Solar and batteries in Subiaco: what the local data shows

Where Subiaco is

Subiaco is 3 km west of the Perth CBD. Postcode 6008 covers Subiaco, Daglish and Shenton Park: about 6,864 occupied homes and 16,131 people at the 2021 Census. Nedlands next door has more batteries for its size (64 per 1,000 homes against 44 here).

What stands out in Subiaco

• 21 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.
• 48% of homes are separate houses (78% across Perth), so more homes share a roof or need strata approval.
• 41% of homes are rented, more than the 27% across Perth.
• 44 home batteries for every 1,000 homes since Jul 2025, 33% below the Perth rate.

Batteries in Subiaco since the federal rebate began

299 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 19.3 kWh (smaller than the Perth average of 21.8 kWh). Installs went from 16 in July 2025 to a high of 33 in December 2025, 4 months before Perth's busiest month (April 2026). Its share of Perth's new batteries eased from 0.7% in the second half of 2025 to 0.6% 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.

Subiaco's solar story since 2001

144 systems went in before 2011. The busiest year was 2021 (191), in the second wave of rooftop solar, and the quietest since 2011 was 2013. 2025 brought 142, 74% of that peak. Systems grew from an average of 2.5 kW in 2011 to 9.1 kW in the last 12 months.

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

Subiaco beside its neighbours

• Wembley, 2 km north-west: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.
• Mount Hawthorn, 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.
• Nedlands, 4 km south-west: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.
• Mount Lawley, 5 km east: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.

Prices, rebates and solar output

Each kW of panels here makes about 1,700 kWh a year, so a 9.1 kW system makes about 15,300 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 Subiaco

A vetted installer covers postcode 6008, and you meet one at a time (how we choose them).

Nearby: Wembley · Mount Hawthorn · Nedlands · Mount Lawley · every suburb · Perth guide