hurstville, Kogarah, Cronulla
Hills District
Castle Hill, Baulkham Hills, Kellyville, Rouse Hill

Solar in Sydney

Network providers

Sydney is covered by two electricity networks: Ausgrid (eastern Sydney, the Inner West, the North Shore and the Northern Beaches) and Endeavour Energy (western Sydney, the Blue Mountains and the Southern Highlands).

Solar potential

Sydney averages about 4.5 peak sun hours a day. A typical 6.6 kW system will produce an estimated 25 kWh a day on average, after a 15% allowance for losses, enough to cover most households' electricity needs.

System sizes

A 6.6 kW array on a 5 kW inverter is the usual starting point, sized to the single-phase export limit. Larger homes and those with EVs often go to 10 kW or more, and the average system installed in Greater Sydney over the last 12 months was 11.5 kW.

What affects pricing

  • Multi-storey homes may cost more due to access difficulty
  • Tile roof installations are standard; flat or metal roofs may vary
  • Inner city locations often have higher labour costs
  • Switchboard upgrades may be needed in older homes

One installer, one written quote, and an expert call before you sign.

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