Solar and batteries in Gosnells: what the local data shows

Where Gosnells is

Gosnells is 19 km south-east of the Perth CBD. Postcode 6110 covers Gosnells, Huntingdale, Martin and Southern River: about 15,341 occupied homes and 44,873 people at the 2021 Census. Canning Vale next door has more batteries for its size (109 per 1,000 homes against 71 here).

What stands out in Gosnells

• 89% of homes are separate houses (78% across Perth), so most homes have a roof and switchboard of their own.
• 24% of homes are owned outright, against 28% across Perth.
• Larger households: 2.8 people on average (2.6 across Perth), which usually means more power used in the evening.
• 47 new solar systems per 1,000 homes in the last 12 months, 13% above the Perth rate: solar is still going on roofs here quickly.

Batteries in Gosnells since the federal rebate began

1,082 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 24 kWh (larger than the Perth average of 21.8 kWh). Installs went from 33 in July 2025 to a high of 131 in April 2026, the same month as Perth as a whole. About 2.2% of Perth's new batteries go in here, much the same as when the rebate began.

Batteries a month, Jul 2025 to Aug 2026. August 2026 is still being registered, so it reads low.

Gosnells's solar story since 2001

588 systems went in before 2011. Then came 2012, the postcode's busiest year (995), during the first rush of rooftop solar; the quietest since was 2015. 2025 brought 552, 55% of that peak. Systems grew from an average of 2 kW in 2011 to 9.2 kW in the last 12 months.

Solar systems a year from 2011 (2026 to 31 August 2026); counts include replacements and small businesses.

Gosnells beside its neighbours

• Maddington, 4 km north: fewer batteries for its size, smaller batteries, less new solar in the past year and more renters, with a similar mix of homes.
• Kelmscott, 4 km south-east: fewer batteries for its size, smaller batteries, less new solar in the past year and fewer renters, with a similar mix of homes.
• Thornlie, 5 km north-west: fewer batteries for its size, smaller batteries, less new solar in the past year and fewer renters, with a similar mix of homes.
• Canning Vale, 7 km west: more batteries for its size, more new solar in the past year and fewer renters, with batteries of a similar size.

Prices, rebates and solar output

Each kW of panels here makes about 1,700 kWh a year, so a 9.2 kW system makes about 15,550 kWh. In STC zone 3, the federal rebates come to about $1,665 on 6.6 kW of solar and $3,663 on a 15 kWh battery (the battery rebate steps down on 1 January 2027). Prices follow the installer, not the suburb: Perth prices · WA rebates.

Getting a price in Gosnells

A vetted installer covers postcode 6110, and you meet one at a time (how we choose them).

Nearby: Maddington · Kelmscott · Thornlie · Canning Vale · every suburb · Perth guide