LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Stirling solar fact
Stirling is Perth's most populous suburb with 35,000+ residents — and its sheer scale means it represents $45M in annual solar installation activity, attracting Perth's highest number of competing CEC-accredited installers
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (632 kWh)
Solar in Stirling — What You Need to Know
Stirling is technically Perth's largest suburb by population, sprawling across a generous slice of the northern suburbs between Karrinyup and Hamersley. The suburb's scale encompasses everything from 1960s–70s brick homes near Stirling Train Station to more recent developments towards the northern boundary — with solar suitability varying accordingly. The strongest solar market is in Stirling's established residential core: homes built between 1965–1985 on 700–850m² blocks with north-facing rooftops that have never been obstructed by neighbouring development. City of Stirling has one of Perth's largest municipal solar programs, with solar installations on council buildings functioning as visible demonstration projects. The suburb's inland position (8km from the coast) means standard hardware throughout, and the large number of competing installers operating locally keeps pricing at Perth's most competitive end.
Solar Panel Cost in Stirling 2026
| System | Cost after STCs | Annual savings | Feed-in |
|---|---|---|---|
| 5kW | $2842–$3344 | $1620+ | 2.25c |
| 6.6kW ★ | $3344–$4484 | $2160 | 2.25c |
| 10kW | $4347–$5829 | $3024+ | 2.25c |
FAQs — Solar in Stirling
How much do solar panels cost in Stirling?
A 6.6kW system in Stirling 6021 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Stirling?
Stirling earns a A- (Very Good) solar grade with a score of 83/100. 38% of homes here already have solar.
What size solar system for Stirling?
6.6kW suits most Stirling homes. Larger homes with pools or EVs should consider 10kW+. WA's feed-in tariff is 2.25c.
Solar in Nearby Suburbs
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