If you’re thinking about switching to solar, one of the first questions you’re likely to ask is: what size solar system do I need? The answer depends on a few key factors — including your average daily energy usage, roof size, budget, and whether you plan to add battery storage or an electric vehicle in the future.
At SolaXs, we offer a wide range of residential and commercial solar system packages tailored to different energy needs. Whether you’re a small household looking to cut down power bills or a large business aiming for energy independence, we’ve got a system to suit. Explore the packages below to find the perfect size solar system for your property.
Table of Contents
1kW Solar System
Ideal for: Very small homes or minimal energy needs.
The 1kW system is a compact setup ideal for low-energy users or off-grid applications with limited space.
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1.5kW Solar System
Ideal for: Small households with basic energy needs.
The 1.5kW system offers an efficient solution for low-energy consumption, suitable for smaller residences.
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2kW Solar System
Ideal for: Small homes or retirees looking to offset daytime usage.
The 2kW system provides a modest output perfect for properties with light electricity usage.
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2.5kW Solar System
Ideal for: Energy-conscious households with low to moderate usage.
Our 2.5kW package is a cost-effective solution for small to medium homes looking to cut power bills.
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3kW Solar System
Ideal for: Homes with basic daily electricity needs.
The 3kW system provides a balanced solution for small households or apartments.
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3.3kW Solar System
Ideal for: Low-to-medium energy users seeking reliable output.
The 3.3kW system offers a great mix of performance and price for everyday home use.
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3.5kW Solar System
Ideal for: Small households with moderate energy usage.
With a little extra capacity, this system is suitable for energy-conscious families.
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4kW Solar System
Ideal for: Average-sized homes with daytime usage.
Our 4kW system is designed for growing households seeking long-term savings.
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4.4kW Solar System
Ideal for: Homes with slightly higher-than-average energy needs.
A reliable option for families looking for stable energy production and reduced power bills.
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4.5kW Solar System
Ideal for: Families wanting to cut daytime electricity costs.
This package is perfect for homes with growing energy demands and space to expand.
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5kW Solar System
Ideal for: Small to medium homes with moderate energy usage.
The 5kW system is one of the most common residential sizes, offering a great balance between cost and output for families.
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5.28kW Solar System
Ideal for: Homes seeking slightly more output than a 5kW system.
This system provides more daily generation and is perfect for homes with slightly higher usage or future expansion plans.
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5.5kW Solar System
Ideal for: Growing families or working-from-home households.
Our 5.5kW system offers strong output and savings potential for properties with steady daytime energy use.
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6kW Solar System
Ideal for: Medium-sized homes with multiple energy users.
The 6kW system suits families wanting strong power output and flexibility to grow with future needs.
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6.5kW Solar System
Ideal for: Households looking for reliable output and energy savings.
This system is great for energy-conscious families who use power throughout the day and want to reduce grid reliance.
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6.6kW Solar System
Ideal for: Most average-sized Australian homes.
The 6.6kW package is our most popular system — well-sized for great energy output, return on investment, and eligibility for rebates.
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6.6kW Solar System with Battery
Ideal for: Households wanting solar plus storage.
This package includes a battery, giving you the freedom to store excess solar energy and use it after dark—ideal for maximising energy independence.
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7kW Solar System
Ideal for: Families with high daytime energy use.
Perfect for homes with multiple appliances running throughout the day or who plan to add a battery down the track.
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7.7kW Solar System
Ideal for: Larger homes or light commercial spaces.
This slightly larger system is ideal for properties with rising energy needs and larger roof space.
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8kW Solar System
Ideal for: Bigger families or homes with EV charging needs.
The 8kW system generates strong daily output, great for powering busy households and preparing for future battery upgrades.
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8.8kW Solar System
Ideal for: Homes or businesses needing maximum daytime power.
A step above standard residential systems, the 8.8kW package helps maximise solar yield and bill reduction.
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9kW Solar System
Ideal for: High-usage homes or small businesses.
Our 9kW system is great for households with pool pumps, air conditioning, or high appliance use.
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9.9kW Solar System
Ideal for: Households just under the 10kW threshold for single-phase connections.
Maximise your energy output and rebate benefits with this top-end residential system.
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10kW Solar System
Ideal for: Large homes or small commercial sites.
The 10kW system produces excellent output and is often the go-to for households with heavy energy demands or solar + EV setups.
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10kW Solar System with Battery
Ideal for: Homeowners wanting backup and maximum savings.
This system includes battery storage, allowing you to use more of your solar power at night and during outages.
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10.5kW Solar System
Ideal for: Households or commercial setups with higher-than-average energy needs.
This package delivers more output for properties with high daily consumption or future energy growth plans.
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11kW Solar System
Ideal for: Homes or businesses scaling up their energy independence.
This size allows for significant energy offsetting across most of the day and night with battery pairing.
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12kW Solar System
Ideal for: Commercial or multi-occupant homes with high load.
This package gives strong ROI for businesses or homes running large HVAC systems or heavy appliances.
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13kW Solar System
Ideal for: High-consumption homes with solar-savvy owners.
This system suits properties with EVs, batteries, or future energy scaling needs.
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13.2kW Solar System
Ideal for: Homes seeking to maximise rebate returns and self-consumption.
One of the largest systems available for residential rebates, this is a smart long-term investment.
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13.28kW Solar System
Ideal for: High-output residential systems or small commercial.
Designed to deliver stable, reliable power with excellent efficiency.
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13.3kW Solar System
Ideal for: Families planning for solar battery storage or EV charging.
This system supports high energy demands and integrates well with future tech upgrades.
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13.5kW Solar System
Ideal for: Households with multiple energy users or home offices.
Suited to consistent usage across day and night, especially with solar storage.
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15kW Solar System
Ideal for: Large homes, farms, or small businesses.
This system provides generous output, perfect for powering larger households or rural operations with high equipment usage.
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19kW Solar System
Ideal for: Homes or businesses that need maximum residential capacity.
This system sits just under some commercial thresholds, offering impressive energy generation and savings.
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20kW Solar System
Ideal for: Medium-sized commercial premises or high-usage households.
The 20kW system offers outstanding value for commercial operators looking to cut grid dependence and operational costs.
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30kW Solar System
Ideal for: Small-to-medium businesses with large daytime energy loads.
This system is a powerful solution for offices, warehouses, or retail stores that want to significantly reduce energy bills.
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100kW Solar System
Ideal for: Large-scale commercial or industrial operations.
The 100kW system is designed for enterprises with significant energy consumption. It delivers high performance and efficiency, making it an optimal choice for large businesses committed to sustainability.
Learn more about our 100kW Solar System package
Still not sure what size system you need? Our team at SolaXs is here to help you assess your energy usage and roof space to recommend the perfect system for your home or business.