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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Going Solar in Rockingham
Rockingham, in the Perth region of WA, receives approximately 5.4 peak sun hours per day — well above the national average of 4.2 hours. With electricity rates of approximately 33c/kWh and Zone 1 Small-scale Technology Certificates (STCs) applying in this area, the financial case for solar in Rockingham is moderate.
At 42% solar adoption, Rockingham is already a solar leader in the region. This means experienced local installers are readily available and the grid operator has well-established processes for residential solar connections.
A 6.6kW solar system in Rockingham costs approximately $3344–$4484 after STC rebates. At 5.4h daily sun and 33c/kWh electricity, you can expect annual savings of approximately $82 — giving a payback period of 48.8–79.3 years, followed by 20+ years of near-free electricity.
The electricity network in Rockingham is managed by Western Power (metro Perth) or Horizon Power (regional). Western Power manages Perth's network. Export limits of 1.5–5kW apply on many residential connections — check before sizing your system. For residential systems above 5kW, a network connection application is typically required — your installer will handle this as part of the installation process.
Solar Rebates in Rockingham
Homeowners in Rockingham () access the following solar incentives in 2026:
Zone 1 FEDERAL STCs
Zone 1 STCs worth $3,200–$4,000 off a 6.6kW system. STCs are applied as a point-of-sale discount — your installer handles the paperwork.
STATE: WA
Distributed Energy Buyback Scheme (DEBS) provides feed-in credits for export
FEED-IN TARIFF
WA currently offers approximately 2.25c/kWh for excess solar exported to the grid. Self-consumption saves 33c/kWh — 14.7x more than exporting.
What Size Solar System for Rockingham?
The right system size depends on your electricity usage. A quick rule: divide your quarterly bill by $100 to get your ideal system size in kW. For Rockingham, common household sizes are:
With WA's feed-in tariff at 2.25c/kWh and electricity at 33c/kWh, the priority is maximising self-consumption rather than grid export. If your household is away during peak solar generation hours (10am–3pm), adding a battery to shift solar to evening use improves payback. See our solar battery guide for battery options and payback analysis.
Compare all system sizes — 5kW to 13kW →More Guides
How to Choose a Solar Installer in Rockingham
With dozens of solar installers operating in the Perth area, choosing the right one for Rockingham requires a few checks. Here's what to look for:
Our free solar score tool connects you with up to 3 CEC-accredited, vetted installers in Rockingham — saving you the time of calling around. Every installer in our network has verified reviews and local Perth experience.