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LARGE RESIDENTIAL SOLAR

13.3kW Solar System
for Australian Homes

A 13.3kW solar system can be a strong option for Australian homes with high electricity usage, larger properties and energy-intensive loads such as air conditioning, pools and EV charging.

Explore panel options, system output, battery storage, costs and installation to understand whether a 13.3kW solar system is right for your home.

✓ Designed for Australian homes
✓ Battery-ready options
✓ System designed around your usage
RESIDENTIAL SOLAR
13.3 kW
Solar System
High Capacity Residential solar
High Energy Usage Built for larger loads
Battery Options Plan for future storage
EV Ready Support future energy needs
Explore 13.3kW Solar
About Our Products

Sun Synergy PTY LTD T/A Make My Solar

We are proud to offer a comprehensive range of products for a 13.2 kW Solar system. We have access to different country-make panels with a variety of power outputs. All products offered by us are listed in the CEC-approved list with their model numbers explicitly mentioned.

100% CEC Approved Components
13.3KW SOLAR SYSTEM GUIDE

13.3kW Solar System at a Glance

A 13.3kW solar system is a substantial residential solar solution that can suit Australian homes with higher electricity consumption. The right system design depends on your energy usage, roof space, electrical configuration and future energy requirements.

01
SYSTEM SIZE

13.3kW

A large residential solar system capacity designed for homes with higher electricity requirements.

02
PANEL COUNT

Depends on panel wattage

The number of solar panels required depends on the panel wattage selected and the final system design.

03
ROOF SPACE

Depends on panel size and layout

Roof dimensions, panel size, orientation, shading and layout all influence how a 13.3kW solar system fits your property.

04
INVERTER

Selected according to system design

The inverter is selected according to the solar array, electrical configuration and overall system requirements.

05
BATTERY

Can be paired with battery storage

Battery storage can be included where it suits your energy usage, self-consumption goals and future plans.

06
BEST SUITED FOR

Higher electricity consumption

A potential option for larger homes and properties with substantial household energy demand.

07
INCENTIVES

Applicable incentives may be available

Eligibility depends on the property, system and applicable Australian Government or state-based programs.

+
SYSTEM DESIGN

Designed around your home

Your electricity usage, roof, electrical setup and future energy plans should guide the final solar system design.

THE RIGHT SOLAR SYSTEM MATTERS

Bigger doesn't automatically mean better.

A 13.3kW system isn't automatically the right choice simply because it produces more solar. The right system depends on your electricity usage, roof space, electrical configuration, energy habits and future plans.

Designed around
your energy needs
→

Is a 13.3kW Solar System Right for Your Home?

Choosing a 13.3kW solar system for your home should start with your actual electricity consumption rather than simply selecting the largest available solar package. A properly designed system considers household energy use, available roof space, panel layout and the electrical configuration of the property.

A 13.3kW solar panel system may be suitable for Australian homes with higher electricity consumption, particularly where there are significant household loads such as air conditioning, pool equipment, electric hot water, home offices or electric vehicle charging.

The final solar design can also consider battery storage, inverter selection, applicable incentives and future energy requirements. At Make My Solar, the goal is to design a 13.3kW solar system around your property and the way your household uses energy.

UNDERSTANDING SOLAR SYSTEM SIZE

What Is a 13.3kW Solar System?

A 13.3kW solar system is a large residential solar power system with a combined solar panel capacity of approximately 13.3 kilowatts. Understanding what this rating means can help you decide whether a system this size is suitable for your home.

Large residential rooftop solar panel installation representing a 13.3kW solar system in Australia
Your Solar Image Replace the image URL in the HTML
13.3kW Rated solar panel capacity
WHAT DOES 13.3kW MEAN?

It describes your solar panels' combined rated capacity.

The size of a solar power system is calculated by adding together the rated capacity of its solar panels. Panel ratings are measured in watts (W), while the total capacity of a residential solar array is generally expressed in kilowatts (kW).

For example, a 13.3kW solar panel array has a combined rated capacity of approximately 13,300 watts under standard test conditions. It does not mean the system continuously generates 13.3kW of electricity throughout the day.

Rated panel capacity

13.3kW represents the combined rated power of the solar panels.

Not continuous output

Actual solar output varies with sunlight and operating conditions.

Generation varies

Location, roof orientation, shading and equipment influence actual performance.

AN IMPORTANT DISTINCTION

Solar power and solar energy are not the same thing.

