LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
Warnbro solar fact
Warnbro has WA's highest new-build solar inclusion rate — 71% of homes built after 2018 include solar panels as part of the construction contract, because the City of Rockingham's land release conditions require builder compliance with a solar-ready standard that most builders have upgraded to solar-included
Estimated Monthly Output — 6.6kW
kWh/month · peak: Dec (634 kWh)
Solar in Warnbro — What You Need to Know
Warnbro is Rockingham's newest growth suburb, developed from the early 2000s on coastal limestone scrub that was cleared and planned as a family-friendly residential community. The suburb's proximity to Warnbro Sound and its position south of Rockingham City Centre gives it a coastal lifestyle aesthetic, and the predominantly post-2005 housing stock has the solar-orientation design standards of its era built in. City of Rockingham's approach to land releases — requiring solar-ready conduit and encouraging solar inclusion — has produced a suburb where more than 70% of post-2018 homes have panels installed at construction. The remaining older stock from 2005–2015 is the primary aftermarket installation opportunity, and these homes have the same north-facing orientations built into the estate planning. Warnbro's coastal position (within 500m of the Sound for beachfront streets) means marine-grade components for the closest properties, but the majority of the suburb is far enough inland for standard hardware.
Solar Panel Cost in Warnbro 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 Warnbro
How much do solar panels cost in Warnbro?
A 6.6kW system in Warnbro 6169 costs $3344–$4484 after federal STC rebates in 2026.
Is solar worth it in Warnbro?
Warnbro earns a A- (Very Good) solar grade with a score of 84/100. 44% of homes here already have solar.
What size solar system for Warnbro?
6.6kW suits most Warnbro 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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Going Solar in Warnbro
Warnbro, 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 Warnbro is moderate.
At 44% solar adoption, Warnbro 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 Warnbro 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 Warnbro 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 Warnbro
Homeowners in Warnbro () 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 Warnbro?
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 Warnbro, 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 Warnbro
With dozens of solar installers operating in the Perth area, choosing the right one for Warnbro 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 Warnbro — saving you the time of calling around. Every installer in our network has verified reviews and local Perth experience.