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Best Off-Grid Solar Systems in Australia: Top Picks 2025
Best Off-Grid Solar Systems in Australia_ Top Picks 2025

Best Off-Grid Solar Systems in Australia: Top Picks 2025

Published on:
April 24, 2025

Are you one of those who crave living independently from the grid, whether it’s in a remote home surrounded by nature or a peaceful rural property?  

Imagine a life where each watt of energy you use comes from a clean, free, renewable source—no electric bills or dependency on a distant electricity provider to run your home appliances! 

Sounds like a daydream, doesn’t it?  

But this isn’t a dream anymore for Australians. The off-grid solar system has made it a reality, allowing you to break free from the grid while ensuring energy freedom and maximizing cost savings. 

So, in this blog, let’s explore the best off-grid solar systems in Australia and how you can turn this liberating lifestyle into a reality. 

Ready to embrace this energy freedom? Let’s dive in!  

Discover the Freedom of Off-Grid Solar: Power Your Life Anywhere!

Let’s have a quick glimpse at two very basic questions people have in their minds, such as:   

  • What is an off-grid solar system?  
  • Which is better for Australians, on-grid or off-grid solar? 

Well, an off-grid solar system is an independent system that powers your home without relying on the central electric grid.  

This autonomous, standalone system consists of solar panels, charge controllers, batteries, and inverters to store and convert solar energy into usable electricity. It is self-sufficient and doesn’t depend on traditional power or external energy sources. 

Off-grid systems are especially beneficial for remote or rural places where grid power is unavailable or expensive. 

Regarding the second question, when it comes to choosing the right solar system for Australians, the answer basically hinges on your location and your home’s energy needs.  

Even though on-grid solar systems are ideal and typically more affordable and easier to install for urban people, they are unreliable and non-existent in more remote corners of Australia. 

Therefore, the decision is evident: off-grid is the straightforward, sustainable path to unlock true energy freedom for those seeking energy autonomy.  

It keeps your home running without power outages or high electricity bills, which is a win-win for both the environment and your wallet.  

Also, with off-grid solar, you’re not only taking control of your energy consumption but also contributing to a greener planet, reducing your carbon footprint 

Off-Grid vs. On-Grid Systems: A Comparative Overview

FeaturesOff-grid Solar systemOn-grid Solar System
Grid ConnectionNot ConnectedConnected
Storage RequirementsNeed a battery for energy storage.Not mandatory, but can be used as an option for cost savings.
Power SupplySupplies power only to the off-grid location.Supplies power to the home and can export excess power to the grid.
System CostThe initial cost is higher, but it offers long-term savings.Low installation cost, but charges utility expenses.
ReliabilityA backup generator may be needed in case of extreme weather and prolonged power outages.Less impacted by weather, as the grid is available as a backup
Maintenance RequirementsRequires regular maintenance of batteries and the systemLow maintenance, as utility providers perform regular care

Build Your Power Haven: Essential Components for Off-Grid Solar

Essential Components for Off-Grid Solar

Before you bask in the glow of off-grid solar’s self-sufficiency, let’s break down the must-have components that will turn sunlight into reliable, usable power.  

So, here is the component list that works together to ensure uninterrupted power in your household:  

Solar Panels (Photovoltaic Modules) 

  • Captures sunlight when it falls on the semiconducting surface, which is then converted into direct current (DC) electricity. 

Charge Controller 

  • Regulates the voltage and current coming from the solar panels to prevent overcharging the batteries. 
  • Types: PWM (Pulse Width Modulation), MPPT (Maximum Power Point Tracking – more efficient). 

Battery Bank 

  • Stores energy for use when the sun isn’t shining such as nights or cloudy days. 
  • Popular choices: Lithium-ion (more efficient & lighter), AGM or Lead-acid (cost-effective). 

Inverter 

  • Converts DC from the batteries into AC electricity to power standard household appliances. 
  • Types: Pure sine wave offer cleaner power for electronics, Modified sine wave are cheaper, but less compatible.  

Mounting System 

  • Racks, brackets, or poles to mount your solar panels securely at the correct angle. 
    Mounting Options: Roof-mounted, ground-mounted, pole-mounted.  