Understanding the difference between kilowatts and kilowatt-hours helps explain how a 13.3kW solar system works.

kW
POWER

Kilowatts

Kilowatts measure power. The 13.3kW rating describes the solar panel array's combined rated capacity under standard test conditions.

kWh
ENERGY

Kilowatt-hours

Kilowatt-hours measure electricity generated or consumed over time. Your system's daily energy generation will vary with actual conditions.

i

A 13.3kW solar system does not generate 13.3kW every hour or guarantee a fixed number of kWh per day.

HOW SOLAR GENERATION WORKS

Solar output changes throughout the day.

A 13.3kW solar power system generally produces more electricity when sunlight is strong and less when sunlight is limited. Actual output depends on the installation and local conditions.

Illustrative daily generation profile Not a production forecast
Higher Output Lower
Morning 10 AM – 2 PM Afternoon Evening

This diagram is illustrative only. It does not represent guaranteed generation or a forecast for a particular Australian location. The optimal generation window typically occurs between 10 AM and 3 PM when the sun is highest [citation:3][citation:10].

WHAT AFFECTS SOLAR PERFORMANCE?

What determines the output of a 13.3kW solar system?

Two homes with similarly sized solar systems may generate different amounts of electricity because their installation conditions are different.

01

Location

Available sunlight and local climate influence solar electricity generation.

02

Roof Orientation

Panel direction and tilt affect how much sunlight the array receives. North-facing panels typically generate the most energy [citation:4][citation:27].

03

Shading

Trees, nearby buildings and roof obstructions can reduce solar generation.

04

Weather

Cloud cover, seasonal conditions and available sunlight affect daily output.

05

Temperature

Solar panel efficiency can decrease as panel operating temperatures increase.

06

System Design

Panel layout, inverter selection and overall system configuration influence performance.

IS THIS SYSTEM SIZE SUITABLE?

Why consider a 13.3kW solar system?

A 13.3kW solar system in Australia may be worth considering for households with substantial electricity consumption, sufficient suitable roof space and significant daytime energy use.

It can be particularly relevant for larger residential properties with multiple air conditioners, swimming pools, electric hot water systems, home offices or electric vehicle charging.

A system this size may also be considered when planning for increased future energy demand or compatible battery storage. However, bigger is not automatically better.

01
Larger households

Properties with higher electricity requirements

02
High daytime electricity use

More opportunities to consume solar as it is generated

03
Energy-intensive appliances

Air conditioning, pool equipment and EV charging

04
Future energy planning

Considering changing electricity use and battery storage

THE MAKE MY SOLAR APPROACH

The right solar system starts with your home's energy needs.

When considering a 13.3kW solar system, we look beyond the headline capacity. Electricity consumption, energy habits, available roof space, electrical configuration and future plans all matter when designing a suitable residential solar solution.

Get a 13.3kW Solar Quote
COMPARE SOLAR SYSTEM SIZES

6.6kW vs 10kW vs 13.3kW Solar Systems

Choosing between a 6.6kW, 10kW or 13.3kW solar system depends on how much electricity your home uses, your available roof space and what you expect your energy needs to look like in the future.

6.6kW Smaller residential system
10kW Higher-capacity residential system
COMPARE System characteristics
OPTION 01
6.6kW Residential
OPTION 02
10kW Residential
THIS PAGE
13.3kW High-capacity
System size Solar panel capacity
6.6kW Smaller
10kW Larger
13.3kW Larger
Typical use Household electricity demand
Moderate Consumption
Higher Consumption
High Consumption
Roof requirement Available suitable roof area
Lower Roof requirement
Higher Roof requirement
Higher Roof requirement
Generation potential Relative system capacity
Lower Potential
Higher Potential
Higher Potential
Battery compatible Can be designed with storage
✓ Yes
✓ Yes
✓ Yes
EV suitability Depends on EV and charging habits
Depends On usage
Often suitable For higher usage
Strong option For high usage
Large household Higher household energy demand
Depends On usage
Often suitable For higher usage
More suitable For high usage
OPTION 01

6.6kW

Smaller

A common residential solar size that can suit homes with moderate electricity consumption and suitable roof space.

System size Smaller
Typical use Moderate consumption
Roof requirement Lower
Generation potential Lower
Battery Can be paired
EV suitability Depends on usage
Large household Depends on usage
OPTION 02

10kW

Larger

A larger residential system that may suit homes with higher electricity consumption and greater energy demand.

