Solar and batteries in Dianella: what the local data shows

Where Dianella is

Dianella is 8 km north of the Perth CBD. Postcode 6059 covers Dianella: about 9,579 occupied homes and 24,169 people at the 2021 Census. Of its nearest neighbours, it has the most home batteries for its size.

What stands out in Dianella

• 30 new solar systems per 1,000 homes in the last 12 months, 28% below the Perth rate: fewer roofs are still getting their first system.
• 39% of homes are owned outright, against 28% across Perth.
• Close in: 8 km from the Perth CBD.
• 52 home batteries for every 1,000 homes since Jul 2025, 21% below the Perth rate.

Batteries in Dianella since the federal rebate began

494 batteries went in across the postcode from July 2025 to 31 August 2026, averaging 24.1 kWh (larger than the Perth average of 21.8 kWh). Installs went from 18 in July 2025 to a high of 61 in April 2026, the same month as Perth as a whole. Its share of Perth's new batteries eased from 1.1% in the second half of 2025 to 1.0% 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.

Dianella's solar story since 2001

258 systems went in before 2011. Then came 2011, the postcode's busiest year (443), during the first rush of rooftop solar; the quietest since was 2015. 2025 brought 233, 53% of that peak. Systems grew from an average of 2.2 kW in 2011 to 9.4 kW in the last 12 months.

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

Dianella beside its neighbours

• Mirrabooka, 2 km north: fewer batteries for its size, smaller batteries, less new solar in the past year, fewer separate houses and more renters.
• Yokine, 3 km south-west: fewer batteries for its size, smaller batteries, less new solar in the past year, fewer separate houses and more renters.
• Inglewood, 4 km south: smaller batteries and more renters, with about as many batteries for its size.
• Morley, 5 km east: smaller batteries and more separate houses, with about as many batteries for its size.

Prices, rebates and solar output

Each kW of panels here makes about 1,700 kWh a year, so a 9.4 kW system makes about 16,150 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 Dianella

A vetted installer covers postcode 6059, and you meet one at a time (how we choose them).

Nearby: Mirrabooka · Yokine · Inglewood · Morley · every suburb · Perth guide