Quotes for the same size system in Wanneroo can differ by thousands, and the difference is usually not margin. It is what is in the quote.
Our installations start at $8,000. That reflects the equipment we are prepared to stand behind for twenty-five years and the fact that our own accredited team does the work rather than a subcontractor. You will find cheaper quotes in this suburb, and some of them will be perfectly sound. What matters is comparing like with like.
These are the things that move a Wanneroo quote up or down:
For pricing across all system sizes, see our full Perth solar pricing guide.
This is the most common disappointment we are called about, and it is almost never a faulty system. It is how exporting works in Western Australia.
Under Synergy’s Distributed Energy Buyback Scheme, electricity you export to the grid earns 10 cents per kWh between 3pm and 9pm, and 2 cents per kWh at all other times, on the first 50 units exported each day. Electricity you buy back from the grid costs considerably more than either figure.
So a household that generates well at midday, exports most of it at 2 cents, and then comes home at six to run the air conditioning, the oven and the washing machine on bought electricity can end up disappointed with a system that is working exactly as designed.
There are three ways to change that, and they suit different households:
We look at your actual bills before recommending any of the three. Sometimes the answer is a smaller system and a timer, not a bigger system.
System size should follow your consumption pattern, not your roof area. Two houses on the same street with the same roof can need different systems.
What we look at:
Larger Wanneroo blocks with a shed or workshop often suit a bigger array than the house roof alone would carry, provided the cable run is designed properly.
Every quote we provide follows a site visit. These are the things that decide the design:
We handle the paperwork. What is useful for you to know:
A battery is worth considering in Wanneroo if your household uses a meaningful amount of power in the evening. If your usage is already mostly during daylight, a battery will take much longer to pay for itself.
Two separate rebates can apply to the same battery, and they work differently.
The federal Cheaper Home Batteries Program takes around 30% off the upfront cost of an eligible battery. Your installer applies it as a discount on the quote, so there is nothing for you to claim. The amount depends on the battery’s usable capacity, and the battery must be on the Clean Energy Council approved list. The discount reduces every six months, and since 1 May 2026 it has been lower for batteries larger than 14 kWh, so the figure on a quote is only valid for a limited time.
The WA Residential Battery Scheme pays Synergy customers $130 per kWh of usable capacity, up to $1,300, and Horizon Power customers $380 per kWh, up to $3,800. The battery needs at least 5 kWh of usable capacity. The rebate is capped at 10 kWh, which catches people out: a larger battery still qualifies, but it receives the same maximum as a 10 kWh one. Households with a gross income under $210,000 can also access an interest-free loan of between $2,001 and $10,000 over three to ten years. Batteries installed before 1 July 2025 are not eligible, and joining a Virtual Power Plant is a condition of the scheme. We explain what that involves in our guide to virtual power plants in WA.
We show both rebates as separate lines on every quote, so you can see exactly what applies to the battery you are considering.
On blackout backup: not every battery keeps your house running during an outage. Whether it does depends on the battery’s design and on whether a backup circuit is installed as part of the system. If keeping the lights and the fridge on during an outage matters to you, say so at quote stage, because it changes both the equipment and the price.
Full detail on brands, sizing and pricing is on our solar batteries page and in our guide to battery costs in Perth.
We commission the system, set up your monitoring and show you how to read it before we leave. Knowing what a normal day looks like on the app is what lets you notice when something is not right.
If output drops, an error code appears or a warning light comes on, we diagnose and repair systems across Perth, including systems we did not install, and systems whose original installer is no longer trading. See solar repairs and solar servicing.
Our installations start at $8,000, and the final figure depends on system size, panel and inverter choice, roof access, switchboard condition and cable run length. We quote itemised so you can see what each element costs rather than receiving a single package price. Quotes you receive from other installers in this suburb may be lower; compare the equipment and the inclusions, not just the total.
Most standard rooftop installations on an ordinary home do not need separate planning approval from the City of Wanneroo. It is not universal, though heritage listings, unusual structures, ground-mounted systems and non-standard mounting can all change the answer. We check your specific property before quoting rather than giving a blanket yes or no.
The battery needs at least 5 kWh of usable capacity, must be on the Clean Energy Council approved list and must be installed by an accredited installer. The rebate is capped at 10 kWh, so larger batteries qualify but receive the same maximum. You must also join a Virtual Power Plant, and batteries installed before 1 July 2025 are not eligible.
Only if it is designed to and only if a backup circuit is installed. Some batteries provide whole-home backup, some provide limited backup to selected circuits, and some provide none at all. Tell us at quote stage if outage backup matters to you, because it affects both the equipment and the cost.
