Heterojunction Technology (HJT) – The Next Generation of Solar Panels

Solar energy is entering a new era thanks to groundbreaking advancements such as Heterojunction Technology (HJT). This promising solar cell technology has been making waves due to its superior efficiency, durability, and outstanding performance under varying environmental conditions.

What Exactly is HJT Technology?

Heterojunction solar technology combines crystalline silicon with amorphous silicon layers. By uniting these two materials, HJT solar cells significantly reduce energy losses and maximize efficiency. This layered approach results in solar panels that outperform conventional panels, especially in hotter climates.

Recent Innovations and Developments

Trina Solar Sets a New Record

Trina Solar recently achieved a remarkable world-record efficiency of 25.44% for HJT modules, certified by Fraunhofer CalLab in Germany. This milestone underscores the potential of HJT to revolutionize the global solar market. 👉 Read more about Trina Solar’s Record

Huasun Energy Innovations

At Intersolar Europe 2025, Huasun Energy showcased its new Kunlun Series G12-132 HJT bifacial solar module. With nearly 100% bifaciality, these panels optimize energy production, especially for vertically mounted PV installations. 👉 Explore Huasun Energy’s Innovations

TU Delft’s Breakthrough

Researchers at TU Delft developed a heterojunction solar cell with localized front contacts, achieving a power conversion efficiency of 23.4%. 👉 Read more

Advantages of HJT Panels

• Higher Efficiency: Achieving over 25% efficiency.

• Improved Performance in Heat: Less energy loss in hotter climates compared to traditional solar cells.

• Enhanced Durability and Longevity: Longer lifespan, maintaining high performance for decades.

Video Introduction to HJT Technology

For a comprehensive overview of HJT technology and its benefits, watch the following video: