How Long Do Solar Panels Last?

How Long Do Solar Panels Last?

When considering the installation of solar panels for your home or business, one of the most common questions is: how long do solar panels last? At TJS Solar, we understand that investing in solar energy is a significant decision, and understanding the longevity of your solar panels is key to making an informed choice.

The Typical Lifespan of Solar Panels

Most solar panels are designed to last 25 to 30 years, with many continuing to produce electricity well beyond this timeframe. Manufacturers typically provide warranties guaranteeing 80-90% of their original efficiency after 25 years, which offers peace of mind about their durability and performance.

Factors Affecting Solar Panel Longevity

Several factors influence the lifespan and efficiency of solar panels:

  1. Quality of Materials: High-quality panels from reputable manufacturers often have a longer lifespan and better performance than lower-cost alternatives.
  2. Installation: Proper installation ensures that panels are securely mounted and less likely to suffer damage from environmental factors.
  3. Maintenance: Regular cleaning and inspections can prevent issues like dirt buildup, debris, or potential shading that can affect performance.
  4. Environmental Conditions: Panels installed in areas with extreme weather conditions may experience more wear over time. However, modern panels are designed to withstand hail, strong winds, and heavy snow.
  5. Degradation Rate: Solar panels naturally degrade over time, with the average rate being around 0.5% per year. This means that after 25 years, a panel might operate at approximately 87.5% of its original capacity.

Maximising the Lifespan of Your Solar Panels

To ensure your solar panels last as long as possible:

What Happens After 25-30 Years?

Even after their warranty period ends, many solar panels continue to function, albeit with reduced efficiency. Depending on your needs, you may choose to:

Conclusion

Solar panels are a long-lasting, reliable investment in renewable energy. With proper care and maintenance, they can provide decades of clean, cost-effective energy. At TJS Solar, we’re committed to helping you make the most of your solar energy system. If you’re ready to take the next step or have more questions about solar panel longevity, contact us today!

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Tony Sinclair
04/12/2023
5 min read