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Trina Vertex S+ - High-performance modules for maximum energy efficiency

The Trina Vertex S+ series sets new standards in photovoltaics. With innovative N-type technology, impressive efficiency and a robust glass-glass construction, this series offers reliable performance for residential and commercial projects. With modules that offer a peak output of up to 455 Wp and an efficiency of up to 22.8 %, this series sets new standards for private and commercial solar systems. Benefit from a product warranty of 25 years.

Learn more about the advantages of the Vertex S+ series and compare it with other Trina Solar series such as the Vertex S series or visit the Trina Solar manufacturer page for an overview and detailed information about the manufacturer.
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Trina Vertex S+ - Your solution for efficient and durable solar systems

State-of-the-art technology for optimal results

Trina Vertex S+ solar panels are specially designed for installers and projects that require maximum performance and durability. Thanks to the N-Type TOPCon technology and the innovative half-cut cells, this series achieves an impressive power range of 425 to 505 Wp and an efficiency of up to 22.8 %. You can find the exact data in the corresponding data sheets.

The glass-glass construction offers exceptional protection and a longer lifespan, while the low degradation ensures consistently high energy production over the entire service life.

Technical highlights of the Vertex S+ series

  • Powerful modules: Available in power classes 425 Wp to 505 Wp, including modules for confined spaces and larger commercial applications.
  • High efficiency: Efficiency of up to 22.8 % thanks to state-of-the-art N-Type TOPCon technology.
  • Durability: Glass-glass design for greater stability, reduced ageing and improved protection against environmental influences.
  • Temperature tolerance: Low temperature coefficient of -0.30 %/°C, ideal for hot locations.
  • Load capacity: Mechanical load capacity of up to 5,400 Pa (front) and up to 4,000 Pa (rear) for extreme weather conditions.

In addition to the standard modules in the series, the Trina Vertex s+ 440, such as TSM-440NEG9RC.27, delivers up to 85 % additional rear yield thanks to its bifacial design. It is ideal for projects with reflective surfaces that aim for maximum energy generation. For larger projects, high-performance variants such as the Trina Solar Vertex S+ TSM-450NEG9R.28 and the Trina Solar Vertex S+ TSM-445NEG9R.28 are available.

Take advantage of the Trina Solar Vertex S+ benefits for installers

The Trina Vertex S+ series is ideal for installers as it offers the following advantages:

  • Easy installation: thanks to standardized sizes and compatibility with common mounting systems.
  • Flexibility: Equally suitable for residential, commercial and industrial applications.
  • Reduced maintenance costs: Thanks to the robust glass-glass construction and high reliability.

Vertex S+ modules in comparison: efficiency, performance and technology at a glance

Common features of the Vertex S+ modules: Quality and technology at the highest level 

Dual-glass design: All modules use the robust dual-glass technology, which ensures high reliability and durability.
N-type i-TOPCon technology: Advanced cell technology with high efficiency and low power loss.
Warranty: 25-year product warranty and 30-year performance warranty.
Load limits (except NEG18R.28): Snow load of 5400 Pa and wind load of 4000 Pa.
Environmental resistance: Excellent fire resistance and resistance to harsh environmental conditions.

Differences of the Vertex S+ modules: Power, efficiency and dimensions in comparison

NEG9R.25:
Maximum power: 450 W
Power range: 425-450 W
Efficiency: 22.5 %
Dimensions: 1762 × 1134 × 30 mm
Special features: This module series is in Trina Solar's award-winning full-black design and combines aesthetic elegance with maximum power efficiency.

NEG9R.28:
Maximum power: 455 W
Power range: 430-455 W
Efficiency: 22.8 %
Dimensions: 1762 × 1134 × 30 mm

NEG9RC.27 (bifacial):
Maximum power: 440 W
Power range: 410-440 W
Efficiency: 22.0 %
Dimensions: 1762 × 1134 × 30 mm
Special feature: Bifacial with up to 85 % additional rear yield

NEG18R.28:
Maximum output: 505 W
Output range: 475-505 W
Efficiency: 22.7 %
Dimensions: 1961 × 1134 × 30 mm
Load limits: Snow load 5400 Pa, wind load 2400 Pa
Special features: Especially for commercial applications, this module series is ideal for larger roof areas and projects with high output requirements.

Compare the Trina Solar Vertex S+ series with other Trina Solar series such as the Vertex S series to find the best solution for your project.


Trina solar Vertex S+ - Experience and evaluation

The Trina Solar Vertex S+ series has achieved impressive results in independent tests and is regularly recognized as a "Top Performer", including by Kiwa PV Evolution Labs (PVEL). This recognition is based on the outstanding reliability, efficiency and quality of the modules in various test categories.

