Advantages of Bifacial Solar Panels

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Advantages of Bifacial Solar Panels

In the solar market there is a new trend of solar panels that is emerging. Solar panels with Bifacials take sunlight from both their rear and front. They are an innovative solution to certain kinds of solar installation.

What are Bifacial Panels?

Mono facial panels (traditional) capture sunlight only in one direction. Light solar energy that is not captured is reflect back. Bifacial solar panels don’t have this problem. Instead, they feature solar cells on both sides. The panels are able to absorb light both from the front and back. This means that a bifacial panel will absorb light which has been reflected off of the ground or other materials.

Certain residential structures, such as pergolas or ground-mounted systems, can benefit from bifacial solar panels. For most property owners rooftop installations that incorporate solar panels that are bifacial won’t be practical. Instead panels that are raised and angled away from a mounting surface{ will|| can} let light reflect back to the panels.

How does a Bifacial Solar Panels work?

The panels absorb light from both the back and front sides which allows for the diffusion of light to be as large as is possible. The term “albedo” refers to the portion of sunlight that is reflected off of a surface. It can reach 30% efficiency and depends on several variables like the reflectivity of ground surfaces, height above ground and tilt angle. Diffused light refers to the scattered light that passes through any direction. The bifacial panel is able to absorb direct radiation from the sun and reflected radiation from nearby solar panels. It also absorbs diffused indirect radiation from air particles or clouds.

Bifacial solar panels come equipped with a glass-to glass structure. These panels offer longer-term durability as opposed to mono-face panels with back sheet glass that was previously offered. There are numerous options for photovoltaics made of thin film currently. This includes copper indium gallium selenide (CIGS) and dye-sensitized photovoltaic cells. Many current thin-film solar technology, such as CIGS or dye-sensitized, are easily transformed into bifacial solar panel.

Bifacial solar panels are made up of the rear cover glass, and a the bifacial solar cell. In the future, the photon not absorbed inside the front layer will be absorbed slowly as it resettles from its surrounding surface. This increases the efficiency of the solar cells with bifacial symmetry. Glass-to glass structures bring many benefits to solar panels. These include less moisture corrosion, the propagation of cracks and debonding. They are able to lower the cell temperature, and a lower degrading rate. Bifacial solar panels are less flexible, yet they possess an excellent mechanical strength and a flameproof rating.

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Bifacial Solar Panels: The Advantages

  • Unique ability to generate electricity directly from sunlight.
  • These panels can produce electricity by absorbing the light that is passing through them.
  • Bifacial solar panels are constructed from transparent or dual tempered back sheets. This is different from the opaque back sheets.
  • Potentially induced degradation is not an issue with solar panels with bifacial faces.
  • The warranty on solar panels with bifacial design is nearly 30 years. This is in contrast to the 25-year warranty on conventional solar panels.
  • The bifacial solar panel’s glass can help to reduce UV exposure and moisture permeability.
  • The modules are protected from corrosion by chemical due to their strong construction.
  • The panels are made of tough glass that is resistant to cracking.
  • The aluminum frames of the Bifacial solar panels don’t come included. They do not require grounding. This can save time and materials in the process of installation.

Bifacial Solar Panels: The disadvantages

  • A huge installation of bifacial panels cost.
  • Double glass is a major reason for the cost of bifacial solar panels.
  • Glass is very heavy.
  • Bifacial solar panels cannot be utilized during night, cloudy days, or in storms.
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Bifacial vs. Monofacial solar panels

Monofacial solar panels have one photovoltaic side that absorbs the sunlight, and then convert it to renewable energy. Bifacial solar panels{ can|| are able to} absorb sunlight from both sides, and are smaller in size.

Bifacial panels work better than traditional panels because they have more surface for absorbing sunlight. Bifacial panels with a vertical layout can catch sunlight at sunset and sunrise. Panels mounted vertically can withstand weather conditions such as snow and sun, which may hinder their efficiency. The longevity of bifacial solar panels is also higher than that of conventional panels.

