Flexible solar panels: what you need to know in 2022 | EnergySage (2022)

Solar panel technology is rapidly advancing every year, and new developments like flexible solar panels are constantly being released and improved upon. Compared to traditional solar panels, these panels can have a lightweight design, are able to be used for applications like charging devices and can be used independent of the electric grid. Read on to learn what flexible solar panels are, as well as how they compare to standard photovoltaic cells.

This is an unbiased review: EnergySage is not paid to review brands or products, nor do we earn money from affiliate advertising in this article. The content of this blog is based on research and information available at the time of writing.Learn more about our mission and how we make money as a company.

Key takeaways

  • Flexible solar panels are less efficient than rigid panels, but have a wider variety of applications due to their flexibility and thin size – typically 200 micrometers thick
  • Recently, organic silicon cells have been used to make flexible solar panels
  • Flexible solar panels are ideal for portable solar applications given their light weight.
  • Flexible solar panels typically have an efficiency rating between 7% and 15%
  • Use the EnergySage Marketplace to learn more about your solar options!

What’s in this article?

Best flexible solar panels

There are very few (if any) solar installers who offer flexible panels as part of a rooftop or ground-mounted system. However, you can buy flexible solar products and semi-flexible solar panels online in small sizes for one-off solar projects, such as an RV solar setup. Here are some of the top options available to buy if you’re interested in using flexible solar panels.

Flexible solar panels for sale

ProductPriceEfficiency Curve Radius Weight Link
Renology 175 Watt Flexible Solar Panel$29017.3 percent 248 degrees 6.2 pounds Amazon
WindyNation 100 Watt Flexible Solar Panel$129NA30 degrees 4 pounds Amazon

SunPower 100 Watt Flexible Solar Panel
$16018.35 percent 30 degrees 4.4 pounds Amazon
TP-solar 50 Watt Flexible Solar Panel $80NA30 degrees 3.97 pounds Amazon
Winnewsun 100 Watt Bifacial Flexible Solar Panel $14622 percent NA4 pounds Amazon

Renology 175 Watt 12 Volt Flexible Monocrystalline Solar Panel

This 6.2 pound solar panel can flex 248 degrees, making it one of the most flexible solar panels on the market. It is .1 inches thick and easily mountable, making it a perfect option for portable solar generation on boats or recreational vehicles. Additionally, it is water and snow resistant, and comes with a 25-year output warranty.

Shop Renogy now.

WindyNation 100 Watt 12V Flexible Thin Lightweight Monocrystalline Solar Panel

This completely water resistant solar panel is bendable up to 30 degrees, and is easily transportable and mountable thanks to its lightweight build. There is a blocking diode included with the panel’s junction box to regulate battery discharge and draining during the night.

Shop WindyNation now.

SunPower 110 Watt Flexible Solar Panel

This flexible solar panel has the highest power output and charging capacity of it’s class, and it weighs only 4.4 pounds. It can flex 30 degrees, and is easily installed with metal grommets found on the back of the panel, or with adhesives. This panel is made with SunPower’s high efficiency monocrystalline cells which are specifically manufactured for resistance to power loss from cracking and corrosion.

(Video) Best Flexible Solar Panels 2022 ✅ TOP 5

Shop SunPower now.

TP-solar Flexible Solar Panel 50W 24V/12V Monocrystalline Bendable

This panel can be curved to a 30 degree arc for easy mounting on RVs, cars, boats, and more. It can also be easily wired to other panels, increasing power output. The TP-solar panel is made of ethylene tetrafluoroethylene (ETFE , a material that has a high light-transmittance for peak performance. The surface of the panel is also non-stick, making the cleaning process easy.

Shop TP-solar now.

Winnewsun Flexible Solar Panel Bifacial Flexible Solar Panel 100W

Winnewsun’s panel is unique because it generates power from both sides, and it weighs in at only 4 pounds. This “bifacial” production shows up in the product’s efficiency rating: it boasts an efficiency of 22 percent, much higher than traditional single-sided flexible solar panels. Unfortunately, there are limited options when it comes to installation – in order to gain the full value of the panel, it needs to be mounted in a way where both sides can absorb sunlight.

Shop Winnewsun now.

