The solar energy sector is constantly evolving. Each year brings its share of discoveries and improvements, making next-generation solar panels ever more efficient and accessible. In 2025, several innovations stand out, promising to transform the way we produce and consume energy. This article explores these advances that are shaping the future of photovoltaics.

Key takeaways

• Bifacial panels take advantage of light from both sides for better production.
• Perovskite represents a promising alternative to silicon for more efficient and cheaper solar cells.
• Heterojunction cells combine different materials to maximise energy efficiency.
• Energy storage is essential to optimise the use of next-generation solar panels.
• Architectural integration makes solar installations more discreet and aesthetically pleasing.

1. Bifacial panels

Bifacial panels represent a significant advance in the field of solar energy. Unlike traditional solar panels, which only capture light from one side, bifacial panels are designed to absorb sunlight on both sides. This feature allows them to convert both direct sunlight and light reflected from the ground or other surrounding surfaces, thus increasing their electricity production.

One of the main advantages of bifacial panels is their ability to generate more energy in varied conditions. The increase in efficiency, which can vary from 5 to 15%, depends heavily on the albedo of the surface on which they are installed. A light and reflective surface, such as white gravel or a light-coloured roof membrane, will significantly increase energy efficiency.

Although bifacial panels offer significant advantages, their large-scale adoption is still limited by several factors:

• The initial installation cost may be higher than that of traditional solar panels.
• They require a specific mounting design to allow light to reach both sides of the panel.
• Performance depends on the environment and the reflectivity of the ground.

The future of bifacial panels looks promising, with ongoing research aimed at improving their efficiency and reducing their cost. They represent an interesting solution for ground-mounted solar installations, commercial roofs and even agricultural applications, where they can be used to optimise the use of light and space. For Solencia photovoltaic projects, these panels offer an interesting option for maximising energy production.

In conclusion, bifacial panels are a promising technology that could play an important role in the transition to cleaner, more sustainable energy. Their ability to capture light from both sides offers a significant advantage in terms of energy production, making them an attractive option for various applications. The integration of these panels into nomadic applications with flexible photovoltaic panels could also open up new perspectives. It is important to note that self-consumption tariffs and premiums can influence the profitability of these installations.

2. Perovskite solar panels

Perovskite solar panels represent a promising advance in the field of solar energy. These materials, which are less expensive to produce than traditional silicon, offer the potential for high efficiency. They are more flexible and lightweight, opening up new perspectives for their application.

Although the technology is still under development, perovskite solar panels could well revolutionise the photovoltaic market. Current research is aimed at improving their stability and replacing potentially toxic components, such as lead, with more environmentally friendly alternatives.

Their theoretical efficiency is very interesting, but their long-term durability still needs to be proven. We’re talking about almost 30% efficiency, which is huge!

Japan is investing heavily in this technology, with Tokyo’s investment in the construction of a Sekisui factory. Recent advances, such as the Fraunhofer panel, show the potential of this technology. These advances contribute to improving efficiency and opening up new possibilities for solar energy production.

Here are some potential advantages of perovskite solar panels:

• Potentially lower production cost
• Flexibility and lightness
• High efficiency potential

3. Heterojunction solar cells

Heterojunction solar cells represent a significant advance in the field of photovoltaics. The basic idea is to combine two different semiconductor materials, typically crystalline silicon and amorphous silicon. This combination improves the efficiency of converting sunlight into electricity.

One of the main advantages of this technology is its ability to reduce recombination losses at the surface of the cell. In other words, it allows better capture of light and minimises electron losses, resulting in higher efficiency. We often talk about an efficiency of over 20%, which is very promising.

These cells are composed of several layers of semiconductor materials, each having a specific role in the conversion process. This complex structure optimises light absorption and electrical charge collection.

The use of heterojunction solar cells offers a promising way to increase the power and profitability of solar installations. They offer better durability and higher efficiency than existing technologies.