System size Larger
Typical use Higher consumption
Roof requirement Higher
Generation potential Higher
Battery Can be paired
EV suitability Often suitable
Large household Often suitable
THE RIGHT SYSTEM MATTERS

Bigger isn't automatically better.

The best solar system is the one that matches your electricity consumption, available roof space, electrical configuration, energy habits and future requirements.

Designed around
your energy needs
→

Which Solar System Size Is Right for Your Home?

Comparing a 6.6kW vs 10kW vs 13.3kW solar system is useful when deciding how much solar capacity your Australian home may need. A 6.6kW solar system can be a practical option for households with moderate electricity consumption, while 10kW and 13.3kW systems provide greater panel capacity for homes with higher electricity demand.

The right solar system size is not determined by household size alone. Available sunny roof area, electricity consumption, when energy is used, local conditions, network requirements and future plans can all influence the appropriate system design.

A larger solar system can provide greater generation potential, but it may also require more suitable roof space and a different electrical design. Battery storage can be considered with solar systems to store excess energy for later use, while EV charging can increase a household's future electricity requirements.

If you are deciding between a 6.6kW, 10kW or 13.3kW solar system, the best starting point is your electricity bill and actual usage data. At Make My Solar, we focus on designing the system around your home rather than simply recommending the largest package.

NOT SURE WHICH SIZE YOU NEED?

Let's work out the right solar system for your home.

Compare Your Options →
Solar panel options

Solar Panels for a 13.2kW Solar System

Make My Solar works with a range of solar panel brands for residential solar installations, giving homeowners flexibility when choosing a 13.2kW solar system. The right panel depends on your available roof space, electricity usage, system design, panel specifications and current product availability.

☀
Multiple panel brands Choose from a range of solar panel brands for different 13.2kW system designs and property requirements.
✓
Quality-focused selection Panel selection considers efficiency, specifications, warranties and overall system value.
★
Designed for your property The right panel combination depends on roof space, energy use and the complete solar system design.
Featured brand
LONGi Solar panels for a 13.2kW solar system

LONGi Solar Panels

Residential solar panel options

LONGi offers high-efficiency residential solar modules designed to make effective use of available roof space. LONGi's Australian range includes the Hi-MO family, with different module technologies and configurations available for residential solar installations.

Panel wattage Up to 475W*
Range Hi-MO*
✓
Product warranty Depends on the selected LONGi model*
Featured brand
JinkoSolar panels for a 13.2kW solar system

Jinko Solar Panels

Tiger Neo residential range

JinkoSolar's Tiger Neo range includes N-type solar modules designed for residential applications. Jinko offers a broad range of module options, allowing the selected panel to be matched to the property's roof space and the requirements of a larger solar system such as a 13.2kW installation.

Panel wattage Up to 475W*
Technology N-type*
✓
Product warranty Depends on the selected Jinko model*
Featured brand
Trina Solar panels for a 13.2kW solar system

Trina Solar Panels

Vertex residential range

Trina Solar's residential module range is designed for rooftop applications where efficiency, durability and practical module dimensions matter. Vertex residential products include modern high-efficiency cell technology suitable for larger residential solar system designs.

Panel wattage Up to 475W*
Range Vertex*
✓
Warranty Depends on the selected Trina model*
High efficiency
AIKO Solar panels for a 13.2kW solar system

AIKO Solar Panels

Neostar residential range

AIKO's Neostar residential modules use ABC cell technology and are designed for high-efficiency rooftop solar applications. Available panel wattages can be considered when designing larger residential systems, including 13.2kW solar installations.

Panel wattage 440–475W*
Technology ABC
✓
Warranty 25-year product / 30-year performance*
Featured brand
DMEGC Solar panels for a 13.2kW solar system

DMEGC Solar Panels

Residential solar panel range

DMEGC Solar offers residential solar modules across a range of power classes and technologies. The selected DMEGC panel can be matched to the available roof area and the requirements of the complete 13.2kW solar system design.

Panel wattage Up to 475W*
Technology N-type*
✓
Product warranty Depends on the selected DMEGC model*
+ MORE
Brands available
More options

More Solar Panel Brands

Additional options available

These featured brands are not the only panel options available through Make My Solar. We work with a broader range of products, allowing our team to select equipment according to your property, system design, budget and current product availability.

Selection Design based
Availability Current stock*
✓
Exact model confirmed Product and warranty details are provided with your proposal.
ⓘ

More brands are available. The brands featured above are some of the leading solar panel options we commonly offer. Make My Solar works with a broader range of panel brands, and available options depend on your 13.2kW system design, roof layout, electricity requirements and current product availability. Exact panel wattage, model and warranty terms will be confirmed in your solar proposal.