Powerfilm Solar 60 Watt Foldable Panel

Extremely portable, this flexible solar panel can be folded up for easy carrying and transportation. It can be used to charge medium to large electronic devices using DC Power and comes with a 12V female car adapter.

Shop Powerfilm now

Flexible solar panels: what you need to know in 2022 | EnergySage (1)

What are flexible solar panels?

Flexible solar panels: what you need to know in 2022 | EnergySage (2)

A standard monocrystalline or polycrystalline solar panel is made up of silicon wafers. They are typically up to 200 micrometers thick, which is slightly thicker than a human hair. In order to make a flexible solar panel, those silicon wafers must be sliced down to just a few micrometers wide. Using these ultra-thin silicon wafers gives solar panels many unique properties, including flexibility for some models.

(Video) Best Flexible Solar Panels in 2022 - Top 8 Review and Buying Guide

Flexible solar panels made of ultra-thin silicon cells have been around for a while. More recently, research at the Massachusetts Institute of Technology has given way to advances in organic solar cells. Instead of using silicon as the basis for solar cells, researchers have found a way to use organic materials with electrodes of graphene. Until now, a limiting factor on panel flexibility has been the brittleness of typical electrodes, but due to graphene’s transparent and flexible nature, this method may lead to thinner, more flexible, and more stable solar panels in the future than what we can currently make.

Flexible versus rigid solar panels pros and cons

Flexible Solar Panels Rigid Solar Panels
Pros Can be mounted using magnets or adhesives
Longer lifespan
PortableTypically higher efficiency rating
Flexible for unusual surfacesMore durable than flexible panels
Easy to install Pay for themselves over time
ConsOverall more prone to damageHave to be professionally installed
Have a shorter lifespan
Rigid construction
Aren’t typically as efficientCannot be easily removed
Shorter or no warrantyOverall initial cost

Thin film panels: a flexible panel option

The current flexible solar panels available to homeowners on the market fall under the category of “thin film panels.” A thin film solar panel is made with layers that are over 300 times smaller than standard silicon solar panels, which gives them a much thinner profile and can even make them flexible. Flexible thin film panels are lightweight and durable, and can be an intriguing option depending on a solar project’s needs. (Read more about MiaSolé, a flexible thin film solar panel manufacturer, in EnergySage’s company overview.)

To learn more about solar panel manufacturers focusing on flexible products, check out our company reviews on Sunflare and Miasole, two companies innovating in the flexible solar space. As these types of companies continue to refine their products, you might expect flexible solar technology to begin creeping into the residential and commercial solar markets.

Pros and cons of flexible solar panels

The biggest advantage of flexible panels is their ability to fit many types of solar projects. For example, if your roof can’t bear the heavy load of traditional solar panels due to structural concerns, lightweight flexible panels like thin-film may be a great solution that won’t compromise your home’s structural integrity. Because flexible panels can be shaped to fit the surface they are installed on, they can be easily installed on less conventional structures like carports.

Financially, flexible panels will likely reduce the installation cost of your solar array. Flexible/thin film panels require less labor to install, and they are much more portable and easy to handle than typical panels, which can be bulky and heavy and require heavy-duty roof mounting systems.

Pros and cons of flexible solar panels

Pros Cons
Flexibility- Due to their size and ability to be shaped, they work for many different projects.Lower efficiency- They aren’t as efficient as other panels, meaning that more will be needed.
Lightweight- Flexible panels are lightweight enough to use on roofs not structurally ideal for a regular systemMore space- With more panels needed, typical roof installs simply don’t have enough roof space.
Less expensive- Typically, flexible and thin panels take less time or labor to install and are portable.Damage prone- Because of the organic solar cells used, flexible panels are more prone to damage.

The most common obstacle for thin film or flexible solar panels is their lower efficiency than classic panels. Today, the efficiency ratings for average monocrystalline or polycrystalline panels hovers between 16 and 20 percent. Thin film solar panels, on the other hand, typically offer an efficiency of between 7 and 15 percent. This lowered efficiency means that you will need more solar panels to produce the same amount of energy, which can be a barrier to some solar projects with limited roof space for installation.

Additionally, flexible solar panels aren’t a good fit for many home rooftop solar projects, because there may not be enough roof space to produce your desired amount of energy. Due to their durability and portability, flexible solar panels are best for small solar projects on surfaces such as RVs or boats, where they may experience physical wear and tear that would not occur on a stationary roof. Their durability combined with the reduced weight of flexible panels make them ideal for these smaller, mobile solar projects that don’t need large amounts of energy.

Uses for flexible solar panels

Perhaps the best application for flexible solar panels is in situations where you might need a portable solar solution. Products like the Winnewsun Flexible Solar Panelare one way to generate solar power on the go, potentially on the roof of an RV. Similar to flexible panels are foldable solar panels like the SUAOKI Solar Charger. Like flexible panels for your RV, folding solar panels are a great option for camping and hiking trips if you need lightweight and portable power.

All things considered, a flexible solar panel setup is usually best for on-the-go solar power instead of as a permanent home solar solution. When you’re out on the trail, camping, or driving long distances, having a durable, lightweight, and flexible solar panel setup can be a great way to generate free electricity from the sun.

Frequently asked questions about flexible and thin solar panels

What are the lightest solar panels?

Many flexible solar panels weigh about 5 lbs versus around 40 lbs for rigid panels. Because of their lighter weight and smaller size, flexible solar panels are great for portable needs.

Why do flexible solar panels fail?

Bending beyond the recommended curve radius and extensive damage can both cause thin-film flexible solar panels to fail. This causes damage to the organic solar cells and multiple fragile layers.

Are flexible solar panels less efficient?

Typically, yes – flexible solar panels are typically about 5-10% less efficient than their rigid counterparts.

Do flexible solar panels last?

Flexible solar panels are less durable and tend to be more prone to damage than rigid solar panels, so they don’t typically last as long as other solar panels.

(Video) ✅ 10 Best Flexible Solar Panel New Model 2022

What is the thinnest solar panel available?

The Renogy Flexible Monocrystalline Solar Panel is the thinnest solar panel on our list for residential homes with a thickness of 0.08 inches.

How do flexible solar cells work?

Flexible solar cells work by gathering energy from the sun and converting it into usable electricity by the photovoltaic effect, just like rigid solar panels.

(Video) Best Flexible Solar Panel In 2022 - Top 10 Flexible Solar Panels Review

Finding the right solar panel setup for your home is easy

Whether you are interested in thin-film solar panels or more traditional monocrystalline and polycrystalline modules, it is important to compare solar quotes from many installers to select the best one for your property. On the EnergySage Solar Marketplace, you can solicit quotes from qualified, pre-vetted installers and compare them side by side. Our installers offer many types of solar installation, and can work with you to customize a perfect home solar solution to meet your energy needs while tailoring their installation for your unique home. If you are interested in a certain type or manufacturer of solar panels, simply leave a note on your property profile for installers to see.


Are the flexible solar panels any good? ›

Yes, modern flexible solar panels provide an excellent, durable alternative to rigid panels. They can take a beating, are adaptable, and provide ample power for small appliances and batteries. The only downsides are they are a little less efficient than rigid panels and might not last as long.

What are the most efficient solar panels 2022? ›

The most efficient solar panel for homes is a monocrystalline (mono) panel. These panels, made of silicon crystal, have the highest efficiency, falling between 15% and 22%. Thanks to the technological advancements in the solar industry, mono panels can generate more power using smaller panels with half-cells.

What is the most flexible solar panel? ›

Renology 175 Watt 12 Volt Flexible Monocrystalline Solar Panel. This 6.2 pound solar panel can flex 248 degrees, making it one of the most flexible solar panels on the market. It is . 1 inches thick and easily mountable, making it a perfect option for portable solar generation on boats or recreational vehicles.

Why do flexible solar panels fail? ›

Prone to Damage

However, too much flexing and bending can cause the solar panels to crack. If you have installed flexible solar panels on your truck, RV, or house, branches of trees can scratch the thin plastic. It might damage the solar cells. One bad bump can significantly lower your solar panels' efficiency.

Do flexible solar panels need an air gap? ›

Because flexible panels are typically mounted directly to the surface they are on, they also have no air gap to help cool them. On hot days the panels can get very hot, and when they do, produce less power. Hot panels can lose up to 20% of their rated output.

Do flexible solar panels need airflow? ›

The performance (output power) of solar panels reduces when they get hot. A vented air gap allows heat to escape and helps the panel, and the surface they are installed on, maintain a lower temperature. When panels run less hot their longevity is also improved.


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