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The Truth behind Solar Panel Output: What You Need to Know

As the world increasingly shifts towards renewable energy, solar power has emerged as a popular and accessible option for homeowners and businesses alike in Australia. Harnessing the sun’s power to generate electricity not only helps the environment but also reduces your dependence on fossil fuels and can save you money in the long run. However, before diving into the world of solar energy, it’s essential to understand how much electricity a solar panel can produce. In this blog section, we will delve into the factors that determine a solar panel’s output and explore the average production of solar panels in Australia.

Factors Affecting Solar Panel Output

Several factors can influence the amount of electricity produced by a solar panel. These include the panel’s efficiency, the amount of sunlight received, the angle and direction of the panel, and the environment’s temperature. Let’s take a closer look at each of these factors.

1. Panel Efficiency

Solar panel efficiency refers to the proportion of sunlight the panel can convert into electricity. Higher-efficiency panels can produce more power from the same amount of sunlight. Solar panel efficiency typically ranges from 15% to 22%.

2. Sunlight

The amount of sunlight a solar panel receives directly affects its output. The more sunlight available, the more energy the panel can produce. Australia is known for its abundant sunshine, making it an ideal location for solar panel installations. However, sunlight can vary depending on your location, the time of year, and the weather.

3. Panel Angle and Direction

The angle and direction in which solar panels are installed can significantly impact their output. In Australia, the ideal direction for solar panels is to face north, where they can receive the most sunlight throughout the day. Additionally, the angle of the panels should be adjusted to match the latitude of the installation location to maximise their exposure to sunlight.

4. Temperature

Solar panels are more efficient at cooler temperatures. As the temperature increases, the panels’ efficiency decreases, resulting in reduced output. This factor is particularly relevant in Australia, where temperatures can soar during the summer months.

Average Solar Panel Output in Australia

Now that we have a better understanding of the factors that influence solar panel output let’s look at the average production in Australia. Most residential solar panel systems in Australia range from 3kW to 10kW in size, with the average system size being around 6.6kW.

The output of a solar panel is usually measured in watt-hours (Wh) or kilowatt-hours (kWh). A 6.6kW solar system in Australia can be expected to produce around 24kWh of electricity per day, but this figure can vary depending on the factors mentioned earlier.

To better understand how this output translates to real-world usage, let’s consider the average Australian household’s energy consumption. According to the Australian Energy Regulator, the average Australian home consumes approximately 16-20kWh of electricity per day. With a 6.6kW solar system producing around 24kWh per day, the average household could cover its entire electricity usage with solar power.


Solar panels are an excellent investment for Australians looking to reduce their carbon footprint, save on energy bills, and take advantage of the abundant sunshine the country offers. While the output of a solar panel can be influenced by factors such as efficiency, sunlight, angle, direction, and temperature, the average solar system in Australia can produce enough electricity to power an average household. By understanding these factors and choosing the right solar system size for your needs, you can optimise your solar energy production and enjoy the benefits of clean, renewable energy.

Join the Green Revolution and invest in a sustainable future with Green Bank’s Solar products! From 550w solar panels to lithium batteries, inverters & off-grid solar systems, we offer a wide range of high-quality Solar products in Australia. Take a step towards a greener world today by choosing Green Bank and making the switch to Solar. Get in touch with us today!

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