When choosing solar panels for a 13.2kW solar system, panel wattage is only one part of the decision. Roof dimensions, orientation, shading, panel efficiency, inverter compatibility, product warranties and the overall system design should also be considered. A larger solar system may require more roof space, so selecting the right panel size can be particularly important for a 13.2kW solar system in Australia. Make My Solar offers a range of residential solar panels, including featured brands such as LONGi, Jinko Solar, Trina Solar, AIKO and DMEGC , along with other available options depending on your home's requirements.

Solar inverter options

Choosing the Right Inverter for Your 13.2kW Solar System

The inverter is one of the most important components of a residential solar system. It converts the DC electricity generated by your solar panels into AC electricity used by your home. For a 13.2kW solar system, inverter selection should consider the solar array, household electricity usage, electrical supply, roof configuration, battery plans and overall system design.

⚡
Match the inverter to your system Inverter size and configuration should suit your 13.2kW solar array, electrical supply and complete system design.
🔋
Battery-ready options Hybrid inverter solutions can be considered when battery storage is part of your current or future energy plan.
✓
Australian requirements matter The selected inverter should meet applicable Australian approvals and network requirements for your property.
☀

Standard / String Inverter

Straightforward solar systems

A string inverter connects groups of solar panels into strings and converts their DC output into AC electricity for use in the home or export to the grid. This can be a practical approach for suitable residential 13.2kW rooftop solar system designs.

Suitable for many straightforward rooftop solar designs
Can provide a straightforward and cost-effective inverter configuration
Particularly useful where roof sections have similar orientation and shading conditions
Suitable where battery storage is not currently required
🔋

Hybrid Inverter

Solar + battery capability

A hybrid inverter combines solar-inverter and battery-inverter functions in one unit. It can be a useful option for a 13.2kW solar system when battery storage is being installed or is an important part of the future energy plan.

Designed to manage solar generation and compatible battery storage
Useful when adding energy storage is part of your plan
Provides an integrated pathway for solar and battery storage
Can suit homes planning greater energy independence

Solar Inverter & Energy Storage Brands We Offer

Make My Solar works with a broad range of inverter and energy-storage brands. The following are some of the commonly requested options we offer for residential solar projects, including larger systems such as 13.2kW.

GoodWe solar inverter for a 13.2kW solar system
Popular choice

GoodWe

Solar inverter & storage

GoodWe offers residential grid-connected and energy-storage inverter solutions across different system sizes and configurations. Suitable models can be considered as part of a professionally designed 13.2kW solar system.

Residential solutions
→
SolaX solar inverter for a 13.2kW solar system
Popular choice

SolaX

Solar inverter & hybrid

SolaX provides residential inverter and energy-storage solutions, including hybrid systems designed around solar generation and battery integration for suitable residential applications.

Solar + battery
→
Sungrow solar inverter for a 13.2kW solar system
Popular choice

Sungrow

Inverter & battery solutions

Sungrow offers residential solar inverters and battery solutions across a range of single-phase and three-phase system configurations. The appropriate model depends on the electrical and system design of the property.

Residential systems
→
FoxESS solar inverter for a 13.2kW solar system
Featured

FoxESS

Inverter & energy storage

FoxESS offers residential solar inverter and battery solutions designed for homes looking to combine solar generation with energy storage. Compatible options can be considered for larger residential solar designs.

Energy storage
→
Pylontech battery storage for a 13.2kW solar system
Battery

Pylontech

Battery storage

Pylontech is primarily known for residential and energy storage battery solutions that can be paired with compatible inverter systems. Battery compatibility should be confirmed as part of the complete system design.

Battery solutions
→
Anker SOLIX home energy storage for a 13.2kW solar system
Storage

Anker SOLIX

Home energy storage

Anker SOLIX provides home energy-storage solutions designed around battery storage, energy management and integrated residential power systems for suitable energy requirements.

Home energy
→
Fronius solar inverter for a 13.2kW solar system
Premium

Fronius

Premium solar inverter

Fronius is a long-established inverter manufacturer with residential solutions covering grid-connected solar and battery-ready applications. The appropriate inverter configuration depends on the complete system design.

Premium solutions
→
Sigenergy smart energy system for a 13.2kW solar system
Smart energy

Sigenergy

Smart energy system

Sigenergy focuses on integrated residential energy systems combining solar conversion, battery storage and intelligent energy management. It can be considered where an integrated solar and storage solution is required.

