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How long do solar panels last? Useful life

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Within renewable energies, solar is one of the most used today. While the installation of solar panels is becoming more and more frequent at a domestic level, the prices of the components necessary for it are decreasing, although it is important to note that not all of them will last us for life. Solar panels wear out over time, but what is their lifespan?

The installation of solar panels and solar energy take advantage of the sun’s energy to convert it into electricity and thus achieve a self-consumption that, in addition to saving on our electricity bill in the short and long term, allows us to achieve a consumption that has less impact on the environment. A green, clean and renewable energy that is committed to the future and that is already the option chosen by countless companies and individuals. As we well know, betting on photovoltaic installations always provides a long-term profitability and requires a significant initial investment. That is why, as with any other high-value asset, we wonder what the useful life of a solar panel is.

20 or 25 year warranty

Batteries, like solar panels, have a certain useful life and we will have to change them from time to time. Time also passes for photovoltaic solar panels, which wear out and suffer a performance drop little by little. It is obvious, but the quality of it will also determine its useful life. The vast majority have a warranty of 20 or 25 years, however, the average lifespan can be extended to 40 years.

To keep in mind is that, over time, solar panels will gradually lose their performance. Generally, this happens within the warranty period in which the manufacturer guarantees a efficiency around 85% compared to the initial. Once the 20 or 25 year warranty has passed, the performance of the panel will continue to decline. Another factor that influences the useful life of a solar panel is the material with which it is made. In relation to this aspect, it has been shown that The panels that have the longest useful life and resistance are the monocrystalline and polycrystalline ones.

The nominal power of the panels, both monocrystalline and polycrystalline, degrades around 0.5% per year, taking into account that those with a thinner film lose their qualities faster. In addition, we must also control the useful life of other components that complete the operation such as batteries and inverters. Whether a solar panel is more or less efficient will also depend on the orientation in which it is placed.

How to extend the life of a solar panel

In order to fully amortize the investment made in the installation of solar panels, it is advisable to follow some maintenance tips that can be decisive in extending the useful life of solar panels and maintaining their performance in optimal conditions for longer. The main enemy of solar panels are environmental factors. The surface can be easily covered by dust, leaves and polluting particles, so rainy days, even if the sun is scarce, are good for the maintenance and durability of the solar panels. A dirty solar panel only loses 10% of its performance, but if we do not clean it, we will be losing our investment and shortening its useful life.

Therefore, it is important to periodically clean the panels. We can do it ourselves or, what is more advisable, go to a specialized company that performs cleaning and maintenance with guarantees. After checking the status of the panels, they will be able to give us advice based on their review and status. If we decide to do the cleaning ourselves, the best times of the day to do it are in the morning or in the evening at sunset, moments in which their performance is lower compared to other hours of the day. After cleaning them with a brush and removing any elements that may have deposited, they should be cleaned with soap and water.

An important aspect to keep in mind is that the Water with which we clean the solar panels it must be warm in order to avoid damage caused by the thermal contrast if we choose to use either very cold or very hot water. Power is also important, as too strong a jet of water can damage the surface of the solar panels.

 

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“Name Pro, soul Ultra” – the head of Xiaomi showed the camera capabilities of Xiaomi 13 Pro

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Name Pro soul Ultra the head of Xiaomi showed

Lei Jun, the founder and CEO of Xiaomi, posted a few minutes ago on his Weibo page examples of photos taken with the camera of the flagship smartphone Xiaomi 13 Pro.

Name Pro soul Ultra the head of Xiaomi showed

Xiaomi 13 Pro is equipped with a Leica main camera with a 1-inch optical image sensor. Extraordinary imaging capabilities, authentic Leica taste, let’s take a look at samples that are simply shocking. Pro name, Ultra soul.

Lei Jun

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Yesterday, he officially confirmed that Xiaomi 13 smartphones will receive the latest Snapdragon 8 Gen 2 single-chip system and the fastest memory on the market: LPDDR5X at a speed of 8533 Mbps and UFS 4.0 flash memory.

The presentation of Xiaomi 13 and Xiaomi 13 Pro is expected tomorrow, December 1st.

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The flagship smartphone Vivo X90 Pro + has caused great interest: it is sold on eBay for three times the recommended price

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The flagship smartphone Vivo X90 Pro has caused great

The flagship camera phone Vivo X90 Pro +, which was recently introduced in China, is already offered on eBay for $ 2,750.

It is worth noting that we are talking about the older version, which is equipped with 12 GB of RAM and 512 GB of non-volatile flash memory. At the same time in China it is estimated at 980 dollars.

The main highlight of the Vivo X90 Pro + is the camera. The smartphone received the main image sensor Sony IMX989 optical format 1 inch and Zeiss optics, consisting of eight elements.

The flagship smartphone Vivo X90 Pro + has caused great interest: it is sold on eBay for three times the recommended price

The device is built on the basis of a Snapdragon 8 Gen 2 single-chip system and supplemented by a proprietary Vivo V2 chip. The Vivo X90 Pro + uses LPDDR5X and UFS 4.0. The phone was the first in the world with a Samsung E6 screen.

He also received a periscope module with a 64-megapixel OmniVision OV64B sensor, which provides 100x zoom. In addition, the Vivo X90 Pro + debuted a 50-megapixel Sony IMX758 sensor.

The flagship smartphone Vivo X90 Pro + has caused great interest: it is sold on eBay for three times the recommended price

Vivo X90 Pro + received a 4700 mAh battery with support for 80 W wired charging and 50 W wireless. The equipment also includes an NFC module, an IR emitter, stereo speakers. The phone is IP68 rated and runs Android 13 operating system with OriginOS 3 shell.

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“A little closer to Mars” – Elon Musk showed record tests of the largest SpaceX rocket

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A little closer to Mars Elon Musk showed record

Elon Musk has confirmed that SpaceX has completed a lengthy static fire test of the Booster 7 Raptor 2 engines on the orbital launch pad at Starbase.

On Tuesday, SpaceX tested its super-heavy rocket for about 12 seconds, making it the longest launch to date. The test, which fired 11 of the 33 Raptor 2 rocket engines, passed without any explosions or other problems, which is an excellent result.

Earlier this month, SpaceX fired 14 Raptor 2 engines on that booster for a few seconds, so yesterday’s test didn’t set a new record for most engines tested. However, this “long” test was the longest ever to run so many Raptor 2 engines at the same time.

A little closer to Mars Elon Musk showed record

Earlier, SpaceX founder Elon Musk said the next step would be to fire some of the Super Heavy engines for about 20 seconds to test autogenous boost. This method of pressurizing fuel tanks uses gases generated aboard the rocket rather than a separately loaded inert gas such as helium.

It looks like SpaceX still has a couple of key tests to complete before the super-heavy Starship rocket launches from the Starbase site in South Texas. SpaceX is expected to conduct at least a brief test run of all 33 Raptor engines at the same time to ensure that the entire complex is fueled and pressurized in the rocket’s propulsion system. The Starship will then be installed on top of the Super Heavy for final testing.

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