Solar and batteries in Coogee: what the local data shows

Where Coogee is

Coogee is 20 km south-west of the Perth CBD. Postcode 6166 covers Coogee, Henderson, Lake Coogee, Munster and Wattleup: about 3,888 occupied homes and 10,792 people at the 2021 Census. Murdoch next door has more batteries for its size (105 per 1,000 homes against 65 here).

What stands out in Coogee

• 14% of homes are rented, fewer than the 27% across Perth.
• 40% of homes are owned outright, against 28% across Perth.
• 90% of homes are separate houses (78% across Perth), so most homes have a roof and switchboard of their own.
• 24% of the postcode's solar went in between 2011 and 2015 (29% across Perth).

Batteries in Coogee since the federal rebate began

251 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 21.4 kWh, about the Perth average. Installs went from 6 in July 2025 to a high of 36 in April 2026, the same month as Perth as a whole. About 0.5% 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.

Coogee's solar story since 2001

111 systems went in before 2011. The busiest year was 2020 (217), in the second wave of rooftop solar, and the quietest since 2011 was 2013. 2025 brought 136, 63% of that peak. Systems grew from an average of 2.4 kW in 2011 to 9.8 kW in the last 12 months.

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

Coogee beside its neighbours

• Spearwood, 2 km north-east: fewer batteries for its size, less new solar in the past year, fewer separate houses and more renters, with batteries of a similar size.
• South Fremantle, 6 km north: fewer batteries for its size, smaller batteries, less new solar in the past year, fewer separate houses and more renters.
• Cockburn Central, 8 km east: more batteries for its size, more new solar in the past year and more renters, with batteries of a similar size.
• Murdoch, 9 km north-east: more batteries for its size, more 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 9.8 kW system makes about 16,400 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 Coogee

A vetted installer covers postcode 6166, and you meet one at a time (how we choose them).

Nearby: Spearwood · South Fremantle · Cockburn Central · Murdoch · every suburb · Perth guide