Smart energy
→
ⓘ

These are not the only brands we offer. Make My Solar works with a broader range of solar inverter, hybrid inverter and battery-storage brands. The exact brand and model recommended for your 13.2kW solar system depends on your panel configuration, roof layout, electricity supply, energy usage, battery plans and current product availability.

Choosing a solar inverter for a 13.2kW solar system involves more than simply matching the inverter to the total panel capacity. The inverter should be selected according to the solar array, household electricity usage, roof configuration, electrical supply, applicable export requirements and whether battery storage is part of your current or future plans. A suitable 13.2kW solar inverter configuration can help manage the electricity generated by a larger residential solar array, while a hybrid inverter may be considered when battery storage is part of the system design. Make My Solar offers inverter and energy-storage options from brands including GoodWe, SolaX, Sungrow, FoxESS, Pylontech, Anker SOLIX, Fronius and Sigenergy , along with other available brands.

Not Sure Which Inverter Is Right for Your 13.2kW System?

The right inverter depends on your solar array, electricity usage, property configuration, electrical supply and future battery plans. Our team can help you compare suitable inverter and energy-storage options for your 13.2kW solar system.

Find the right solar size

Is a 13.2kW Solar System Right for Your Home?

A 13.2kW solar system can be a strong option for Australian homes with higher electricity consumption, larger households and energy-intensive loads. The right system size depends on your electricity usage, roof space, location, shading and future energy needs.

✓

A 13.2kW system may suit you if:

  • ✓
    Larger household Suitable for homes with higher overall electricity consumption.
  • ✓
    Higher electricity usage A larger solar system can be worth considering when household energy demand is consistently high.
  • ✓
    Good roof space Enough suitable roof area for the required number of solar panels.
  • ✓
    You use electricity during the day Daytime solar generation can help reduce electricity purchased from the grid.
  • ✓
    You want to reduce grid usage Solar can help lower your reliance on electricity from the grid.
⚡

A different system size may be better if:

  • ⚡
    Lower electricity consumption A smaller system may be more appropriate if your household uses relatively little electricity.
  • ⚡
    Limited suitable roof space Roof size, layout and available panel areas can affect how much solar can be installed.
  • ⚡
    Significant roof shading Trees, nearby buildings and other shading conditions should be considered during system design.
  • ⚡
    Mostly nighttime electricity use Your usage pattern matters when deciding how much solar generation is appropriate.
  • ⚡
    Battery storage is part of your plan Battery requirements and your expected energy-use pattern should be considered alongside solar size.
  • ⚡
    Electrical or network requirements Your property's electrical supply and applicable network requirements can influence the final system design.
ⓘ

There isn't one solar system size that suits every home. A 13.2kW system isn't automatically the right choice simply because it is larger. Your electricity consumption, roof characteristics, location, shading, budget and future energy needs should all be considered before choosing a solar system.

Get personalised guidance

Not sure whether a 13.2kW solar system is right for your home?

Send us your latest electricity bill and our team can review your usage and help you assess whether a 13.2kW system or another solar system size is suitable for your property.

✓
Review your current electricity usage
✓
Compare suitable solar system options
✓
Consider your future energy requirements

Assess My 13.2kW Solar Options

Complete the form below and we'll get back to you.

↑
Upload your latest electricity bill PDF, JPG or PNG • Maximum 10MB No file selected
13.3kW Solar Pricing Australia

How Much Does a 13.3kW Solar System Cost?

If you're comparing a 13.3kW solar system price in Australia, it's important to look beyond a single advertised figure. The installed cost can change significantly depending on the panels, inverter, roof, electrical work, installation requirements, location, system design and whether you add battery storage.

01
Solar hardware Panels, inverter, mounting and monitoring.
02
Installation scope Roof access, electrical work and site complexity.
03
Battery option Compare solar-only with solar plus storage.
04
Incentives Check which rebates apply to your property.
What changes your quote?

What affects the cost of a 13.3kW solar system?

Two homes can need the same 13.3kW solar capacity and still receive very different installed prices. These are the main factors your installer should consider.

01
▦

Panel Brand & Quality

Solar panel technology, efficiency, warranty and manufacturer can influence the overall system price.

02
W

Panel Wattage

Higher-wattage panels can reduce panel count and roof area, depending on the selected module.

03
⌁

Inverter Selection

String, hybrid or other inverter configurations can change equipment cost and system design.

04
⌂

Roof Type

Tile, metal, steep or unusual roof structures affect mounting requirements and install time.

