From pv magazine USA

Trinasolar has launched its Vertex N Shield photovoltaic module in North America, expanding its n-type portfolio with a product aimed at commercial and industrial (C&I) as well as utility-scale solar projects increasingly exposed to extreme weather risks.

The new module arrives at a time when hail, high wind, and uneven snow loads are becoming key design constraints for developers and asset owners, not only from an engineering perspective but also due to their growing influence on insurance premiums and long-term project bankability. Against this backdrop, Trinasolar has positioned the Vertex N Shield as a mechanically reinforced solution intended to improve resilience in climate-challenging regions.

At the core of the design is a dual-glass architecture paired with reinforced glass that achieves surface compression stress above 69 MPa. According to the manufacturer, this translates into an impact resistance approximately 2.5 times higher than conventional PV modules. The system has been engineered to withstand direct strikes from 55 mm hailstones at terminal velocities of 33.9 m/s, while also surviving 75 mm hail impacts at a 45-degree angle—specifications that place it among the more hail-resistant products currently targeting the utility-scale segment.

Mechanical robustness extends beyond hail protection. The module has been designed to address increasingly complex structural loading scenarios seen across diverse geographies. It is certified for static wind loads of +7,000 Pa downward pressure and -5,000 Pa uplift, enabling deployment in high-wind and hurricane-prone coastal areas. It also supports asymmetrical snow loading up to +6,600 Pa, which roughly corresponds to uneven accumulation approaching 7.2 feet, a parameter particularly relevant for mountainous or high-latitude installations. When deployed on tracker systems, the module retains certified structural performance at +3,600 Pa and -3,000 Pa, even with a reduced 790 mm purlin support configuration, reflecting its adaptation to modern single-axis tracker architectures.

While mechanical resilience is the headline feature, the electrical design remains consistent with Trinasolar’s established medium-format n-type platform. The Vertex N Shield is built around a 210R rectangular cell architecture using a 132 half-cut cell layout on an i-TOPCon monocrystalline platform. The module delivers a peak output of 620 W with a maximum efficiency of 23.0%, supported by a temperature coefficient of -0.29%/C. Its low-voltage design further enables longer string configurations, an approach commonly used to reduce balance-of-system costs in large-scale PV plants.

Dimensionally, the module measures 2382 mm × 1134 mm × 30 mm and weighs 39.7 kg. Electrically, it offers an open-circuit voltage of 49.6 V and a short-circuit current of 15.91 A, aligning with high-power utility-scale string design requirements.

On the reliability side, the module has undergone environmental stress testing with Kiwa PVEL, with reported validation against a range of long-term degradation mechanisms. These include potential-induced degradation (PID), light-induced degradation (LID), and light- and elevated temperature-induced degradation (LeTID), along with accelerated exposure testing for salt mist, ammonia, and high-dust conditions—factors that collectively define performance in harsh operating environments.

The module also carries UL 61730 Fire Type 30 certification and achieves Class A performance in standard fire safety evaluations, supporting compliance in regulated North American deployment environments. Trinasolar further backs the Vertex N Shield with a 30-year performance warranty, reinforcing its positioning in a segment where durability, risk mitigation, and lifecycle yield are increasingly central to project economics.

With the launch of Vertex N Shield, Trinasolar is clearly aiming to align higher mechanical robustness with the efficiency and power density expectations of modern utility-scale PV, as developers continue to prioritize survivability alongside energy yield in an increasingly volatile climate landscape.