Solar and batteries in South Fremantle: what the local data shows

Where South Fremantle is

South Fremantle is 16 km south-west of the Perth CBD. Postcode 6162 covers South Fremantle, Beaconsfield and White Gum Valley: about 4,832 occupied homes and 12,074 people at the 2021 Census. Coogee next door has more batteries for its size (65 per 1,000 homes against 57 here).

What stands out in South Fremantle

• 37% of homes are owned outright, against 28% across Perth.
• Smaller households: 2.3 people on average (2.6 across Perth), so evening use is usually lower.
• Smaller batteries than most of Perth: 17.5 kWh on average, against 21.8 kWh.
• A median age of 43, older than Perth's 38.

Batteries in South Fremantle since the federal rebate began

274 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 17.5 kWh (smaller than the Perth average of 21.8 kWh). Installs went from 6 in July 2025 to a high of 40 in April 2026, the same month as Perth as a whole. About 0.6% 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.

South Fremantle's solar story since 2001

293 systems went in before 2011. Then came 2011, the postcode's busiest year (219), during the first rush of rooftop solar; the quietest since was 2015. 2025 brought 128, 58% of that peak. Systems grew from an average of 2.1 kW in 2011 to 8.6 kW in the last 12 months.

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

South Fremantle beside its neighbours

• Spearwood, 5 km south-east: fewer batteries for its size, bigger batteries and less new solar in the past year, with a similar mix of homes.
• Bicton, 5 km north-east: fewer batteries for its size, bigger batteries, less new solar in the past year, fewer separate houses and fewer renters.
• Coogee, 6 km south: more batteries for its size, bigger batteries, more new solar in the past year, more separate houses and fewer renters.
• Melville, 6 km north-east: bigger batteries and fewer renters, with about as many batteries for its size.

Prices, rebates and solar output

Each kW of panels here makes about 1,650 kWh a year, so an 8.6 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 South Fremantle

A vetted installer covers postcode 6162, and you meet one at a time (how we choose them).

Nearby: Spearwood · Bicton · Coogee · Melville · every suburb · Perth guide