05
↗

Roof Access

Difficult access, multiple storeys or restricted working areas can increase complexity.

06
⚙

Installation Complexity

Panel layout, cabling distances, roof sections and site conditions affect labour requirements.

07
▣

Switchboard & Electrical

A switchboard upgrade, extra protection or other electrical work may be required.

08
⌖

Location & Network

Local network rules, export limits, travel and regional conditions affect the final quote.

09
◉

Monitoring

Monitoring hardware and energy-management features can influence the system specification.

10
⌘

System Design

Roof orientation, shading, layout, electrical supply and your energy goals all matter.

11
▤

Battery Storage

Adding a battery changes the project — storage capacity, compatibility and install matter.

12
$

Applicable Incentives

Eligible incentives can reduce your upfront cost depending on system, location and rules.

Compare the right system

13.3kW Solar Only vs Solar + Battery

When comparing a 13.3kW solar system price, make sure you know whether the quote is for solar only or includes battery storage. These are two different system configurations.

Solar only

13.3kW Solar System

A grid-connected solar system designed to generate electricity during daylight hours and supply your home, with surplus generation potentially exported to the grid subject to network requirements.

  • ✓Solar panels and mounting system
  • ✓Suitable solar inverter
  • ✓Electrical installation and connection
  • ✓Monitoring where included in the equipment
  • ✓Applicable solar incentives where eligible
Solar + storage

13.3kW Solar + Battery

A larger energy system that adds battery storage so surplus solar generated during the day can potentially be stored and used later when the solar panels are producing less.

  • ✓Everything required for the solar system
  • ✓Battery storage capacity selected for your usage
  • ✓Compatible battery or hybrid inverter configuration
  • ✓Additional installation and electrical requirements
  • ✓Potentially greater solar self-consumption
Compare quotes properly

What should your solar quote tell you?

A low advertised price does not necessarily mean a better solar system. When comparing a 13.3kW solar system cost, ask whether each quote includes the same equipment, installation scope, electrical work and incentives.

✓Panel brand and model
✓Panel wattage and quantity
✓Inverter brand and model
✓Mounting and installation scope
✓Switchboard / electrical work
✓Monitoring included
✓Warranties and after-sales support
✓Rebates / incentives applied
13.3kW Solar System Price Australia

Understanding the 13.3kW Solar System Cost in Australia

Searching for a 13.3kW solar system price can produce very different results because solar quotes are not always based on the same equipment or installation scope. The cost of a 13.3kW solar system in Australia can vary according to the panel brand, panel wattage, inverter, roof type, roof access, installation complexity, switchboard requirements, electrical work, location and monitoring equipment.

The 13.3kW solar system price Australia customers see online may also be affected by applicable incentives. Solar costs can change with system size, hardware quality, installation challenges and extras such as switchboard upgrades, mounting requirements and battery storage.

It is also important to distinguish a 13.3kW solar system from a 13.3kW solar and battery system. Battery storage adds another major component to the project, and its cost depends on battery capacity, technology, inverter compatibility and installation requirements. Batteries can increase solar self-consumption by storing excess generation for later use, but the financial value depends on the household's electricity use, tariff and system configuration.

For this reason, Make My Solar recommends comparing a complete system design rather than choosing a solar installer based only on the lowest advertised 13.3kW solar system cost. A properly designed system should take your electricity usage, roof characteristics, electrical setup, future energy plans and applicable network requirements into account.

Want to know what a 13.3kW system would cost for your home?

Instead of relying on a generic online price, send us your property details or latest electricity bill. We can assess your usage, roof and system requirements and provide a more relevant solar quote.

Get My 13.3kW Solar Quote →
Australian Solar Incentives

13.3kW Solar Rebates & STCs

Government incentives can reduce the upfront cost of an eligible 13.3kW solar system in Australia. The most important federal incentive for eligible rooftop solar is the Small-scale Renewable Energy Scheme, which uses Small-scale Technology Certificates (STCs).

Incentive rules, certificate values and state programs can change. Always confirm current eligibility and the applicable incentive with your accredited installer before signing a solar contract.

How does a 13.3kW solar rebate work?

In Australia, the federal Small-scale Renewable Energy Scheme (SRES) provides support for eligible small-scale solar installations through Small-scale Technology Certificates (STCs). For an eligible 13.3kW solar system, the STC entitlement is calculated using factors including the system size, installation location and installation date.

