Solar panels in Mandurah
Mandurah is an hour south of Perth on the Peel inlet, one of the fastest growing regional cities in the country and one of its sunniest. The Clean Energy Regulator's postcode data on this page covers Mandurah and Halls Head, Dudley Park and Coodanup, Meadow Springs and the Lakelands estates to the north, and Falcon, Wannanup and Dawesville down the coast.
Clean Energy Regulator small-scale installation data across 4 postcodes in the Peel region, to October 2026. Averages include some business systems.
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Where the installs are going
The city has a large retired population and a lot of households that are home through the day, which suits solar well because more of the power is used as it is made. Lakelands and Meadow Springs have been the growth areas, with new estates on Colorbond roofs, while Halls Head and the canal suburbs have larger homes with larger bills and a strong interest in batteries.
Roofs and homes in Mandurah
Salt is the issue on almost every Mandurah roof: the ocean is on one side and the estuary on the other, so coastal-rated mounting and fasteners should be specified across the whole city. Most homes are single storey brick with tile or Colorbond, on flat blocks with little shade, which is close to ideal. The sea breeze keeps summer temperatures below Perth's, which helps panel output. Two-storey canal homes often have the best roof space on an upper level and need an installer comfortable with height and access. Newer homes at Lakelands often have a hip roof that splits the north face into small sections, so ask for a layout drawing rather than a panel count.
The network: Western Power
Western Power runs the network and Synergy is the retailer, so the Distributed Energy Buyback Scheme applies: exports earn much more in the late afternoon and evening than in the middle of the day. For a retired household that uses power all day, that mostly means sizing the system to daytime usage; for a working household, it means a west-facing array or a battery to move solar into the paid window. Single-phase homes have an export limit, and larger systems need approval.
What a system generates in Mandurah
Mandurah averages 5 peak sun hours a day and sits in STC Zone 3. A peak sun hour is an hour of sunlight at full strength, so the figure is what a panel collects once the weaker morning and evening light is added up. On that average, this is what the two most common system sizes produce on a north-facing roof with no shade.
| System | Average day | Year |
|---|---|---|
| 6.6 kW | 28.1 kWh | 10,238 kWh |
| 10 kW | 42.5 kWh | 15,513 kWh |
Worked as system size times 5 peak sun hours times 85%, the allowance our suburb pages make for inverter, heat and wiring losses, over 365 average days. Summer days produce well above the average and winter days well below it, and an east or west-facing array produces less than a north-facing one.
Across the eight capitals, the same 6.6 kW system makes from about 7,576 kWh a year in Hobart to about 11,262 kWh in Darwin. In Mandurah it makes about 6% less than it would in Perth. More sun means more output from the same panels, but it does not change the STC rebate within a zone: that is set by the zone, the system size and the year you install.
Rebates and feed-in tariffs in Mandurah
- Federal
- Up to $8,000+ in solar and battery rebates in STC Zone 3. See how we calculate this.
- Western Australia
- up to $1,300 (Synergy) or $3,800 (Horizon Power) from the WA Residential Battery Scheme, stackable with the federal rebate.
- Feed-in tariff
- Rates in Western Australia are set by the state under the Distributed Energy Buyback Scheme. Compare WA feed-in tariffs.
How much solar panels cost in Mandurah
These are the installed prices our solar panel cost guide works on, with the federal STC rebate for Mandurah taken off. The rebate comes off the quote at the point of sale, so the last column is what you actually pay. In STC Zone 3 it is worth $1,710 on a 6.6 kW system and $2,622 on a 10 kW one.
5 kW
- Installed price
- $4,500 to $6,500
- STC rebate, Zone 3
- $1,292
- You pay after the STC
- $3,208 to $5,208
6.6 kW
- Installed price
- $5,500 to $8,000
- STC rebate, Zone 3
- $1,710
- You pay after the STC
- $3,790 to $6,290
10 kW
- Installed price
- $8,000 to $12,000
- STC rebate, Zone 3
- $2,622
- You pay after the STC
- $5,378 to $9,378
13 kW
- Installed price
- $10,000 to $15,000
- STC rebate, Zone 3
- $3,382
- You pay after the STC
- $6,618 to $11,618
Prices are the national ranges from our solar panel cost guide. Installed prices are before any rebate. The STC rebate is the certificates each system creates in Zone 3 over the 2026 deeming period of 5 years, at $38 a certificate. The deeming period shortens by a year every 1 January, so the same system earns less rebate each year you wait.
The average system installed across Mandurah in the 12 months to October 2026 was 8.7 kW, between the 6.6 kW and 10 kW rows, although that average includes some business systems. Size yours on your own bills and roof, but it is a fair check on what your neighbours are putting up.
