LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Rockingham solar fact
Rockingham's HMAS Stirling naval base — home to Australia's submarine fleet — means the suburb has Australia's highest proportion of defence force solar households, with navy families who apply military infrastructure planning discipline to home energy systems and achieve battery storage rates of 44%
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (633 kWh)
Solar in Rockingham — What You Need to Know
Rockingham is a coastal city 47km south of Perth on Cockburn Sound, home to HMAS Stirling (Australia's principal naval base and home of the submarine force) and one of Perth's most active solar markets. The naval base creates a distinctive demographic: defence force families on regular postings who nevertheless invest significantly in their homes, applying the systematic infrastructure-management thinking of military planning to solar decisions. The result is unusually high battery attachment rates and large system sizes among defence households. Rockingham's broader community is coastal family-oriented, with the suburb's beaches, water sports, and relatively affordable housing attracting families from Perth. City of Rockingham's solar programs have been progressive, and the suburb's coastal position means marine-grade components for beachfront streets while inland areas use standard hardware. Rockingham's competitive installer market — with local businesses competing aggressively — keeps pricing at WA's lower end.
Solar Panel Cost in Rockingham 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 Rockingham
How much do solar panels cost in Rockingham?
A 6.6kW system in Rockingham 6168 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Rockingham?
Rockingham earns a A- (Very Good) solar grade with a score of 84/100. 42% of homes here already have solar.
What size solar system for Rockingham?
6.6kW suits most Rockingham homes. Larger homes with pools or EVs should consider 10kW+. WA's feed-in tariff is 2.25c.
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