In many cases, the installer or solar retailer receives the right to create and sell the STCs on the customer's behalf. The resulting value is commonly shown as an upfront discount on the solar quote, rather than as a separate cash payment made directly to the homeowner.

Federal incentive framework Small-scale Renewable Energy Scheme

The federal SRES is separate from state and territory programs. Depending on where the property is located, an eligible customer may have access to additional rebates, loans, battery incentives or other assistance.

Understanding STCs

What are 13.3kW solar STCs?

STCs are tradable certificates created under the Australian Government's Small-scale Renewable Energy Scheme. They help reduce the upfront cost of eligible renewable energy systems.

01

Eligible system

Your 13.3kW solar PV system must meet the applicable federal eligibility requirements, including installation and approved equipment requirements.

02

STC entitlement

The number of STCs is calculated using the system capacity, installation location and installation date, along with the applicable scheme rules.

03

Certificate value

STCs have a market value. That value can change, so the financial value of the incentive should not be treated as a permanent fixed rebate amount.

04

Upfront discount

When STC rights are assigned to an eligible retailer or installer, their value is normally reflected as an upfront discount in the solar system quote.

13.3kW Solar System Australia

What determines your 13.3kW solar rebate?

There is no single national rebate amount that applies to every 13.3kW solar installation. Your STC entitlement is determined by the rules applying to your system and installation circumstances.

Key factors used to determine STCs

System capacity The solar PV system's capacity is one of the inputs used when determining STC entitlement.
Installation location STC postcode zones account for differences in expected solar performance across Australia.
Installation date The federal deeming period reduces as the scheme moves toward its scheduled end in 2030.
Eligible equipment & installation Equipment and installation must meet the applicable requirements of the federal scheme.
Eligibility

Who may be eligible for 13.3kW solar STCs?

A 13.3kW system falls well within the federal SRES capacity limit for eligible small-scale solar. However, system size alone does not guarantee eligibility.

Accredited installation

The installation must meet the applicable accreditation and scheme requirements. Australian Government guidance specifies installation by a Solar Accreditation Australia accredited installer.

Eligible solar equipment

The panels and inverter need to satisfy the applicable approved product requirements for the SRES. Your installer should verify equipment eligibility before the system is installed.

Current scheme rules

Eligibility and incentive calculations can change over time. Installation date matters, so current Clean Energy Regulator requirements should be checked before quoting or installation.

How do STCs affect the price of a 13.3kW solar system?

Upfront quote impact
01 System quote Your installer calculates the installed cost of the proposed 13.3kW solar system.
02 STC calculation The applicable STC entitlement is determined using the current federal methodology.
03 STC assignment You may assign your right to create the certificates to an eligible registered agent.
04 Discounted price The STC value is commonly shown as an upfront discount in the final solar quote.
Beyond Federal STCs

Solar rebates in Australia can vary by location

STCs are a federal incentive, but state, territory and local government programs can provide additional support. These programs can have different eligibility rules, property requirements, income limits, system-size limits or application conditions.

Victoria

Solar Homes Program

Eligible Victorian households may have access to solar PV rebates and other assistance under the Solar Homes Program.

Western Australia

Residential Battery Scheme

WA has a residential battery scheme with eligibility conditions, approved vendors and Virtual Power Plant requirements.

New South Wales

Battery & VPP incentives

NSW currently provides battery-related assistance through Virtual Power Plant arrangements and other targeted programs.

Australian Capital Territory

Household energy support

Eligible ACT households can access government assistance for rooftop solar and other household energy upgrades.

Other states & territories

Check current programs

Queensland, South Australia, Tasmania and the Northern Territory may have different solar, battery, loan or targeted programs.

Government programs change independently of the federal STC scheme. Always check the current program rules for the property's state or territory before including an additional incentive in a quote.

Solar + Battery

Are there battery rebates for a 13.3kW solar system?

Battery incentives are separate from the solar PV STC calculation. The Australian Government's Cheaper Home Batteries Program operates through the SRES and provides support for eligible small-scale battery installations.

What customers should know

Eligible batteries can receive support through the federal Cheaper Home Batteries Program, subject to current rules.
Battery STC calculations are based on usable battery capacity and installation date rather than simply the size of the solar panel system.
Battery support can change over time, including changes to certificate factors and eligibility requirements.
State or territory battery incentives may also be available, depending on where the battery is installed.

Incentive information should be checked regularly

Solar rebates, STC rules, certificate values, battery incentives and state programs can change. This page should be reviewed and updated periodically so customers are not relying on an outdated rebate amount or eligibility rule. For an accurate 13.3kW solar rebate assessment, confirm the current rules with your accredited installer and the relevant government authority.

