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How long can a solar panel last?

If you have made an investment in solar panels, I think you should ask yourself , how long can a solar panel last?

¿Cuánto puede durar un panel solar?

One of the most common questions before investing in photovoltaic energy is how long a solar panel can last , what its useful life will be. This is one of those issues that concerns us as users and that we must be very clear about when we decide to make an investment of this type.

The answer is clear and concise. We can see that in the market most models of solar panels offer a guarantee in their technical sheet that is between 20 and 30 years. But the reality is that they can have a useful life of up to 40 years or more. However, a new question arises on the subject.

Does the performance of a solar panel vary throughout its life?

As we have seen, a solar panel can have a useful life of up to 40 years. Despite this, over time, a slight, but very slight decrease in performance can be noticed. So that we have more or less an idea, there are panels that are capable of producing up to 80 percent of their initial production, after the 40 years that we have established, but as a general rule, manufacturers guarantee that 80% minimum performance after 25 or 30 years.

For example, monocrystalline and polycrystalline panels are considered the most durable. This is thanks in part to the different materials with which they have been manufactured, design, quality standards and new technologies that continue to be added to put more efficient and durable equipment on the market.

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A good treatment, a correct periodic cleaning and a correct installation of our solar energy equipment, combined with the periodic check-up and monitoring of each of its components, will help us to further extend the useful life of our solar panels. Otherwise, the constant failures that could be generated as a result of carelessness would affect its operation and, therefore, would reduce its lifespan.

When we go to buy a solar panel , it is important that we look at the efficiency index. This will allow us, among other things, to know and be sure about the warranty terms that, as we have mentioned, are normally between 20 and 30 years. This is an important point that we cannot miss when we are going to make an investment in solar panels.

If we have reached this part of the article, surely the issue of the durability of a solar panel will not be an issue to worry about, but it will be about taking care of correctly maintaining the installation so that the life of our solar panels is as long as possible. possible.


How long can a solar panel last?

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