Solar and batteries in Banksia Grove: what the local data shows

Where Banksia Grove is

Banksia Grove is 28 km north of the Perth CBD. Postcode 6031 covers Banksia Grove, Carramar and Neerabup: about 6,071 occupied homes and 18,645 people at the 2021 Census. Wanneroo next door has more batteries for its size (86 per 1,000 homes against 79 here).

What stands out in Banksia Grove

• 13% of homes are owned outright, against 28% across Perth.
• Homes here moved early on batteries: the postcode's share of Perth's new batteries was 1.1% in late 2025 and 0.9% in 2026.
• 20% of homes are rented, fewer than the 27% across Perth.
• Larger households: 3 people on average (2.6 across Perth), which usually means more power used in the evening.

Batteries in Banksia Grove since the federal rebate began

481 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 21.1 kWh, about the Perth average. Installs went from 25 in July 2025 to a high of 57 in April 2026, the same month as Perth as a whole. Its share of Perth's new batteries eased from 1.1% in the second half of 2025 to 0.9% in 2026, as other suburbs caught up.

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

Banksia Grove's solar story since 2001

161 systems went in before 2011. The busiest year was 2020 (514), in the second wave of rooftop solar, and the quietest since 2011 was 2013. 2025 brought 254, 49% of that peak. Systems grew from an average of 2.3 kW in 2011 to 9 kW in the last 12 months.

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

Banksia Grove beside its neighbours

• Joondalup, 5 km south-west: fewer batteries for its size, less new solar in the past year, fewer separate houses and more renters, with batteries of a similar size.
• Wanneroo, 6 km south: bigger batteries, more new solar in the past year and fewer renters, with about as many batteries for its size.
• Currambine, 7 km south-west: fewer batteries for its size and fewer renters, with batteries of a similar size.
• Clarkson, 8 km west: fewer batteries for its size, less new solar in the past year and more 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 kW system makes about 15,350 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 Banksia Grove

A vetted installer covers postcode 6031, and you meet one at a time (how we choose them).

Nearby: Joondalup · Wanneroo · Currambine · Clarkson · every suburb · Perth guide