LONGi Unveils Revolutionary HIBC Technology and True 700W Module at SNEC2025

LONGi's New HIBC Technology and the True 700W Module

On June 11, 2025, LONGi made headlines during the 18th International Photovoltaic Power Generation and Smart Energy Exhibition (SNEC) by unveiling its cutting-edge HIBC technology alongside the True 700W module. This remarkable advancement not only sets a new industry benchmark, but also breaks the 700W threshold for solar modules produced in standard dimensions.

The HIBC, or Hybrid Interdigitated Back-Contact technology, integrates the benefits of both Heterojunction Technology (HJT) and Back Contact (BC) designs. It marks the first instance of mass-producing modules capable of achieving over 700W output while maintaining a size of 2382 mm x 1134 mm. Impressively, the conversion efficiency of these modules can reach nearly 26%, ushering in a new era characterized by efficiencies exceeding 25% for photovoltaic modules.

A Milestone in Solar Efficiency

LONGi’s chairman, Zhong Baoshen, referred to this launch as another significant milestone in the company’s journey towards technological innovation within the photovoltaic sector. The recent certification of the HIBC cells by the Institute for Solar Energy Research Hamelin (ISFH) in Germany, which confirmed an exceptional conversion efficiency of 27.81%, further emphasizes the groundbreaking nature of this technology.

Zhong emphasized the need for substantial improvements in output per unit area instead of merely expanding the physical dimensions of the solar panels. Historically, merely increasing module size led to diminishing returns in reliability and quality. The advantages of the HIBC technology are clear: it enhances the efficiency of mass-produced solar products and opens up new possibilities for solar energy applications.

Introduction of Power Density Concept

WHAT’S unique about LONGi’s True 700W module is its outstanding power density, exceeding 259 W/m². Compared to other 700W models in the industry, which tend to occupy significantly more space (typically sized at 2384 mm x 1303 mm), LONGi’s new module asserts that superior performance can come from more compact designs. Zhong Baoshen made it clear that this new module teaches us that extensive dimensions do not necessarily lead to superior output—a concept revolutionary for the industry.

With continuing pressure for land use and real estate, this increase in power density represents a valuable solution for both residential and commercial installations, especially as urban density intensifies.

The Road Ahead with HIBC Technology

The HIBC technology not only elevates efficiency standards in the photovoltaic industry but also predicts a shift towards a new normal in manufacturing, where module efficiencies of above 25% will become the expected standard. By adeptly melding the HJT high-efficiency passivation technology with back contact frameworks, LONGi has achieved a feat in under three years, proving not only the technology's growth potential but also its applicability across various sectors.

Furthermore, Professor Martin Green, often referred to as the 'father of solar energy' at the University of New South Wales, praised LONGi's innovation journey leading to the HIBC technology's unprecedented standing in the global efficiency rankings for solar cells.

Market Cooperation and Future Strategies

At the press conference, Zhong also discussed the progress LONGi made in establishing a collaborative BC ecosystem since its launch in 2023. As of May 2025, LONGi had gained significant traction with 191 technical partnerships and established collaborations covering vital areas such as silicon wafers, modules, system solutions, and more, achieving an initial revenue of 1.95 billion Yuan.

Zhong’s vision remains steadfast: to continue planting 'black land’—an allusion to enriching the solar sector in a way that champions sustainability and technological evolution. This commitment underlines LONGi’s promise to enhance the value of BC technology and penetrate numerous industries across the globe.

In conclusion, LONGi’s recent innovations with its HIBC technology and True 700W module stand as a reflection of its dedication to leading solar technology into a brighter, more efficient future. The company's strides are sure to inspire further developments and contribute significantly to resolving global energy challenges.