Solar panels are gaining traction among homeowners. They are choosing them to reduce their carbon footprint and save on energy costs. While solar panels have many benefits, one of the most significant concerns for homeowners is the longevity of solar panels.
This article will focus on factors that impact the lifespan of solar panels. It will also provide advice on how to ensure your solar panels have a long life.
The short answer: a well-built system should produce power for decades. Panels degrade slowly over time, and they typically don't just stop working. The panels we install today could still be producing in 40 or even 50 years. We plan conservatively, though. Sunward's financial modeling uses a 30-year useful life.
A system that lasts that long may outlive your roof. Here is how replacing your roof works when you have solar panels.
Quality of Materials
The quality of materials used to manufacture solar panels is a crucial factor that impacts their longevity. High-quality panels are constructed with top-grade materials. These materials can withstand harsh outdoor conditions. This includes extreme temperatures, strong winds, and heavy rain.
To ensure the longevity of your solar panels, it is essential to invest in high-quality solar panels from reputable manufacturers. Search for panels that have been certified by independent third-party organizations. The International Electrotechnical Commission (IEC) and Underwriters Laboratories (UL) are two examples. These certifications ensure that the panels meet stringent quality and safety standards.
Installation Quality
Another critical factor that impacts solar panels’ longevity is the installation’s quality. Poor installation can lead to a range of problems, including water damage, electrical shorts, and mechanical failure. Proper installation requires attention to detail, experience, and expertise to ensure that the solar panels are installed correctly and securely.
To ensure the quality of installation, it is essential to work with a reputable and experienced solar panel installation company. Look for companies that have a proven track record of successful installations and positive customer reviews. A reputable company will install your solar panels correctly. They will use high-quality materials and adhere to local building codes and regulations.
Environmental Factors
Environmental factors, such as extreme temperatures, strong winds, and heavy rain, can also impact the longevity of your panels. While solar panels are designed to withstand harsh outdoor conditions, they can still be damaged by extreme weather events or natural disasters.
To minimize the impact of environmental factors on your panels, it is essential to choose those of high quality, that are designed to withstand extreme weather conditions. In addition, a post-install inspection and production monitoring can help identify any potential damage or wear and tear caused by environmental factors.
Degradation Over Time
One of the most significant concerns for homeowners is the degradation of their panels over time. Like any other electronic device, solar panels can lose efficiency over time, which can impact their performance and lifespan.
That loss is slow. The U.S. Department of Energy puts it at about 0.5% per year.
The panels we install come with two separate promises. The 25-year manufacturer warranty covers defects. If a panel is defective in that window, the manufacturer replaces it. The 30-year production guarantee covers output. It sets the expected degradation rate, so you know the quality of production you can count on for decades. Neither number is the lifespan. Many panels keep producing well past both, depending on factors such as the quality of materials and installation. For the full breakdown, read solar panel warranty vs. production guarantee.
Monitoring your panel’s performance regularly is essential to ensure their longevity. Working with a professional solar company can help identify any potential issues. Sunward actively monitors production on the systems we install, and we come back for a site inspection one year after installation. Solar panels can still produce energy, even if their efficiency has decreased over time. This makes them a worthwhile investment for homeowners.
Solar panels offer multiple advantages to homeowners. These include reduced energy costs, a lower carbon footprint, and increased property value. Investing in high-quality panels will ensure that they last for many years.
Work with a reputable and experienced installation company to guarantee the best result. No scheduled maintenance is required, but monitor the performance of your panels regularly to ensure they are working correctly and efficiently. Have questions about your roof or system? Talk to our team or check our solar FAQ.
Solar panels are a long-term investment, and the upfront cost can be significant. Solar panels can be an excellent investment for homeowners. They offer savings on energy bills. There are also tax incentives and rebates available in most states. Moreover, installing them increases the property value.
Solar panels are a wise choice for homeowners. They can help lessen their carbon footprint, save money on energy bills, and raise the value of their property.
In summary, investing in solar panels is a smart decision. The longevity of solar panels can vary. To make sure they last many years, invest in high-quality panels. By taking these steps, homeowners can enjoy the many benefits of solar panels for years to come.
Chris founded Sunward Power to bring straight answers and local crews to Oregon solar.
Connect on LinkedIn
