Solar panels are a great way to save money on energy bills and reduce carbon footprint. But how long do solar panels last? As the world transitions towards sustainable and renewable energy sources, solar power has emerged as a promising alternative to traditional fossil fuels. With its abundant sunshine, Australia has become one of the leading adopters of solar energy. With the increasing popularity of solar panels across the country, homeowners and businesses are keen to understand the longevity of their solar investments.
Energy Matters has been a leader in the renewable energy industry since 2005 and has helped over 40,000 Australian households in their journey to energy independence.
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How fast do solar panels degrade in Australia
In Australia, solar panels typically have a lifespan of around 25 years. This means they will still produce electricity after 25 years, although their output may have decreased slightly. The minimum warranty period for all solar panels sold in Australia is 25 years.
Solar panel degradation
The degradation rate of solar panels varies depending on the manufacturer and the quality of the panels. Some panels may degrade at a rate of 0.5% per year, while others may degrade at a rate of 3% per year. This means that a panel that starts out producing 100 watts of electricity may only be producing 85 watts of electricity after 25 years.
Can solar panels last longer than 25 years?
Solar panel lifespan
Yes, solar panels can last longer than 25 years. In fact, some solar panels have been in operation for over 30 years and are still producing electricity.
The degradation of solar cells ultimately limits the lifespan of solar panels. However, the materials that solar cells are made of, such as silicon, are very durable and can last for many years.
In addition, the solar cell degradation rate has decreased over time. This is due to improvements in the manufacturing process and the use of better materials.
As a result, it is likely that solar panels will continue to last longer and longer in the future.
There are a number of factors that can affect the lifespan of solar panels, including:
- The quality of the panels. Higher-quality panels are typically made with better materials and construction, which can lead to a longer lifespan.
- The climate. Solar panels exposed to harsh weather conditions, such as high winds and hail, may have a shorter lifespan than panels sheltered from the elements.
- The maintenance. Solar panels that are regularly cleaned and inspected will typically last longer than neglected panels.
Tips that can help to extend the lifespan of your solar panels
- Protect your solar panels from shading by trees or other objects.
- Inspect your solar panels for damage regularly.
- Have your solar panels professionally cleaned every few years.
If you are considering installing solar panels, choosing a high-quality brand and having them installed by a qualified installer is important. You should also make sure to clean your panels regularly and to have them inspected by a professional every few years.
Is solar energy suitable for your business? Solar energy has numerous advantages that are worth investigating. Investing in solar will minimise your operational costs, reduce your company’s carbon footprint, and prepare it for the future. A commercial property with a solar installation is excellent for business.
When installing commercial solar for a company, it is crucial to be informed of all types of federal government solar rebates, incentives and the many benefits these provide, as they may help Australian businesses become future-ready and sustainable for years to come.
Contact us today for up to 3 FREE quotations from commercial solar firms we’ve pre-qualified and vetted for their track record of delivering Australia’s best business solar systems.
How efficient are solar panels after 25 years?
The efficiency of solar panels will gradually decrease over time. However, even after 25 years, most solar panels will still produce high efficiency electricity.
Of course, the efficiency of a solar panel will depend on several factors, including the quality of the panel, the installation, and the climate. However, you can generally expect solar panels to retain high efficiency for many years. We suggest asking your solar installer for the solar panel specifications and datasheet. This document will often outline the expected performance, taking into account degradation, over 25 plus years. Alternatively, you can access the specifications and expected performance on the manufacturer’s website. You will need the panel model name and number for this.
When should you replace your solar panels?
There is no hard and fast rule about when you should replace your solar panels. However, if the efficiency of your panels has dropped below 80%, you may want to consider replacing them.
Another factor to consider is the cost of replacing your panels. If the cost of replacing your panels is less than the cost of continuing to generate electricity with your old panels, then it may be a good time to replace them.
Ultimately, the decision of when to replace your solar panels is a personal one. However, by understanding the factors that affect the lifespan of solar panels, you can make an informed decision about when it is time to replace them.
Tips on how to make your solar panels last longer in Australia
- Choose high-quality solar panels. The quality of your solar panels will greatly impact how long they last. Look for panels that are made from high-quality materials and that have a good warranty.
- Have your solar panels installed by a reputable installer. Improper installation can shorten the lifespan of your solar panels. Make sure that your installer is qualified and experienced.
- Keep your solar panels clean. Dust, dirt, and debris can build up on your solar panels and reduce their efficiency. Clean your panels regularly with a soft cloth and water.
- Avoid extreme temperatures. Extreme temperatures can damage solar panels. If you live in an area with hot summers or cold winters, you may need to take special precautions to protect your solar panels.
- Monitor your solar panels regularly. If you notice any problems with your solar panels, such as cracks or loose connections, have them repaired as soon as possible.
Investing in solar panels is a sustainable and economically wise decision for Australian homeowners. By following the tips mentioned above and adopting a proactive approach to maintenance, you can extend the lifespan of your solar panels, ensuring they remain productive for many years. With proper care and attention, you can harness the full potential of the sun’s energy while contributing to a greener and more sustainable future.
Read more about solar panels
- Best Solar Panels Brands in Australia to Consider in 2023
- Solar Panel Systems in Australia – Tips, Prices & Key Info
- Cleaning Solar Panels: Why, When, and How You Should Do It
- Solar Panels Maintenance
- How Long Do Solar Panels Last in Australia Degradation Explained
- How a grid connected solar power system works
Still can’t afford to switch to solar power?
Are you considering getting solar panels but are currently short on funds? You can still invest wisely, and Energy Matters can help you.
Powow and Energy Matters have teamed up to provide consumers with an alternative to switching to solar power and battery storage.
The biggest obstacle to installing solar and battery storage is typically finance. With Powow’s PPA and VPP, our customers will have a $0 upfront option and financial stability in the uncertain energy market.
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Check out our page for Powow: Power Purchase Agreement (PPA) and Virtual Power Plant (VPP).
The post How to Make Your Solar Panels Last Longer in Australia appeared first on Energy Matters.
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