Suntech Advances High-Efficiency PV with Quarter-Cut Technology

As the global energy transition accelerates and the PV industry moves into a new phase of high-quality development, technological progress is evolving from incremental improvements to system-level optimization across efficiency, reliability, and cost.

Backed by 25 years of technical expertise and continuous R&D investment, Suntech continues to advance along specialized technology pathways. With TOPCon 3.0 cell efficiency exceeding 26.5%, the company further integrates quarter-cut cell technology at scale, launching the Ultra T 3.0 module series—delivering comprehensive upgrades across electrical design, thermal performance, encapsulation processes, and long-term reliability, and redefining high-efficiency PV standards.

Precision Loss Control, Elevated Performance

Quarter-cut technology fundamentally addresses power loss and safety challenges through optimized cell structure and electrical characteristics. By reducing the operating current of individual cells, resistive losses are minimized at the source, enabling more efficient and stable power output.

At the same time, optimized cell layout and lower current contribute to more uniform heat distribution, significantly reducing hotspot risks and ensuring stable operation under partial shading, high-temperature, and high-density installation conditions.

The technology also enables compatibility with high-density, near-zero and negative spacing designs, increasing effective light-receiving area and boosting power generation per unit area. Through high-precision edge passivation and advanced thin-film processes, cutting-related defects are effectively mitigated, transforming cell segmentation into a driver of efficiency gains.

With improved temperature coefficients, enhanced low-light performance, and stronger resistance to micro-cracks and mechanical loads, quarter-cut modules deliver superior reliability throughout transportation, installation, and long-term operation.

Empowered by TOPCon 3.0

Integrated Innovation Driving Performance Leadership

Leveraging the TOPCon 3.0 cell technology, Suntech achieves deep integration between quarter-cut technology and high-efficiency N-type cells, translating technological advantages into product competitiveness through the Ultra T 3.0 series.

The latest modules achieve a bifaciality ratio of up to 90%, delivering enhanced rear-side generation and strong performance in bifacial applications. With first-year degradation ≤1% and annual degradation as low as 0.35%, the modules significantly outperform industry benchmarks in long-term reliability.Combined with dual-glass structure and advanced coating technologies, the modules offer enhanced transmittance, weather resistance, and durability against salt mist and sand exposure, ensuring stable performance across diverse environments. Backed by up to a 25-year product warranty and a 30-year linear power warranty, Suntech translates technological innovation into long-term value for customers.

Advancing Toward a High-Quality PV Future

Quarter-cut technology represents a critical pathway toward higher efficiency, enhanced reliability, and improved lifecycle value in PV modules. Through strong R&D capabilities, precision manufacturing, and integrated value chain synergy, Suntech continues to unlock its full potential and push beyond conventional performance limits.

Looking ahead, Suntech will remain committed to continuous innovation, delivering advanced technologies and reliable products to support the global energy transition and the long-term development of the photovoltaic industry.ustry.