Monitoring System 

  • Tracks energy production and consumption. 
  • It can be app-based, and some inverters also come with built-in monitoring system. 

Alternative Backup (Generator or Additional battery) 

  • Provides emergency power when solar isn’t sufficient. 
  • Especially useful in cloudy climates or high-power usage scenarios.  

Planning Your Off-Grid Solar? | Must-Know Factors for a Successful Installation

Are you already planning for off-grid living but confused about how to install everything successfully? Well, this solar emporium’s guide is here to enlighten your journey.   These are the key factors you need to know for a successful installation: 
  1. Calculate your household’s energy consumption rate to design an appropriate system. 
  1. Check your geographical location because the amount of sunlight varies. For example, regions in Northern Australia will generate more solar power than those in the South. 
  1. Battery storage is one of the most critical components of an off-grid system. High-quality batteries, such as lithium-ion or lead-acid batteries, are essential to storing the energy generated by your system. 
  1. From small home systems to large commercial systems, there are numerous system sizes available in Australia. Therefore, work with a professional installer and determine your perfect fit. 
  1. Solar panels and batteries require little maintenance, but keeping them clean and well-maintained is essential. Also, choose renowned companies that offer professional support when necessary.  

Is It Possible to Go Completely Off-Grid with Solar Power?

Yes! It is absolutely possible to go completely off-grid with solar power in Australia, but it requires careful planning and the right system components. With all the elements in place, you can live independently off the grid, enjoying 100% renewable energy. 

To achieve this, you need enough Solar Panel Capacity. The more panels you have, the more solar energy you can collect.  

However, you’ll need to be conscious of energy consumption and aim to reduce your reliance on electricity. Use energy-efficient appliances and LED lighting, and consider solar water heating or a solar-powered hot water system. 

Also, sizing your battery system properly is essential to avoid running out of power during extended periods of low sunlight. 

Some people include a backup generator as a safety net in their off-grid setup. This generator can be powered by diesel, LPG, or even renewable resources like wind or hydropower.  

Is Going Off-Grid in Australia Worth It? A Detailed Cost Analysis!

Is Going Off-Grid in Australia Worth It

In 2025, the cost of off-grid solar systems has decreased significantly, making them more accessible for homeowners and businesses. However, a full off-grid setup can still be an expensive upfront investment.  

Here’s a breakdown of the typical costs involved: 

  • Solar Panels cost 

A high-quality solar panel system typically costs between $3,000 and $8,000. So, for a completely off-grid setup, the average home requires around 5-10 kW of solar power. 

  • Battery Storage Price 

One of the most significant barriers to switching to an off-grid system is the cost of solar batteries 

Nowadays, lithium-ion batteries are becoming the preferred choice for Australian residents due to their efficiency and longer lifespan. They generally cost between $6,000 and $15,000. 

  • Inverter and Controller 

A reliable inverter is necessary to convert the direct current (DC) power generated by the panels into alternating current (AC) for use in the home.  

Depending on its capacity, an inverter costs from $1,000 to $3,000. 

  • Installation Costs 

Installation costs can vary depending on your location, but a professional installation will cost between $3,000 and $6,000. 

  • Ongoing Maintenance 

Solar systems require minimal maintenance for the panels. The most significant ongoing cost is battery replacement, which is performed periodically, approximately every 10-15 years. 

Overall, a typical off-grid solar system in Australia can cost between $25,000 and $45,000, depending on system size and location.  

However, while the initial investment might seem high, many homeowners find that the savings on their electricity bills justify the price, making their off-grid investment worthwhile. 

Also, the Australian government has announced a new national battery booster program to increase clean energy access and make it more affordable.

Cost Estimation of off-grid solar systems in Australia in 2025

A basic small home system with 3 to 5 kW of energy needs $25,000 to $35,000. 

A medium average household of 5 to 10 kW costs around $35,000-$50,000. 

Any high-end system above 10 kW will cost around $50,000 to $70,000. 

However, you can also take advantage of various rebates and incentives, such as small-scale technology certificates (STCS), renewable energy certificates, and large-scale generation certificates, to further reduce costs. 

You can also explore our best deals on solar packages for any specific brand or size. Our expert team will help you pick the best system for your off-grid home.

