Trina Solar Vertex S+

Trina Vertex S+ dual-glass panels for durable, high-output residential solar.

The current Trina Vertex S+ NEG9R.28 range delivers 450–475 W with efficiency up to 23.8%, using N-type i-TOPCon cells and dual-glass construction.

450–475 WUp to 23.8% efficientDual glassN-type i-TOPCon
Trina Solar Vertex S+ residential solar panels
450–475 WCurrent power range
Up to 23.8%Maximum module efficiency
N-type i-TOPConCell technology
All-blackResidential roof finish
Why we use this range

A strong balance of power, durability and appearance.

Vertex S+ is designed for residential and commercial rooftops in a manageable 1762 × 1134 mm format. Its dual-glass construction replaces a conventional polymer backsheet with a second glass layer.

Current 2026 wattage bins run from 450 to 475 W, with the 475 W module reaching 23.8% efficiency.

Cell format: Trina lists 144 cells for this NEG9R.28 design. This differs from the common 108 half-cell / 54 full-cell-equivalent terminology used by some other manufacturers.

Key figures

  • 450, 455, 460, 465, 470 and 475 W bins
  • 22.5% to 23.8% module efficiency
  • Dual 1.6 mm glass construction
  • Up to 25-year product and 30-year power warranties
Benefits

Why we specify Trina Vertex S+.

Dual-glass protection

Glass on both sides supports durability and resistance to moisture and environmental stress.

High efficiency

Up to 23.8% efficiency helps increase kWp without using oversized commercial modules.

Strong loading

The datasheet lists 5,400 Pa snow and 4,000 Pa wind test loads.

Low degradation

N-type technology supports 1% first-year and 0.4% annual degradation figures.

Broad compatibility

The residential format is designed for mainstream inverters, optimisers and mounting systems.

Refined roof finish

Black framing and a consistent cell layout suit modern all-black residential arrays.

Trina-style all-black dual-glass panels on a residential roof
System design

What the wattage means on your roof.

Twelve 475 W Vertex S+ panels create a 5.70 kWp array; sixteen create a 7.60 kWp array.

The final design will account for roof direction, pitch, shading, cable routes, inverter input limits and any planned battery, EV charger or heat pump.

Mr Solar recommendation: Trina Vertex S+ suits customers wanting dual-glass construction, high efficiency and a well-established residential panel platform.

Manufacturer source: Trina Vertex S+ NEG9R.28 2026 datasheet. Specifications can change; the exact model and datasheet will be identified in your quotation.

Which panel is right for your roof?

Mr Solar will compare usable roof area, shading, orientation, appearance, inverter design and your energy goals before recommending a panel and array size.

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