How long do Solar Panels last?

Many people are full of doubts before going solar, and it is completely understandable. Solar energy is a whole new technology for some of us and we want to make sure that we are investing our money smartly, and the first question that always comes to mind is: how long is this going to last? So, if you’re currently planning to install solar panels in your home or business or if you are starting to consider it you should totally check out this article, it may help you make up your mind!

First thing we should know about solar panels is that this is a long-term decision! This technology is growing overwhelmingly fast worldwide, due to its many benefits such as efficiency and durability, and almost none flaw. 

Many solar panels are guaranteed for 25 years, this is the period when the company takes the responsibility for its efficiency. Nevertheless, the real-time in which it works is actually longer than that! You can last with your solar panel with a bit of a drop in its development but working perfectly fine for almost a lifetime. 

It is estimated that the efficiency of a solar panel gets an annual reduction of 0,8% to 1% approximately, which means that if you keep your solar panel for 25 years, considering making its maintenance properly (which is not that frequent), after this period of time your panel will have an efficiency level of 85%, more than enough to continue providing you with energy even when the guarantee is finished.

What does this mean? It means that even so if the guarantee of your solar panel lasts for only 20 or 25 years, this does not mean that it will get useless after that. On the contrary, you can count on keep getting solar energy for a long time, keeping in consideration that the device will not work on their 100% of productivity, but at least 85%. So, you won’t have to worry about repairing or getting a new solar panel every 20 years.

For you to fully understand how will your solar panel keep going after this time here is an example: a standard panel will produce 300 watts when running at full power, in other words, this is the energy it produces when you get it brand new. After 25 years this same panel will produce at least 240% watt, or 80% to 85% of its capability. 

In summary, you will not stop receiving energy from your solar panel after a long time, and you definitively will not catch a decrease in its efficiency or productivity. Going solar is the best investment not only for your pocket but also for your peace of mind!

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