20kw solar system brisbane

20kw Solar System Brisbane

Unlocking the Value of a 20kW Solar System in Brisbane: A Comprehensive Guide

At Queensland Solar & Lighting, we understand the importance of making informed decisions when it comes to investing in solar energy solutions. As the leading solar installation company in Brisbane, Queensland, Australia, we are committed to providing our customers with top-notch information to help them make the best choices for their energy needs. In this comprehensive guide, we will delve into the world of 20kW solar systems, exploring their benefits, costs, installation process, and more.

a 20kw solar system cannot be installed on a home or business with single-phase electricity.

The 20kw Solar is the next size up from the 15kw solar system. However, the 30kw solar system is the next bigger again. You are then talking commercial-sized solar systems.

Understanding the 20kW Solar System

What Is a 20kW Solar System?

A 20kW solar system is a robust and powerful solar energy solution designed to cater to the energy needs of larger residential properties and commercial establishments. It consists of solar panels, inverters, mounting structures, and electrical components that work together to harness sunlight and convert it into usable electricity.

How much electricity will a 20kw solar system make per day in Brisbane?

A 20kW solar system, on average, is capable of generating approximately 80 to 100 kilowatt-hours (kWh) of electricity per day, depending on factors such as geographical location, weather conditions, and the angle/positioning of the solar panels. Over the course of a year, this equates to approximately 29,200 to 36,500 kWh annually. However, it’s important to note that solar power production may vary seasonally, with higher output during the sunnier months and lower output during the winter or on cloudy days. Proper system design and location optimization can help maximize the power generation of your 20kW solar system.

Advantages of a 20kW Solar System

  1. High Energy Production: A 20kW solar system can generate a substantial amount of electricity, making it an ideal choice for properties with high energy consumption.
  2. Reduced Energy Bills: By harnessing solar power, you can significantly reduce your reliance on grid electricity, leading to substantial savings on your energy bills.
  3. Lower Carbon Footprint: Utilizing solar energy helps in reducing greenhouse gas emissions, contributing to a greener and more sustainable future.
  4. Increased Property Value: Installing a 20kW solar system can enhance the value of your property, making it an attractive investment for the long term.

The Cost of a 20kW Solar System in Brisbane

Factors Affecting Cost

The cost of a 20kW solar system can vary based on several factors:

  • Location: Solar panel installation costs may differ depending on your geographic location and local incentives.
  • Panel Quality: High-quality solar panels may have a higher upfront cost but offer better efficiency and durability.
  • Inverter Type: The choice of inverter, whether string or microinverters, can impact the overall system cost.
  • Roof Condition: The condition and structure of your roof can affect installation costs.

Typical Pricing

On average, a 20kW solar system in Australia can cost between $20,000 to $30,000, including installation. Keep in mind that this cost may be offset by government rebates and incentives, reducing the overall investment.

Installation Process

Site Assessment

Before installation, our expert team will conduct a thorough site assessment to determine the best placement for solar panels, ensuring maximum sunlight exposure.

Mounting and Wiring

The solar panels are securely mounted on your roof or a ground-mounted structure. Wiring is carefully installed to connect the panels to the inverter and the electrical grid.

Connection to the Grid

Once the system is installed and tested, it is connected to the electrical grid, allowing you to draw power from the solar system and export excess electricity.

Maintenance and Performance Monitoring

Regular maintenance is essential to ensure the longevity and efficiency of your 20kW solar system. Queensland Solar & Lighting offers comprehensive maintenance services, including panel cleaning, inverter checks, and performance monitoring.


Investing in a 20kW solar system is a smart choice for those looking to harness the power of renewable energy, reduce energy costs, and contribute to a sustainable future. At Queensland Solar & Lighting, we are dedicated to helping you make informed decisions about your solar energy needs. For expert installation, advice, and top-quality products, contact us today and take the first step toward a greener and more cost-effective energy solution.




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