The Vertex S+ series impresses with the use of state-of-the-art technologies such as N-Type TOPCon cells and a robust glass-glass construction, which ensures high resistance and an exceptionally long service life. With their combination of efficiency and durability, the modules are ideal for a variety of applications, from residential to commercial projects.

With comprehensive warranties and proven test results, the Vertex S+ series is a reliable choice for customers looking for sustainable, high-performance solar installations.

Sustainability meets innovation

The Trina Vertex S+ series supports sustainable energy use through its long lifetime and environmentally friendly manufacturing. The low annual degradation of only 0.40 % ensures that the modules still deliver 87.4 % of their original output after 30 years.

Your partner for future-proof solar projects

With the Trina Vertex S+ series, you not only get a high-quality module, but also a reliable partner for your project. The combination of cutting-edge technology, robust construction and high flexibility makes this series the ideal choice for installers and end customers alike.

Compare Trina Solar Vertex S+ Series prices now!

View offers, find the best price and inquire directly! Find all Vertex S+ offers at a glance.

Discover information on other series from the manufacturer such as the Vertex N series or get a complete overview of the manufacturer Trina Solar.

Frequently asked questions

  • What makes Trina Solar a reliable partner for your installations?
    Trina Solar has a proven track record of providing high quality solar solutions to customers around the world. The company is present in over 100 countries and has an excellent reputation for customer service and support. Trina Solar offers comprehensive warranties and guarantees for its products, providing customers with peace of mind for their investments.

  • When was Trina Solar founded?
    Trina Solar was founded in 1997 by Jinan Gao. From its beginnings as one of the first photovoltaic companies in China, Trina Solar quickly developed into a global leader in photovoltaic technology and production.


  • What is Trina Solar known for?
    Trina Solar is a pioneer in the development of smart solar solutions and innovative Energy Internet solutions. With a strong balance sheet and outstanding financials, the company is one of the most bankable manufacturers in the solar industry, making it a reliable long-term investment opportunity for partners. The high efficiency and performance of its products has helped Trina Solar set new global records in solar cell efficiency and module performance 16 times, a testament to the company's commitment to research and development.

  • What is the production volume?
    Trina Solar has delivered a total production volume of over 80 GW by the end of 2021, including over 5.5 GW of grid-connected systems. The company employs more than 19,000 people worldwide and serves more than 100 global customers, making Trina Solar one of the top 5 manufacturers in the world.
  • Where does Trina Solar manufacture?
    Trina Solar has manufacturing facilities in Vietnam and Thailand and sales offices in numerous countries, including Spain, Mexico, Chile, Italy, Germany, Australia, France, Colombia, Brazil and India.
    Trina Solar distributes its products worldwide with regional headquarters in Singapore, Tokyo, Zurich, Dubai, Fremont and Miami.
  • Can Trina solar modules convince in their performance?
    In 2022, Trina Solar achieved a record 24.24 percent efficiency with its large-area i-Topcom modules, with the Vertex module using 66 n-type cells made of 210-millimeter wafers. This achievement was accredited by TÜV Nord.
  • What product groups does Trina Solar offer?
    Trina Solar is a leading solar energy company that offers a range of high-quality solar modules, mounting systems and trackers. The company's products are designed for applications of all types and are available worldwide. Trina Solar is known for its commitment to innovation, sustainability and customer service, making it a popular choice for solar installations. 
  • How reliable are Trina Solar's products?
    Trina Solar has established itself as a reliable supplier in the solar industry. With robust warranties of up to 25 years and high power efficiency, its products offer long-term reliability. Its modules have been successfully used in demanding environments such as high mountain and desert regions and have also proven their quality through certifications such as TÜV Nord accreditation.
  • Is Trina Solar a Tier-1 manufacturer?
    China's Trina Solar is a major global player in the solar and PV market and has been ranked as a Tier-1 manufacturer by BloombergNEF.
  • How recommendable are Trina Solar modules?
    Trina Solar's solar modules are priced in the mid-range of photovoltaic modules and have an excellent reputation for quality, making them an attractive solution for anyone looking to realize their upcoming photovoltaic project. The company's vertically integrated production process ensures that the highest standards are maintained at every step. Buying a Trina module is a wise decision, as the modules are proven to deliver high yields over the long term.
  • How long are the warranties on Trina Solar modules?
    The Vertex N series from Trina Solar offers a 25-year linear performance guarantee and a 10-year product guarantee. The Vertex S+ and Vertex S series also have a 25-year performance guarantee, but a 12-year product guarantee.