How Much Do Solar Batteries Cost in Australia?
Solar batteries are becoming increasingly popular in Australia as a way to store excess energy generated by solar panels. However, many people are unsure about the cost of installing a solar battery system and whether it is worth the investment. In this guide, we will explore the cost of solar batteries in Australia, including the factors that can impact the price and the potential savings you can expect. Additionally, we'll answer the common question:
How much should I pay for a 5kW solar system?
Key Takeaways:
- Solar battery cost: Understand the average price range for solar batteries in Australia.
- Solar battery storage cost: Discover factors that influence the cost of solar batteries.
- Battery installation: Learn about the installation process and considerations.
- Buy a solar battery: Find out how to make an informed purchase decision.
- Best solar battery storage:
Explore top brands and models for solar battery storage.
Understanding the Cost of Solar Batteries
When considering the installation of a solar battery system in Australia, it's important to understand the cost factors involved. The price of solar batteries can vary significantly based on various factors, including the brand, model, capacity, and quantity of batteries.
On average, the cost of solar batteries in Australia ranges from $1,000 to $2,000 per kilowatt hour (kWh) of storage capacity. For example, a 4kWh battery can cost between $4,000 to $8,000.
Several additional factors can affect the cost of solar batteries, including:
- The type of battery: Lithium-ion batteries generally have a higher price compared to lead-acid batteries.
- Brand reputation: Well-known brands often command higher prices due to their reliability and performance.
- Additional features and warranties: Some batteries may come with advanced features or longer warranties, which can increase the cost.
It's important to carefully consider your specific energy needs and budget when choosing the right solar battery system for your home or business. Understanding
how much solar panels can save you is crucial in making an informed decision.
| Battery Capacity | Price Range (Battery Only) | Price Range (Including Inverter/Charger) |
|---|---|---|
| 3kWh | $4,100 | $4,560 |
| 8kWh | $10,160 | $11,120 |
| 13kWh | $15,860 - $17,030 | N/A |
| 18kWh | $24,248 - $26,640 |
What Influences the Cost of Solar Batteries?
Several factors can influence the cost of solar batteries in Australia. When considering the purchase of a solar battery system, it's important to take into account the following:
- Solar Battery Brand: The brand and reputation of the solar battery can affect the price. Well-known and established brands often come with a higher price tag due to their reliability and quality.
- Battery Type: The type of battery, such as lithium-ion or lead-acid, can also impact the cost. Lithium-ion batteries are generally more expensive but offer higher energy density and longer lifespan.
- Battery Capacity: Battery capacity refers to the amount of energy the battery can store. Higher-capacity batteries usually come with a higher price. It's essential to consider your energy storage needs when selecting a battery capacity.
- Solar System Compatibility: It's crucial to ensure that the solar battery you choose is compatible with your existing solar system. Compatibility issues can result in additional costs for modifications or system upgrades.
- Battery Inverter: A battery inverter is required to convert the direct current (DC) stored in the battery into alternating current (AC) used by your household appliances. The cost of the battery inverter is an additional consideration to factor in.
- Installation Cost: The installation cost, which includes labor, permits, and equipment, can significantly impact the overall cost of a solar battery system. It's important to obtain quotes from reputable installers to get an accurate estimate.

By considering these factors and conducting thorough research, you can make an informed decision and choose a solar battery system that meets your energy storage needs and budget.
| Battery Brand | Battery Type | Battery Capacity | Price Range (AUD) |
|---|---|---|---|
| Brand A | Lithium-ion | 4 kWh | $4,000 - $6,000 |
| Brand B | Lead-acid | 6 kWh | $3,500 - $5,000 |
| Brand C | Lithium-ion | 10 kWh | $8,000 - $10,000 |
Average Solar Battery Prices in Australia
If you're considering investing in a solar battery system for your home in Australia, it's important to understand the average prices of these batteries. The cost of a solar battery can vary depending on factors such as battery capacity, installation requirements, and the specific features included. To give you a better idea of the prices you can expect, here are some average estimates for different battery sizes:
| Battery Size | Cost (Battery Only) | Cost (Including Inverter/Charger) |
|---|---|---|
| 3kWh | $4,100 | $4,560 |
| 8kWh | $10,160 | $11,120 |
| 13kWh | $15,860 - $17,030 | N/A |
| 18kWh | $24,248 - $26,640 | N/A |
Please note that these prices are just averages and may vary depending on factors like the brand, model, and additional features of the battery. It's essential to consult a reputable installer to get an accurate quote tailored to your specific requirements and location.
Calculating the Payback Period for Solar Batteries
The payback period for a solar battery system is a crucial consideration when deciding whether it is worth the investment. This period refers to the time it takes for the cost of the battery to be recouped through savings on your energy bills. Several factors influence the payback period, including the initial cost of the battery, its capacity, the savings you can expect from using the battery, and other factors such as the solar feed-in tariff and battery lifespan.
Factors Affecting the Payback Period
The payback period of a solar battery system is influenced by various factors:
- Solar Battery Cost: The upfront cost of the battery is a significant factor in determining the payback period. Generally, the higher the cost of the battery, the longer it will take to recoup the investment.
- Cost Savings: The amount of money you can save on your energy bills by using a solar battery system plays a crucial role in determining the payback period. The greater the energy savings, the faster you can recoup the battery cost.
- Solar Feed-in Tariff: If your region offers a generous solar feed-in tariff, it can accelerate the payback period by enabling you to earn credits for excess energy fed back into the grid.
- Battery Lifespan: A longer battery lifespan can provide more years of savings and shorten the payback period.
Typical Payback Period for Solar Batteries
On average, it takes around 10 to 20 years for a solar battery system to pay for itself. However, keep in mind that this duration can vary depending on the factors mentioned above.