In practice, this means that solar panels equipped with heterojunction cells could produce more electricity for the same surface area, which is particularly attractive for residential or commercial installations where space is limited. In addition, their increased durability would reduce long-term maintenance and replacement costs.

It is important to note that the manufacture of these cells requires specific equipment and precise manufacturing processes. However, progress in this area suggests large-scale production in the years to come. Huasun Energy will present its new generation of HJT panels at Intersolar Europe 2025.

In summary, heterojunction solar cells offer considerable potential to improve the efficiency and profitability of solar energy. They represent an attractive alternative to traditional technologies and could play an important role in the energy transition. LONGi has also set efficiency records with this technology.

4. Transparent solar panels

Imagine a world where every window produces electricity. This is the promise of transparent solar panels, an innovation that could transform our cities. The idea is simple: integrate photovoltaic cells into the glass of windows, facades or even screens.

These panels are not completely transparent, but allow some visible light to pass through while absorbing sunlight to produce electricity. This technology offers a dual functionality: energy production and light transmission.

The main challenge lies in optimising efficiency. The first models had limited efficiency, but research is progressing rapidly. We’re talking about materials such as amorphous silicon or organic compounds, which make it possible to create thin, transparent films.

The major advantage of these panels is their versatility. They can be installed on existing surfaces without the need for major work, making them easier to adopt on a large scale. In addition, they help reduce the energy consumption of buildings by producing electricity on site.

Here are some potential applications:

• Windows of residential and commercial buildings
• Building facades
• Smartphone and tablet screens
• Car roofs

The integration of transparent solar cells into windows could revolutionise renewable energy production in urban areas. Solar energy is a clean, abundant and renewable source of energy. Climate engineering companies can take advantage of these systems to improve their energy efficiency. It is important to improve the energy performance of buildings, limit summer overheating and reduce the building’s carbon footprint.

5. Organic solar panels

These panels represent an innovative approach in the field of photovoltaics. They are distinguished by the use of organic materials, mainly polymers, for the conversion of sunlight into electricity. Just imagine, solar panels that draw their inspiration from plants! That’s kind of the idea.

One of the major advantages of this technology is its flexibility. Organic cells can be printed on thin plastic substrates, opening the way to a variety of applications, including on curved or irregular surfaces. We can imagine flexible solar panels integrated into clothing or tents, for example.

In addition, the manufacture of these panels is generally less expensive and more environmentally friendly than that of traditional silicon panels. This is a significant advantage in the current context of energy transition.

However, it is important to note that the efficiency of organic solar panels is still lower than that of silicon panels. Considerable research efforts are being deployed to improve their efficiency and durability.

In 2025, we expect to see significant progress in this area, with more efficient organic materials and optimised manufacturing techniques. The aim is to make this technology competitive in the market and contribute to cleaner, more affordable energy production. The integration of these panels into photovoltaic greenhouses could also be an interesting avenue for ecological agriculture.

Here are some key points to remember:

• Flexibility and lightness
• Potentially lower manufacturing cost
• Reduced environmental impact
• Continuous improvement of efficiency

6. Energy storage

To fully exploit the potential of next-generation solar panels, energy storage is becoming an indispensable element. Imagine being able to store the energy produced during sunny hours for use at night or on cloudy days. This is precisely what energy storage solutions allow.

The integration of energy storage systems into solar installations is essential to ensure a continuous and reliable power supply.

Advances in this area are rapid and varied. We’re not just talking about batteries anymore, but also about promising new technologies.

Energy storage is a major issue for the future of photovoltaics. It makes it possible to overcome the constraints linked to the intermittency of solar energy and to optimise self-consumption.

Here are some examples of storage solutions that are gaining in popularity:

• Lithium-ion batteries: They remain a common option, but their cost and environmental impact are concerns.
• Hydrogen storage: A promising solution, but one that still requires development to be competitive.
• Supercapacitors: They offer a longer lifespan than batteries, but their storage capacity is more limited.

