Solar and batteries in Wellard: what the local data shows

Where Wellard is

Wellard is 35 km south of the Perth CBD. Postcode 6170 covers Wellard, Leda: about 5,648 occupied homes and 17,329 people at the 2021 Census. Of its nearest neighbours, it has the most home batteries for its size.

What stands out in Wellard

• 11% of homes are owned outright, against 28% across Perth.
• 120 home batteries for every 1,000 homes since Jul 2025, about twice the Perth rate.
• 74 new solar systems per 1,000 homes in the last 12 months, about twice the Perth rate: solar is still going on roofs here quickly.
• 19% of the postcode's solar went in between 2011 and 2015 (29% across Perth).

Batteries in Wellard since the federal rebate began

676 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 21.6 kWh, about the Perth average. Installs went from 11 in July 2025 to a high of 98 in April 2026, the same month as Perth as a whole. The postcode's share of the city's new batteries rose from 1.2% in the second half of 2025 to 1.5% in 2026.

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

Wellard's solar story since 2001

115 systems went in before 2011. The busiest year was 2020 (532), in the second wave of rooftop solar, and the quietest since 2011 was 2013. 2025 brought 302, 57% of that peak. 44% of its 4,861 systems went in from 2021, against 40% across Perth, so much of the postcode's solar is already sized for a battery. Systems grew from an average of 2.1 kW in 2011 to 8.5 kW in the last 12 months.

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

Wellard beside its neighbours

• Bertram, 2 km north-west: fewer batteries for its size, less new solar in the past year and more renters, with batteries of a similar size.
• Baldivis, 7 km south-west: smaller batteries, more new solar in the past year and fewer renters, with about as many batteries for its size.
• Rockingham, 12 km west: fewer batteries for its size, smaller batteries, less new solar in the past year, fewer separate houses and more renters.
• Warnbro, 13 km south-west: fewer batteries for its size, smaller batteries and less new solar in the past year, with a similar mix of homes.

Prices, rebates and solar output

Each kW of panels here makes about 1,700 kWh a year, so an 8.5 kW system makes about 14,350 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 Wellard

A vetted installer covers postcode 6170, and you meet one at a time (how we choose them).

Nearby: Bertram · Baldivis · Rockingham · Warnbro · every suburb · Perth guide