Solar and batteries in Scarborough: what the local data shows

Where Scarborough is

Scarborough is 10 km north-west of the Perth CBD. Postcode 6019 covers Scarborough, Wembley Downs: about 9,981 occupied homes and 24,351 people at the 2021 Census. Wembley next door has more batteries for its size (57 per 1,000 homes against 36 here).

What stands out in Scarborough

• 45% of homes are separate houses (78% across Perth), so more homes share a roof or need strata approval.
• 22 new solar systems per 1,000 homes in the last 12 months, about half the Perth rate: fewer roofs are still getting their first system.
• 36 home batteries for every 1,000 homes since Jul 2025, about half the Perth rate.
• Homes here moved early on batteries: the postcode's share of Perth's new batteries was 0.8% in late 2025 and 0.7% in 2026.

Batteries in Scarborough since the federal rebate began

362 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 19.4 kWh (smaller than the Perth average of 21.8 kWh). Installs went from 30 in July 2025 to a high of 42 in March 2026, 1 month before Perth's busiest month (April 2026). Its share of Perth's new batteries eased from 0.8% in the second half of 2025 to 0.7% 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.

Scarborough's solar story since 2001

188 systems went in before 2011. The busiest year was 2020 (295), in the second wave of rooftop solar, and the quietest since 2011 was 2015. 2025 brought 166, 56% of that peak. Systems grew from an average of 2.1 kW in 2011 to 9.3 kW in the last 12 months.

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

Scarborough beside its neighbours

• Karrinyup, 3 km north: more batteries for its size, more new solar in the past year, more separate houses and fewer renters, with batteries of a similar size.
• Balcatta, 6 km north-east: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.
• Wembley, 6 km south-east: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.
• Mount Hawthorn, 7 km east: more batteries for its size, more new solar in the past year and more separate houses, with batteries of a similar size.

Prices, rebates and solar output

Each kW of panels here makes about 1,750 kWh a year, 5% more than in the Perth CBD, so a 9.3 kW system makes about 16,100 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 Scarborough

A vetted installer covers postcode 6019, and you meet one at a time (how we choose them).

Nearby: Karrinyup · Balcatta · Wembley · Mount Hawthorn · every suburb · Perth guide