Adding a storage battery to a photovoltaic installation represents a variable investment depending on the technology chosen. Innovations in HVAC (Heating, Ventilation and Air Conditioning) solutions enable better energy management. The future of solar, explored in the photovoltaic future, will depend largely on progress in the field of storage. Sigenergy will present its energy innovations at Intersolar/ees Europe 2025, highlighting advances in AI-powered energy solutions.

7. Architectural integration

The integration of solar panels into architecture is becoming a major trend. We’re no longer just talking about putting panels on an existing roof. Now, we’re looking to integrate them from the design stage of the building, for an aesthetic and functional result. It’s as if solar panels are becoming building materials in their own right.

The main objective is to make solar panels less visible and more attractive, while maximising their efficiency. This involves innovative designs, varied colours and shapes adapted to the architecture of the building. We can even imagine facades entirely covered with solar panels, or solar windows that produce electricity while letting light through.

The architectural integration of solar panels represents a significant step towards more sustainable and aesthetic buildings. It makes it possible to reconcile renewable energy production and respect for the built environment.

• Reduction of the visual impact of solar panels.
• Optimisation of energy production thanks to better orientation and inclination.
• Aesthetic enhancement of the building.

The architectural integration of solar panels is a rapidly expanding field, with many innovations to come. It is highly likely that in the near future, solar panels will be invisible and an integral part of our buildings.

It is important to note that architectural integration can influence the efficiency of the panels. Each project must therefore be carefully studied to find the best compromise between aesthetics and performance.

The way a building integrates into its environment is super important. It’s like a giant jigsaw puzzle where each piece has to fit together properly. To see how we do that, have a look at our projects on our website. You’ll find plenty of concrete examples of our achievements there.

In summary: the future of solar energy is promising

Solar panels are changing a lot. In 2025, it’s clear that innovation is everywhere. Whether it’s with panels that capture light from both sides, or those made with new materials, it all shows that we can do better. The goal is to have more efficient panels that cost less and last longer. This is important so that everyone can use the energy of the sun. We still have work to do, but the future of solar energy looks good.

Frequently Asked Questions

What is a next-generation solar panel?

Next-generation solar panels are models that use advanced technologies to better capture the sun’s energy, transform it into electricity, and store it. They are more efficient, more durable, and sometimes more aesthetically pleasing than older models.

What are the main differences between the types of solar panels mentioned?

Bifacial panels can capture sunlight from both sides, which increases their electricity production. Perovskite panels are made of a new material that is cheaper and easier to manufacture. Heterojunction cells combine several layers of materials for better performance.

Do these new technologies allow better integration of solar panels into homes?

Yes, many next-generation panels are designed to be more discreet. For example, transparent panels can be integrated into windows, and organic panels are flexible and can take different shapes, making them easier to integrate into buildings.

Why is energy storage so important for solar panels?

Energy storage is very important because it allows you to store the electricity produced during the day for use when the sun is not shining (at night or on cloudy days). This makes solar energy more reliable and reduces dependence on the electricity grid.

What does architectural integration of solar panels mean?

Architectural integration means that solar panels are no longer just placed on the roof, but are an integral part of the building. They can serve as tiles, facades, or windows, making them more aesthetic and functional.

What are the advantages of organic solar panels?

Organic solar panels are made of flexible and lightweight materials, making them easy to install on curved or non-traditional surfaces. They are also often transparent, which opens up new possibilities for use, such as on windows.

How do these innovations improve the efficiency of solar panels?

Innovations such as bifacial panels or heterojunction cells increase the amount of electricity that each panel can produce. This means that fewer panels are needed to obtain the same power, which is more efficient and takes up less space.

What does the future hold for solar panels by 2025?

In 2025, we expect to see solar panels that are even more efficient, more affordable and easier to integrate into our daily lives. The goal is to make solar energy accessible to all and to reduce our dependence on fossil fuels.