To help you assess the payback period further, consider the following example:
| Battery Size | Estimated Cost (Battery + Installation) | Average Annual Energy Savings | Average Annual Energy Savings Payback Period |
|---|---|---|---|
| 4kWh | $6,000 | $500 | 12 years |
| 8kWh | $10,000 | $800 | 12.5 years |
| 12kWh | $14,000 | $1,200 | 11.7 years |
These figures are estimates and can vary based on your specific situation, including your energy consumption patterns and local circumstances. To determine the payback period for your solar battery system accurately, it's recommended to consult with a professional installer who can assess your energy needs and provide customized calculations.
Taking Advantage of Government Support
Installing a solar battery system in Australia can be a significant investment. However, to make solar batteries more accessible and affordable, many state or local governments offer a range of incentives and rebates. These government programs aim to promote renewable energy, energy efficiency, and the storage of solar power. By taking advantage of these incentives, you can reduce the upfront cost of installing a solar battery system and maximize your savings in the long run.
To explore the government support available in your area, it's important to research the options and requirements specific to your location. The availability and amount of incentives can vary between states, so it's worth checking with your local council or government agency for the most up-to-date information.
The types of government support for solar batteries may include:
- Solar battery rebates: These programs provide financial assistance in the form of rebates, which can help reduce the overall cost of purchasing and installing a solar battery system.
- Government incentives: In addition to rebates, there may be government incentives available, such as grants or low-interest loans, to further offset the upfront costs of going solar.
By leveraging the government support and incentives, you can make the transition to solar power storage more financially feasible. Not only will you save on your energy bills in the long run, but you will also contribute to a cleaner and more sustainable future.
| State | Solar Battery Rebates | Government Incentives |
|---|---|---|
| New South Wales | Up to $3,000 | Solar for Low Income Households Program |
| Victoria | Up to $4,838 | Solar Homes Program |
| Queensland | Up to $3,000 | Interest-free loans |
| South Australia | Up to $3,000 | Home Battery Scheme |
| Western Australia | Up to $6,000 | Renewable Energy Buyback Scheme |
| Tasmania | Up to $2,000 | Interest-free loans |
Note: The rebate amounts and government programs mentioned in the table are subject to change and eligibility criteria. Make sure to check with the respective state and territory government websites for the most accurate and up-to-date information.
Exploring Virtual Power Plants
Virtual power plants (VPPs) are networks of connected solar battery systems that contribute to the stability and reliability of the energy grid. Through energy sharing and collaboration, homeowners can participate in VPP programs and experience a range of benefits, from bonus feed-in tariffs to annual fixed fees or discounts on battery installations.
By joining a VPP, you not only contribute to the larger energy grid but also enjoy blackout protection and increased grid independence. The pooling of energy stored in interconnected solar batteries ensures a more resilient and sustainable energy system for everyone involved.

Participation in VPP programs may have additional requirements and limitations, but they serve as opportunities for homeowners to optimize the use of their solar batteries and unlock the full potential of their renewable energy systems.
Benefits of Virtual Power Plants:
- Contribute to the stability and reliability of the energy grid
- Receive bonus feed-in tariffs, annual fixed fees, or discounts on battery installations
- Enjoy blackout protection during power outages
- Increase grid independence and reduce reliance on traditional energy sources
| Benefits | Description |
|---|---|
| Contribute to the stability and reliability of the energy grid | By pooling energy stored in interconnected solar batteries, VPPs help balance energy supply and demand, enhancing grid stability and reducing the risk of blackouts. |
| Receive bonus feed-in tariffs, annual fixed fees, or discounts on battery installations | Homeowners participating in VPP programs can enjoy financial incentives, such as higher feed-in tariffs for exporting excess energy back to the grid, annual fixed fees for providing grid support, or discounts on the purchase and installation of solar batteries. |
| Enjoy blackout protection during power outages | During grid outages, VPPs enable homeowners to continue powering their homes using the stored energy in their solar batteries, ensuring uninterrupted electricity supply and peace of mind. |
| Increase grid independence and reduce reliance on traditional energy sources | By participating in a VPP, homeowners contribute to a more sustainable and renewable energy future while reducing their dependence on fossil fuel-based electricity from the grid. |
Is a Solar Battery System Worth the Cost in Australia?
When considering whether to invest in a solar battery system in Australia, it's essential to weigh the costs and benefits. While there are upfront expenses associated with installation and purchasing a solar battery, the long-term advantages make it a worthwhile investment.

One of the significant benefits of solar batteries is the reduced reliance on the grid. By storing excess energy generated by your solar panels, you can use it during peak demand periods or when the sun isn't shining. This increased energy independence can lead to substantial savings on your electricity bills over time.
Furthermore, installing a solar battery system contributes to a greener future by reducing carbon emissions. By harnessing and storing renewable energy, you can minimize your environmental impact and create a more sustainable lifestyle.
While the cost of solar batteries and potential savings can vary, careful research is key. Compare prices and features from reputable brands, evaluate your energy consumption needs, and consider available incentives or rebates. By doing so, you can make an informed decision about whether a solar battery system is worth the investment for your specific circumstances.
Empowering Your Property: Perth Solar Power Installations
Perth Solar Power Installations is your premier choice for clean and efficient solar solutions in Perth, Western Australia. Specializing in top-quality solar PV systems, inverters, and batteries, we offer seamless installation and maintenance services at cost savings.
Our comprehensive approach includes assessing optimal panel positioning and ensuring safety during installation. From various solar system sizes to roof ventilation and pool heating options, we cater to diverse energy needs. Make the switch to sustainable and cost-effective energy with us.
Contact our head office today for customized quotes and join the growing community benefiting from renewable energy in Perth's mild climate.