Understanding the 13.3kW Solar Rebate in Australia

If you are researching a 13.3kW solar rebate, 13.3kW solar STCs or solar rebates in Australia, it is important to understand that there is not one permanent rebate amount available to every homeowner. The federal incentive is primarily delivered through the Small-scale Renewable Energy Scheme and Small-scale Technology Certificates, while additional government solar incentives may depend on your state, territory, property type and eligibility.

For a 13.3kW solar system, the applicable STC entitlement is influenced by the system capacity, installation location and installation date. The value of the certificates can affect the upfront price shown on a solar quote, but the final installed cost will also depend on your selected panels, inverter, roof, electrical requirements, installation complexity and system design.

If you are considering 13.3kW solar system rebates, solar incentives Australia or a 13.3kW solar battery system, make sure your quote clearly identifies which incentives have been included, which assumptions have been made and whether any additional state or territory program has been applied.

Want to know which solar incentives may apply to your home?

Send us your location and electricity details. We can assess the system design and explain the applicable incentives that should be considered in your solar quote.

Check My Solar Options
Why Make My Solar

Solar designed around your home.

Choosing solar isn't simply about buying the biggest system available. We look at how your home uses electricity, what your property can support and what your energy needs may look like in the future.

13.3 kW
Our approach

A 13.3kW system isn't right for every home.

Our job isn't to convince every customer to choose a 13.3kW solar system. Our job is to determine whether it actually makes sense for your electricity usage, property and future energy needs — and recommend a system size that fits.

800+ Installations

Experience across residential solar installations and energy solutions.

Aussie Owned & Operated

An Australian-operated solar business focused on local customers and energy needs.

SAA-Accredited Designers & Installers

Solar design and installation should meet current accreditation, licensing and scheme requirements.

Australian Standard Compliance

System design and installation must account for applicable Australian standards and local requirements.

Customised Solar Solutions

System design is shaped around your consumption, property and energy objectives rather than a one-size-fits-all package.

Residential & Commercial Experience

Experience across different property types, system sizes and energy requirements.

Our Solar Assessment

Six things we look at before recommending your system.

A good solar design starts with understanding the property and the customer's energy requirements. We assess the factors that can affect system size, generation, installation and future flexibility before recommending a solution.

01

Electricity Usage

Current consumption, usage patterns and energy bills.

02

Roof

Roof space, orientation, shading, access and layout.

03

Electrical Setup

Switchboard, supply, wiring and network considerations.

04

Future Loads

EV charging, pool equipment, air conditioning and electrification.

05

Battery

Whether storage could support your energy usage and goals.

06

System Design

The final combination of panels, inverter and system architecture.

Electricity Usage We look at how much electricity the household uses and when that energy is being consumed.
Roof Suitability Available roof area, orientation, shading and access can influence the practical system design.
Electrical Setup Switchboard condition, supply characteristics and network requirements can affect the installation.
Future Energy Needs We consider potential changes such as EVs, pools, heating, cooling and other major electrical loads.
Battery & Design Where appropriate, battery storage can be considered alongside the solar system and future energy strategy.
When 13.3kW may make sense

Higher energy consumption

A 13.3kW system may be worth considering for larger homes, households with high electricity usage or properties with substantial daytime and future energy requirements — provided the roof, electrical setup and network conditions support the design.

When another size may be better

Bigger isn't automatically better

If your electricity consumption is lower, roof space is limited, shading is significant or your future energy requirements are different, a smaller or differently configured solar system may provide a better fit.

We don't start with the system size.

We start with your home. From electricity usage and roof conditions through to electrical requirements, future loads, battery options and system design, our goal is to build a solution that makes sense for the property — not simply sell the largest package.

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Max efficiency 97.2%

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GoodWe Solar Inverter
INVERTERS
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GoodWe

GoodWe, established in 2010, is a large, well-known Chinese inverter manufacturer that offers a vast range of cost-effective solar and hybrid inverters. Taking home top industry awards, GoodWe boasts the coveted title of 'Top Inverter Brand' for Australia and other countries in 2017 – 2021, awarded by EuPD Research.

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Jinko Tiger NEO Solar Panels and GoodWe Inverter
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LONGi Solar

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Sungrow Solar Inverter
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02 BUDGET FRIENDLY

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SOLAR EXPERT SUPPORT

Need Help Choosing?

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