What moves a quote up or down: the panel and inverter brands, a second storey or a steep or tiled roof, and switchboard or meter work. The full breakdown is in our solar panel cost guide.
Payback in Mandurah
Payback is the after-rebate price divided by what the system saves each year. The saving comes from two places: the power you use yourself, which you no longer buy at around 31.0c per kWh, and the power you export, which earns the feed-in tariff.
6.6 kW
- Yearly generation
- 10,238 kWh
- Yearly saving
- $1,167
- You pay after the STC
- $3,790 to $6,290
- Simple payback
- 3.2 to 5.4 years
10 kW
- Yearly generation
- 15,513 kWh
- Yearly saving
- $1,768
- You pay after the STC
- $5,378 to $9,378
- Simple payback
- 3 to 5.3 years
Assumes 30% of the solar is used in the home at 31.0c per kWh, the average residential usage rate we hold for Western Australia, and the other 70% is exported at 3.0c per kWh, the median feed-in tariff we hold for Western Australia. That 30% is the share our suburb pages and calculators assume for a household out at work during the day. No battery, no price rises and no panel ageing are counted.
Using more of it yourself improves the numbers quickly, because a kWh used at home is worth 31.0c and an exported one 3.0c. At 50% self-consumption, which a household home through the day or one that runs the pool pump, dishwasher and hot water on a timer can reach, the 6.6 kW system saves about $1,740 a year in Mandurah and pays back in 2.2 to 3.6 years.
Your rebate in Mandurah
Up to $8,000+ in solar and battery rebates. One Why Solar Approved installer, one free written quote, and fifteen minutes with a solar expert before you sign.
Batteries in Mandurah
The federal Cheaper Home Batteries rebate applies in Mandurah as it does everywhere. It is paid on usable capacity, at $258/kWh for the first 14 kWh and at lower rates above that, and like the STC rebate it comes off the price at the point of sale. It steps down on 1 January 2027, when the full rate falls to $217/kWh.
10 kWh
- Federal rebate
- $2,584
- WA Residential Battery Scheme (Synergy)
- $1,300
- Total rebate
- $3,884
14 kWh
- Federal rebate
- $3,610
- WA Residential Battery Scheme (Synergy)
- $1,300
- Total rebate
- $4,910
The state figure is paid at $130 per kWh up to 10 kWh, so it does not grow with a bigger battery. Conditions: Synergy customers only, which is Perth and the South West Interconnected System. Virtual Power Plant participation is mandatory.
Western Australia: up to $1,300 (Synergy) or $3,800 (Horizon Power) from the WA Residential Battery Scheme, stackable with the federal rebate.
Whether a battery pays in Mandurah comes down to the gap between what you pay for power and what you are paid for exporting it. Each kWh a battery moves from export into your evening is worth about 28.0c (31.0c less 3.0c). A 10 kWh battery that filled and emptied every day would be worth up to $1,022 a year on that gap alone; most do less in winter, when there is less surplus to store.
Battery prices by size, before and after the federal rebate, are in our battery cost guide, and the WA battery rebate page has the state detail.
Installers in Mandurah
We have not published an installer guide for Mandurah yet. Our national installer directory lists SAA-accredited installers with customer reviews.
When you check your rebate with us, you are matched with one Why Solar Approved installer in Mandurah. An installer has passed all six of our checks: credentials, staying power, proof of work, who actually turns up to do the job, what goes in, and how they handle trouble. They earn it before they see a single homeowner, and they lose it if they let one down. The installer never cold-calls you; the one call is from a solar expert, fifteen minutes before you sign.
What's actually happening on roofs near you
What Mandurah homeowners ask us
Mandurah homeowners ask about the WA Residential Battery Scheme more than anything else, and with the federal rebate on top it has made batteries realistic for the first time. They ask whether their existing older system can take a battery, which usually depends on the inverter. And they ask about door-to-door sales, which the city gets a lot of. No company in our network sells door to door, and none of them will call you until you choose a time. If a salesperson knocks, take the brochure and check the company against our list before anyone comes back.
Questions people ask
How many homes in Mandurah installed solar in the last 12 months?
What solar rebates apply in Mandurah?
What is the best feed-in tariff in Mandurah?
How much does it cost to install solar panels in Mandurah?
Is it worth getting solar in Mandurah?
Who is the best solar installer in Mandurah?
What is the 20% rule for solar?
Your rebate, one Why Solar Approved installer in Mandurah, and a solar expert on the phone before you sign.
60 seconds. Free. No installer calls until you choose a time.