Unlock Cost-Effective Sustainability: Exploring the Price of a 13 kW Solar System with Battery

Are you looking to unlock the potential of sustainable energy while maintaining a cost-effective approach? Find out about 13 kW solar system with battery price which can help you achieve both goals. In this article, we delve into the price range of this solar system to determine its affordability and long-term benefits.


Sustainability has become a pressing issue, and more and more homeowners are turning to solar energy as a viable solution. By harnessing the power of the sun, you can reduce your carbon footprint and enjoy significant savings on your energy bills. We explore the affordability of a 13kw solar system with battery, analyzing the factors that influence its price.

From the initial installation cost to potential government incentives and long-term return on investment, we provide you with a comprehensive understanding of the financial implications.

Join us as we break down the numbers and shed light on the cost-effectiveness of this sustainable solution. Whether you are motivated by environmental concerns or simply looking to reduce your energy expenses, this article will help you make an informed decision about investing in a 13kw solar system with battery.

A 13kW solar system with battery setup, featuring around 30 solar panels, each with a power output of 440W, is a great solution for bigger families and businesses that use a lot of energy. This configuration provides a lot of power generation and storage, leading to big savings and the ability to be less dependent on the power grid. All our 13kW solar system are CEC approved.

Here’s a detailed look at what to expect:

Factors that affect the price of a 13 kw solar system with battery

Solar Panels

  • Output: The 13 kW Solar system with battery typically includes 30 panels, each with a capacity of 440W.
  • Efficiency: Choosing high-efficiency panels is key to getting the most out of the system, especially for larger setups to make the most of available space and energy output.
  • Warranty: Most of the panels usually have 25 years, ensuring they last a long time.


  • A powerful, high-capacity inverter is necessary to convert DC to AC power and manage the flow of energy between the panels, battery, and the grid.
  • It’s important to choose a reliable inverter, often a hybrid type, to ensure the system operates smoothly.
  • Warranties for inverters are typically 10 years.


  • A bigger battery is needed to match the increased power generation, with typical capacities ranging from 20-30kWh or more.
  • Lithium-ion batteries are preferred for their efficiency, durability, and compact size.
  • Warranties for batteries are around 10 years or a set number of charge cycles.


  • A 13 kW solar system with a battery significantly reduces reliance on the power grid, providing a large portion of the energy needed independently.
  • This setup leads to substantial savings on energy bills.
  • The ability to store excess energy for later use during peak times further enhances savings.
  • Choosing a renewable energy source like solar power reduces carbon emissions.
  • The increased battery capacity ensures a reliable backup during power outages, meeting the energy demands without interruption.


  • The initial cost is higher, but there are government incentives, rebates, and financing options available to help manage this expense.
  • A larger roof area is needed, and the setup should be orientated towards the sun for optimal energy production.
  • It’s important to have a professional site assessment to ensure the system is installed correctly and meets the specific energy needs of the household or business.

Customer Feedback

Customers who have a 13.2 kW solar system with a battery report high levels of satisfaction. They often mention.

  • A significant drop in their electricity bills.
  • An easy-to-install system.
  • High reliability and a smooth transition during power outages.
  • Excellent customer support and warranty service.

Return on investment (ROI) for a 13 kW solar system with battery

Our 13 kW solar system is designed for large homes that consume high levels of electricity. It can also be used by small businesses that utilize relatively small electricity. 13.3 kW solar panels generate an average of 40kWh per day.

So for Aussies who have a bigger household and a roof space that is spacious enough can opt for our 13.2 kWh solar energy system to invest in clean energy, save on electricity bill and to combat climate change! Get our 13.2 kW Tier 1 solar system for the best quality, low maintenance, and affordable solar system option.

Average cost of a 13 kw solar system with battery

In Sydney, a variety of 13.2 kW solar systems are available with different sizes and wattage of panels. Hence the prices vary. However, on average, a 13 kW solar system will cost you around $14,000 to $18,000 in Sydney. This cost will become even lower if you are eligible for a solar rebate. The amount of rebate varies according to your location and the size of your solar system. For example, if you live in Sydney and invest in Ultimate Energy’s 13 kW solar system which costs around $16,300, you can receive a rebate of approximately $6,900.

13.2 kW Solar System output

A 13kW Solar System requires a roof area of approximately 75 to 85 m2 to be laid out. Depending on the size of the solar panels and the package you select, a 13.2kW solar system includes 30, 440W N type, panels and a 10kW single phase inverter or 10kW 3 phase inverter. The system can generate approximately 44kWh to 52kWh of output on a daily basis, depending upon your location and the wattage of the solar panels.

Do I need to invest in a 13 kW Solar System?

Typically, a 13.2kW solar system is best suitable for extra-large family homes. However, the answer completely depends upon your average daily power consumption. You can obtain this information from your monthly or quarterly energy bill. If your average daily energy consumption falls between 42kWh to 52kWh, a 13kW solar system is the most suitable option for you.

However, after installing a solar system, careful usage of heavy appliances such as dishwasher, washing machine, dryer, etc is recommended. To make efficient use of your 13.56kW solar system, make sure to perform all heavy energy consumption activities during the daytime.

Payback period of a 13 kW Solar System in Sydney

The average payback period of a good quality 13.20kW solar system in Sydney is 3 to 6 years. However, the results depend upon your location and energy consumption habits. On average, you can save up to $1000 to $1300 on each energy bill. However, this amount can vary according to your electricity cost.

13.20 kW Solar System with battery storage

Adding a solar battery to your 13.56kW solar panel system is a good way to make the most of it. The battery will back up the unused power during the daytime which can be consumed at night, hence leading your energy bills to be even lower.

Where to buy a 13 kW Solar System?

So now that you know almost everything that you must be aware of before investing in a 13 kW solar system, it’s time to buy one. At Ultimate Energy Australia, we understand your varying power needs. Therefore, we offer two different 13.2kW solar system packages.

Our 13.2kW Performance and Premium Solar System packages are designed to provide a high-quality power solution for extra large family homes and small businesses. These solar systems generate an average daily output of 52.73kWh, offering approximately 21.5% efficiency depending upon your location in Sydney and the weather there.

If you want to know more details about these packages, our super-friendly support team is just a call away. Contact us today to select the best 13.2 kW solar system in Sydney and get ready to enjoy a power-efficient lifestyle.

Scroll to Top