Monofacial panels can still provide some benefits however there are numerous other reasons why monofacial panels could be better than bifacial panels. Bifacial panels may be more complicated than other types and require additional labor and equipment. They’re better than horizontally mounted ones, but homeowners could have to pay more for ground mounts. Other requirements like the solar tracker system are also required.

Bifacial Solar Panel Design

Bifacial panels are quite different from the traditional polycrystalline and monocrystalline silicon panels. Although bifacial panels typically are comprised of monocrystalline cells, they are also polycrystalline options. Bifacial panels can be distinguished by their thin profiles. Many bifacial designs require the use of a limited frame. The modules themselves are protected in a thin transparent layer. It could be an opaque back or a dual-glass sheet.

Bifacial solar panel mounting systems differ from traditional solutions. Bifacial solar panels require the least shaded surface on their front and back surfaces to maximize solar energy capture. To minimize shading on the modules’ backsides, new rack solutions are able to use smaller support rails as well as junction boxes.

Bifacial Solar Panels for Commercial and utility-scale Applications

Bifacial solar panels are ideal for commercial and utility-scale installations that make use of solar trackers. Shneyder Solar, a producer of solar panels discovered that bifacial solar panels generated eleven percent higher solar output an inclined and ground-mounted solar system in China. A system using bifacial solar panels and solar tracker produced 27 percent more solar power than a conventional panel.

Because they absorb more energy from both sides, bifacial solar modules could boost the energy output of massive solar farms. A solar panel mounted above the ground will take in sunlight, and reflect it through solar cells backwards. The surface below can affect the amount of light that is reflected back to the panels. Reflected sunlight is more intense on lighter surfaces like sand, than on darker surfaces like dirt or asphalt.

Can you use bifacial solar panels for residential installations?

Bifacial modules don’t suit rooftop solar installations. They are more cost-effective for larger solar projects with reflective sunlight.

Bifacial panels are able to be utilized in residential areas, but they’re best suited for commercial or utility-scale solar power plants in the solar industry. Bifacial panels can be utilized to shade structures that are freestanding such as pergolas and generate excess energy. In all cases where the panels are not directly visible, bifacial panels can be utilized. Bifacial solar panel canopy and awnings allow reflected sunlight to reach the backs of panels.

Bifacial panels can be a great option if you prefer a ground-mounted option over a rooftop one. A ground-mounted residential system functions exactly the same way as utility or commercial applications. It is raised above the ground in order for sunlight to get to the panels‘ backsides.

2. More Durable

Farmers and businesses that are involved in agriculture must be certain that their solar panels are durable for an extended time. This will ensure that they can continue to manufacture high-efficiency solar panels over the course of several decades.

Bifacial panels are stronger than conventional one-sided panels that have back sheets. They feature glass facings each side. Tempered glass is used for the glass. It is extremely durable and can withstand any force that is thrown at it, even projectiles from hurricane force winds.

Tariff exemptions on Bifacial Panels

In the last few years, tariffs on equipment and solar panels has had a huge impact on the solar industry. Trump imposed tariffs on non-domestically manufactured solar panels in the year 2018. These tariffs were designed to spur growth in the US’s solar production and manufacturing. This limited the availability of solar panels at cheaper prices.

These tariffs have been maintained by during the Biden administration since it took over the presidency. In fact, they have decided to extend them for 4 more years , beginning in 2022. However, they made an important decision in exempting bifacial panels from the tariffs. This decision is crucial for customers as it allows them to access lower-cost panels.

Are bifacial panels worth the investment?

While bifacial solar panels are a good option for utility and commercial solar developers, they won’t perform well on rooftop residential projects. Bifacial solar panels are more costly than the equipment needed, so homeowners will still be required to shell out more for these panels. However, they offer greater effectiveness and savings. Whatever the size of your project, or where it is situated or any other requirements you might have to consider, getting multiple quotes for a solar panel installation is an excellent method to get a good deal. Join the Shneyder Solar solar pv market, and you will begin receiving quotes from professional solar installers that have been pre-screened within your area. You may also request a quote for bifacial solar panels by making a note in the profile.


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