Which Off-Grid Solar System Is Ideal for Your Aussie Home? Let’s Find Out!

Tesla Powerwall 2 & SunPower Panels: Your Premium Option!

While several options are available in the market, combining Tesla’s Powerwall 2 with SunPower solar panels can be one of Australia’s most efficient and reliable off-grid solar solutions.  

Over the years, Tesla has solidified its reputation for cutting-edge technology and energy storage solutions. These lithium-ion batteries can hold 13.5 kWh of energy, providing reliable backup for your home 

Why is it an excellent choice?  

  • Ensures seamless interaction between solar panels and battery storage.  
  • Produce more power from a smaller surface area. 
  • Ideal for homeowners looking for long-term, robust performance. 
  • Premium, but worth the investment. 
  • Durable and uses top-tier technology. 

Redback Smart Hybrid System: Advanced Technology and Smart Management

Redback ensures an efficient off-grid solar system with a Smart Hybrid system. This comprehensive solution integrates all the components, from batteries to inverters, and manages energy usage efficiently. 

The system is designed to optimize energy production and consumption while minimizing reliance on the grid. 

Why It’s Ideal for? 

  • Have an advanced energy management app. 
  • Allows remote control. 
  • Perfect for tech-savvy homeowners or small businesses. 
  • Adapts easily to any lifestyle. 
  • Offers excellent value for money.

Alpha Ess Storage & Fronius Solar Panels: Reliable and Scalable

The Alpha Ess Storage system, paired with a Fronius inverter and solar panels, offers a scalable solution perfect for residential and small business applications.  

Known for its efficiency and reliability, this system is also compatible with a wide range of batteries, giving you flexibility in choosing your energy storage solution. 

Why it’s great? 

  • Most trusted in the market.  
  • Offers high efficiency and easy integration with other devices. 
  • A flexible, reliable system that can grow with their energy needs. 
  • Reasonably priced 
  • High returns on investment.

SolarEdge Energy Hub Inverter & LG Chem RESU Battery: High Efficiency & Scalability

SolarEdge’s Energy Hub inverter, paired with the LG Chem RESU battery, is a high-performance combination designed for off-grid living.  

This incredibly efficient technology optimizes energy production and is perfect for areas with low sun exposure. Moreover, the LG Chem RESU batteries offer excellent performance due to their remarkable durability and efficiency.  

How does this combination perform best? 

  • SolarEdge’s panel-level monitoring ensures that each  
  • Each solar panel operates at its peak efficiency, ensured by panel monitoring 
  • The LG Chem RESU battery is one of the best in its class for off-grid systems. 
  • Flexibility and modularity allow it to expand its system to meet energy needs. 
  • High-end yet provides long-term value and energy independence.

The Unmatched Benefits of Off-Grid Solar Systems: Freedom, Savings & Sustainability!

Off-grid solar systems offer multiple benefits, making them an attractive option for many Australians: 
  1. With Off-grid systems, you can generate your own electricity, eliminating the need for a traditional power supply and giving you energy freedom.  
  1. Once your off-grid system is paid for, you won’t need to pay for electricity bills anymore. Meanwhile, you’ll get a return on investment within 5-7 years.  
  1. Solar energy is a clean, renewable resource. By going off-grid, you cut your carbon footprint and contribute to a more sustainable energy future.  
  1. As energy costs continue to rise, Australians are increasingly interested in the ability to live independently from the grid.  
  1. Off-grid solar systems can help prevent power outages, especially in remote areas or regions prone to extreme weather. 
  1. Using a solar battery to store your electricity will allow you to be flexible and also use energy at night.  
Benefits of Off-Grid Solar Systems

Join Solar Emporium & Enjoy Seamless Experience while Switching to Off-Grid

Going off-grid is an excellent alternative to electricity, which emits carbon dioxide and contributes to global warming. With the right guidelines, the grid transition process becomes simpler and straightforward. 

Are you looking for a CEC-accredited installer in Australia?  

From planning to post-installation support, we provide top-notch quality service in Australia. With nearly 50,000 happy customers, we can ensure safe, easy, and pocket-friendly off-grid installation. 

So, contact us today and win a free solar quote! 

Our Solar Experts are here to Help!