Three key solar energy trends to watch in 2025
In recent years, solar energy has been booming, with technological advances and regulatory changes shaping its future.
Discover the three main trends to watch this year.

In the face of climate change, many countries are focusing on on solar energy to accelerate their energy transition. These decarbonization policies generally set ambitious targets and rely on government incentives to make them a reality.
A case in point is Thailand, which plans to increase its share of renewable energies to 51% by 2037, by massively expanding its photovoltaic capacity.
However, challenges remain, such as grid access and lack of land, requiring advances in energy storage to ensure sustainable growth in the sector.
3 global energy trends for 2025
1. High-efficiency solar panels
Photovoltaic technologies continue to progress, offering increasingly efficient solar panels at optimized costs. TOPCon (Tunnel Oxide Passivated Contact) technology is particularly promising, with an overall efficiency of 25.9%.
This technology uses tunnel oxide passivated contacts to reduce recombination losses, thereby increasing solar cell efficiency. In addition, manufacturing costs for these panels are falling, making solar energy more accessible and cost-effective.
2. Solar energy and energy storage
Energy storage is a crucial lever for maximizing the use of solar photovoltaic energy. The global energy storage market is expected to grow by 21% per year until 2030, from 137 GWh in 2023 to 442 GWh in 2030.
Lithium-ion batteries currently dominate the market, but alternative technologies such as flow batteries and supercapacitors are gaining in popularity.
Coupling an energy storage system to a photovoltaic solar power plant offers the opportunity to access an intelligent energy management strategy. Storage batteries can be used to store excess energy produced during the day, for use at night or during peaks in demand, for example.
This strategic combination brings numerous benefits in terms of energy costs and decarbonization:
- reduced dependence on the local network;
- greater reliability of energy supply;
- optimized energy costs, thanks to decentralized energy production and intelligent local control a proportion of energy costs is predictable over the long term and not subject to market fluctuations;
- the stability of electricity grids, freed from certain volumes of demand thanks to decentralized generation and management.
3. Technological advances
Technological advances in solar energy are not limited to modules and storage. Innovations such as bifacial solar panels, which capture light from both sides, and perovskite solar cells, which offer the potential for high efficiency at low cost, are under development.
In addition, solar tracking systems (solar trackers), which adjust the orientation of panels to maximize exposure to the sun, are becoming increasingly sophisticated and affordable. These technological advances are essential if we are to exploit the full potential of solar energy and reduce our dependence on fossil fuels.
Focus on Thailand’s new regulations
for photovoltaic solar energy
Solar roofs, what’s changing
In Thailand, the Ministry of Energy plans to further open up the energy market by allowing private electricity trading through new solar rooftop regulations.
The changes are designed to encourage individuals and businesses to install solar panels on their roofs and sell the surplus electricity produced. This initiative could stimulate the growth of the solar market in Thailand and serve as a model for other countries seeking to liberalize their energy sectors.
Network access challenges and land availability
Despite technological advances, grid access and limited land availability for large-scale solar power plants remain major challenges in Thailand. Integrating solar power into existing grids requires investment in transmission and distribution infrastructure.
In addition, competition for available land between solar, agricultural and urban projects complicates the planning and development of new solar installations.
However, solutions can be found by using non-arable land, roofs or other existing structures to install solar panels.
To find out more about these topics, read the article published by The Nation.
Solar power at the heart of GreenYellow’s offering platform
To stay on course towards their solar power production targets, governments around the world need to implement a number of measures (improving grid infrastructure, speeding up authorization procedures, introducing new investment incentives, etc.).
In this environment, GreenYellow is positioning itself as a key partner to support companies and local authorities in their energy transition. Thanks to tailor-made solutions and recognized expertise in decentralized photovoltaic solar power, GreenYellow enables its customers to optimize their energy production and consumption, while contributing to a more sustainable future.
Since 2007, GreenYellow has been a partner of choice for companies and local authorities wishing to promote energy transition. When it comes to solar photovoltaics and energy storage, we offer a complete range of turnkey solutions: from auditing, project design and implementation, to maintenance and operation.
👉Find out more about the modular solutions of our #SHIFTProduction offer here, which can be combined with the energy storage infrastructures of our #SHIFTStorage, to help you maximize your energy independence..
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