Middle of its segment, modest efficiency
Trina Solar Vertex S+ Dual Glass modules are designed for rooftops, where longevity, aesthetics, and stable energy production over years are equally important. The key feature is the dual glass construction - instead of a traditional backsheet, glass is used on both sides, improving resistance to moisture, aggressive environments (e.g., coastal areas) and long-term thermal stress. Combined with n-type i-TOPCon cells, the module offers high efficiency even under low-light conditions and slower degradation, translating to a more predictable yield over the installation’s lifecycle.
Vertex S+ is also practical for installation teams - its format optimized for roofs and popular mounting systems simplifies on-site logistics, while connection solutions support compatibility with modern inverters and optimizers. For investors, this means greater long-term reliability and reduced risk of performance declines. It’s an excellent choice for homes, small businesses, and projects where aesthetics (including the full black version) and high craftsmanship quality are key.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Tight roof space, roofs where every square metre has to count and hot climates.
Bottom 13% of the N-type 400-450 W segment, against a median of 21.95%.
Bottom 14% of the N-type 400-450 W segment, against a median of 218.4.
Bottom 25% of the N-type 400-450 W segment, against a median of -0.290.
- Efficiency of 21.1% is 0.8pp below the N-type 400-450W median (21.9%)
- 211.3 W/m² power density is 7.1 W/m² below N-type 400-450W median (218.4 W/m²) - requires larger installation area
- At -0.30%/°C, hot weather performance is typical for N-type 400-450W panels
- #9365 for efficiency, #6152 for temperature performance out of 14129 panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 6 panels of the same or similar size to this one, within ±10 mm. See them here Found 59 panels of the same or similar size to this one, within ±25 mm. See them here Found 3694 panels of the same or similar size to this one, within ±50 mm. See them here Found 4185 panels of the same or similar size to this one, within ±100 mm. See them here
About the Vertex S+ Dual Glass Monocrystalline Module series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.