Solar panels. Durability and features

Nowadays, many companies and individuals are interested in the use of photocells. People are attracted by the financial benefits of generating their own electricity.

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When choosing a specific product, it is worth focusing primarily on quality - a properly installed installation means less risk of possible failures, and durable panels ensure that the installation will serve us flawlessly for decades. How long is the longevity of solar panels?

Loss of productivity

Opponents of solar energy often point out that panels lose their efficiency over time, which means that it doesn't make sense to invest in a solar installation. There is actually little loss in solar panel efficiency, especially when it comes to the panels that are produced and sold in the market today. It is assumed that the largest decrease in panel productivity could be 0.5% per year. If the reduction is higher, it means that the installation is defective and is subject to a complaint. All this leads to the fact that after 10 years of use, the efficiency of the panels changes within 80%. At the same time, it should be remembered that this productivity does not decrease evenly - during the first years of operation of the installation, this decrease is maximum, and then it slows down significantly. However, a 0.5% drop is rare in solar panels currently available.

Resistant to weather conditions

It is also important whether solar panels are capable of handling snow and hail? Are they resistant to adverse weather conditions?

Most solar panels handle hail or snow with ease. The sun's rays pose a big threat because they destroy the photovoltaic cells located in the panels. Most of the loss in panel performance occurs in summer. High quality panels are resistant to stress, dirt and have hydrophobic coatings.

All high quality solar panels are guaranteed. Manufacturers offer a warranty period of 10, 25 or 30 years. Because of this, when we see a more than acceptable decrease in performance, we can apply for a replacement unit. Photovoltaic panels can work flawlessly for decades, even up to 50-60 years. This is an investment in the future, in green and cheap electricity.