How Much Should I Pay For A 5kw Solar System in 2024?

Thinking about harnessing the power of solar energy for your home? A 5kW solar system might be the perfect choice for you! With its high energy yields and value for money, a 5kW solar system is one of the most popular sizes in Australia. It's an excellent option for residential use, offering a good balance between cost and power output.

A typical 5kW solar system consists of 15-20 panels, which require approximately 25-35m2 of roof space. These panels, usually around 1.7m by 1m in size, efficiently convert sunlight into electricity. The power output of your system will depend on factors such as location and panel efficiency. When determining your solar investment, it's essential to consider factors like 'how much should I pay for a 10 kW solar system?' to ensure you're making an informed decision.

So, how much does a 5kW solar system cost? On average, you can expect to pay $5,640 after the STC rebate. Keep in mind that prices can vary by city, with Adelaide being the least expensive at $4,760 and Darwin being the most expensive at $8,240. Additionally, you might wonder, 'How much is a solar battery in Australia?' It's worth obtaining quotes from different installers to ensure the best value for your money.

When it comes to power generation, a 5kW solar system can produce around 15-26kWh of energy per day. This amount will vary depending on factors like sunlight availability and panel efficiency. Additionally, the financial return on your investment will be influenced by factors such as solar feed-in tariffs and self-consumption rates.

Ready for the key takeaways?

When considering a 5kW solar system, it's important to understand how many panels are typically required and how much roof space is needed to accommodate them. This information will help you determine if your home is suitable for installing a 5kW solar system.



A 5kW solar system typically consists of 15-20 panels, depending on the wattage and size of the panels. The panels themselves are usually around 1.7m by 1m in size. These panels are designed to efficiently capture the sunlight and convert it into usable electricity.

In terms of roof space, a 5kW solar system requires about 25-35m2, depending on factors such as panel tilt and layout. It's essential to ensure that your roof has enough space to accommodate the panels and that they are positioned correctly for maximum sunlight exposure. Choosing the optimal tilt and orientation of the panels can significantly impact their efficiency and the overall energy production of your solar system.

Additionally, the efficiency of the panels themselves will also affect the power output of the system. Panels with higher efficiency ratings will generate more electricity from the same amount of sunlight, meaning you'll get more energy from each panel in your 5kW solar system.

Here's a comparison of some popular solar panels and their efficiency ratings:

As you can see, the panel efficiency can vary, and choosing panels with higher efficiency ratings can have a significant impact on the energy production of your 5kW solar system.



By considering the number of panels required, the amount of roof space needed, and the panel efficiency, you can determine if a 5kW solar system is suitable for your home. It's always recommended to consult with a reputable solar installer who can assess your specific roof conditions and provide a tailored solution that meets your energy needs.

When considering installing a 5kW solar system, one of the key factors to consider is the cost. The average cost of a 5kW solar system in Australia is $5,640 after the STC rebate has been deducted and including GST. However, it's important to note that prices can vary depending on the city you are in. For example, in Adelaide, the average cost is $4,760, while in Darwin, it is higher at $8,240.



It's important to understand that these prices already include the government STC rebate and GST. However, they may exclude any state-based rebates that might be available. In addition, the overall cost of a 5kW solar system can be influenced by factors such as the location, the installer you choose, and the quality of the equipment selected.

To ensure you get the best value for your money, it is recommended to obtain quotes from multiple installers. This way, you can compare prices and offerings to find the most suitable option for your needs. Investing time in research and obtaining multiple quotes can help you make an informed decision and ensure you receive the best possible deal for your 5kW solar system installation.

The financial return on a 5kW solar system is dependent on several factors, including the solar feed-in tariff, self-consumption rate, and energy usage patterns. By understanding these variables, you can estimate the potential savings and financial benefits of installing a 5kW solar system.

One of the significant advantages of a 5kW solar system is its ability to save you money on your energy bills. For a medium-sized household, it's not uncommon to save up to $500 off your quarterly electricity bill. However, the exact amount of savings will depend on various factors:

• Location: Areas with high electricity rates are likely to yield more significant savings.
• Electricity Rates: The cost per kilowatt-hour (kWh) of electricity in your area will impact your overall savings.
• Solar Energy Consumption: The amount of solar energy you use directly in your household will determine how much energy you need to draw from the grid, affecting your overall savings.

By considering these factors, you can get a clearer idea of the potential energy bill savings a 5kW solar system can provide for your specific circumstances.

Another crucial consideration for the financial return on a 5kW solar system is the solar feed-in tariff. In Australia, feed-in tariffs compensate solar system owners for any excess energy they export back to the grid. This can further offset the cost of your energy bills and potentially generate additional income.



It's essential to understand the feed-in tariff rates provided by your electricity retailer and the terms of your feed-in tariff agreement. These rates can vary between retailers and states, so it's worth researching and comparing the options available to you.

To determine the financial return on a 5kW solar system accurately, consider using solar system ROI calculators. These tools take into account various factors, including:

• Installation cost
• Energy savings
• Payback period



By inputting your specific details, such as system cost and electricity usage, these calculators can provide an estimate of your financial return over time. This information can help you make an informed decision about the potential benefits of a 5kW solar system for your home.

A 5kW solar system is an excellent choice for Australian homeowners looking to harness the power of solar energy. With its balanced power output and affordability, it is well-suited for most residential properties.



On average, the cost of a 5kW solar system in Australia is $5,640 after the STC rebate. This upfront investment is a worthwhile consideration, as a properly installed system can generate around 15-26kWh of power per day, depending on factors such as location and panel efficiency.

Furthermore, the financial return on a 5kW solar system can be optimized by considering factors such as feed-in tariffs and self-consumption rates. By obtaining multiple quotes from reputable installers and carefully evaluating energy needs and budget, homeowners can make an informed decision about whether a 5kW solar system is the right choice for them.

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.