Solar and batteries in Warwick: what the local data shows

Where Warwick is

Warwick is 13 km north of the Perth CBD. Postcode 6024 covers Warwick, Greenwood: about 5,168 occupied homes and 13,723 people at the 2021 Census. Duncraig next door has more batteries for its size (72 per 1,000 homes against 57 here).

What stands out in Warwick

• 16% of homes are rented, fewer than the 27% across Perth.
• 38% of homes are owned outright, against 28% across Perth.
• Battery uptake is speeding up: the postcode's share of Perth's new batteries went from 0.6% in late 2025 to 0.6% in 2026.
• 92% of homes are separate houses (78% across Perth), so most homes have a roof and switchboard of their own.

Batteries in Warwick since the federal rebate began

296 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 20.9 kWh, about the Perth average. Installs went from 7 in July 2025 to a high of 42 in April 2026, the same month as Perth as a whole. The postcode's share of the city's new batteries rose from 0.6% in the second half of 2025 to 0.6% in 2026.

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

Warwick's solar story since 2001

317 systems went in before 2011. Then came 2011, the postcode's busiest year (422), during the first rush of rooftop solar; the quietest since was 2015. 2025 brought 149, 35% of that peak. Systems grew from an average of 2.1 kW in 2011 to 8.8 kW in the last 12 months.

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

Warwick beside its neighbours

• Balcatta, 2 km south: fewer batteries for its size, bigger batteries, less new solar in the past year, fewer separate houses and more renters.
• Girrawheen, 3 km east: fewer batteries for its size, less new solar in the past year and more renters, with batteries of a similar size.
• Kingsley, 3 km north: more batteries for its size, more new solar in the past year and fewer renters, with batteries of a similar size.
• Duncraig, 4 km west: more batteries for its size and fewer renters, 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 an 8.8 kW system makes about 15,250 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 Warwick

A vetted installer covers postcode 6024, and you meet one at a time (how we choose them).

Nearby: Balcatta · Girrawheen · Kingsley · Duncraig · every suburb · Perth guide