Technical

An image showing the difference between a monocrystalline and polycrystalline solar cell

What Are the Differences Between Monocrystalline and Polycrystalline Solar Panels?

What Are the Differences Between Monocrystalline and Polycrystalline Solar Panels? The main differences between monocrystalline and polycrystalline solar panels are their efficiency, color, shape, and material composition. Monocrystalline panels have solar cells made from a single silicon crystal, characterized by their black color and higher efficiency. Polycrystalline panels have cells made from multiple silicon crystals, …

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Man carrying a solar panel

Solar Panel Weights

How Much Does an Average Solar Panel Weigh? On average, a solar panel weighs about 40 pounds, but it could be as light as 33 pounds and as heavy as up to 50 pounds. This depends on the manufacturers and technology used. Weight is an important criterion in solar panels as a solar rooftop plant …

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Engineer checking how much energy a set of solar panels are producing

How Much Energy Does a Solar Panel Produce?

How Much Energy Does a Solar Panel Produce? Each solar panel can be expected to produce between 400 and 600 kilowatt-hours per year. The exact electricity production depends on the panel specifications and the amount of sunshine received. Smart design decisions can also improve the productivity of a solar power system. Assuming that sunshine does …

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two different sizes of solar panels side by side behind a fence

Solar Panel Sizes

What is the Average Size of a Solar Panel? The average solar panel size is 77 × 39 inches or 65 × 39 inches depending on whether they are for commercial or residential use. The size of an average solar panel is dependent on the number of cells encapsulated in it and the panels’ application. …

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bright blue set of solar panels with reflection of the sky in them

Why are Solar Panels Blue?

Why Are Solar Panels Blue? Most solar panels are blue because of the manufacturing of polycrystalline cells from multiple silicon crystals, and a special anti-reflective layer on the panels for higher light absorption. Although blue claims the majority, some panels can also be black, based on their respective manufacturing methods. Technically, the color black is …

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small diagram to show the different parts and operations of solar cells

What are Solar Panels Made Of?

What Are Solar Panels Made Of? Most solar panels are manufactured from silicon. Depending on how silicon is processed, it can be monocrystalline, polycrystalline, or amorphous. Crystalline panels are the most common, while amorphous silicon panels are part of the “thin-film” category, which is used less. Solar panels generate electricity without moving or producing noise, …

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A man checking on the status of his solar panels

How Long do Solar Panels Last?

How Long Do Solar Panels Last? High-quality solar panels last more than 25 years, and their payback period is only between 4 and 8 years. If you purchase panels with a solid warranty, the return on investment is assured. However, keep in mind that warranties are only valid if the panels are installed properly. Working …

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Small diagram showing how solar panels work

How do Solar Panels Work?

How do Solar Panels Work? Solar panels work by converting sunlight into electricity at the atomic scale. When solar cells are struck by light, they produce a flow of electrons, or electric current. Since this process happens at such a small scale, it is invisible for humans. Compared with other renewable energy systems, panels are …

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solar panels in the middle of the hot desert

Can Solar Panels Overheat?

Can Solar Panels Overheat? Solar panels can overheat. It is a common assumption to relate hot climates with excellent conditions for solar panels, however, the truth is that high ambient temperature conditions are not good for solar panels. This is one of the major causes of a drop-in performance and can reduce energy yields if …

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multiple solar panels oduring the night time

Can Solar Panels Work at Night?

Can Solar Panels Work at Night? Solar panels won’t work at night because they depend on sunlight to generate electricity. Maybe you have heard a friend or neighbor saying that he uses solar energy to power his house at night. That probably raises the question in your mind. Some people get confused with the simple …

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health and safety inspectors looking at solar panels

Are Solar Panels Dangerous?

Are Solar Panels Dangerous? Solar panels are not dangerous if you know how to handle them safely and how they work. The truth is that they are not any more dangerous than the main panelboard that you have installed in your property. Getting familiarized with something that we do not completely understand may be scary …

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Rain pouring down on to a set of solar panels

Are Solar Panels Waterproof?

Are Solar Panels Waterproof? All solar panels are manufactured to be waterproof, and the junction boxes behind them also have an IP rating protection. Therefore, if it rains, storms, or even hails, you do not need to be worried about your panels getting damaged. The key to the waterproof design is related to the composition …

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sun shining through window glass

Will Solar Panels Work Through Glass?

Will Solar Panels Work Through Glass? Solar panels will continue to work even when sunlight passes through glass, but their efficiency and power outputs are nowhere close to their nominal values. Therefore, they will work but their performance will be reduced. The reason stands behind a basic physics law called the Fresnel Law. Those who …

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small solar panel outside of a home

Will Solar Panels get Smaller?

Will Solar Panels Get Smaller? Solar panels will have higher output capacities and smaller dimensions according to the recent trends in 96-cell technologies. By involving new manufacturing and design technologies, manufacturers such as Panasonic have been able to reduce or maintain solar panel dimensions while increasing power output. This trend will be very valuable in …

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solar panels out in the shade

Will Solar Panels Work in the Shade?

Will Solar Panels Work in the Shade? Solar panels will still work producing electricity even when they are partially shaded. If they are completely blocked by an object, however, then the solar panel will stop producing electricity. Sometimes, even if the shade does not completely block the solar panel, it can make electricity production stop. …

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