Suntech Launches First Ultra T 3.0 Quarter-Cut Module Off the Production Line

Suntech’s first Ultra T 3.0 high-efficiency quarter-cut module has rolled off the production line at the company’s Jiangyin manufacturing base, marking another milestone in the expansion of its N-type module portfolio.

Powered by Suntech’s self-developed N-type TOPCon 3.0 cell technology, the module delivers cell efficiencies of up to 27.5%. Combined with an innovative quarter-cut architecture, the new product is designed to enhance energy yield, operational reliability, and application flexibility across a wide range of scenarios.

The Ultra T 3.0 quarter-cut module features a more compact cell layout compatible with high-density negative-gap encapsulation technology, increasing active light-absorbing area and improving power generation per unit area. Its optimized “parallel-series-parallel” circuit design helps reduce operating current and mitigate hotspot risks, while delivering stronger performance under high-temperature and partial shading conditions.

The quarter-cut architecture also improves mechanical durability by distributing stress more evenly across smaller cells, effectively reducing the risk of microcracks. Even if a single cell is impacted, the effect on overall module output remains limited, supporting more stable long-term system operation in residential, commercial, and complex installation environments.

In addition, the module integrates advanced technologies including edge passivation and Polyfinger design to reduce carrier recombination losses and minimize leakage risks. With bifaciality of up to 90% and a low temperature coefficient of -0.26%/°C, the module maintains strong energy generation performance even in demanding climates.

Designed for diverse application scenarios, the Ultra T 3.0 series offers strong resistance to moisture, salt mist, wind, and sand, making it suitable for coastal, desert, and high-altitude environments. The module delivers first-year degradation of ≤1% and annual degradation as low as 0.35%, backed by up to a 25-year product warranty and a 30-year linear power warranty.

The successful rollout of the Ultra T 3.0 quarter-cut module is further enabled by Suntech’s strengthened collaboration across the integrated PV value chain following its strategic cooperation with HY SOLAR. By enhancing coordination from upstream materials to advanced module manufacturing, Suntech continues to reinforce its manufacturing capabilities, improve production efficiency, and accelerate the commercialization of next-generation high-efficiency PV technologies.

As global demand for high-efficiency PV products continues to grow, Suntech remains focused on accelerating N-type technology innovation and delivering reliable, high-performance solar solutions for the global energy transition.