A smaller dual-glass N-type module for roofs that cannot take full-size 72-cell panels.
The panel for awkward roofs. At 440 to 445W the Vertex S+ is physically smaller than the 550W and 590W modules above, which is the point: it fits between obstructions, around parapets and onto pitched sections where a full-size 72-cell panel simply will not sit. N-type i-TOPCon cells give it up to 22.8 percent efficiency, so you lose less per square metre than the smaller format would suggest. The dual-glass construction replaces the polymer backsheet with a second sheet of 3.2mm tempered glass, and in this climate that has a real consequence: backsheets are the component that ages under ultraviolet and heat, and removing one removes a failure path over a 25-year life. It also makes the module heavier, so the mounting design and the roof's structural capacity need checking rather than assuming. Trina backs it with a 25-year product warranty alongside the 25-year power warranty, which is a stronger product term than most of the field offers. Trina maintains a Dubai regional presence and distributes through Power n Sun and other resellers, none of whom publish an AED figure per panel. Confirm the model against DEWA's live list before a grid-tied submission.
Fits roof areas that a full-size 72-cell panel cannot
Dual glass removes the backsheet, the part that ages worst in UV and heat
25-year product warranty, not only a power warranty
N-type cells hold efficiency well for a smaller-format moduleModel NEG9R.28
| Rated output | 440-445W |
| Cell technology | N-type i-TOPCon |
| Module efficiency | Up to approximately 22.8 percent |
| Construction | Dual glass, 3.2mm tempered front glass |
| Product warranty | 25 years |
| Power warranty | 25 years |
| UAE distribution | Power n Sun and other UAE resellers, Trina has a Dubai regional office |
Reach for this one when the roof, not the budget, is the problem. Dubai villa roofs are rarely clean rectangles: water tanks, condenser platforms, dish mounts and access hatches break the area into pieces, and a 2.3 metre module often cannot be laid where a 1.8 metre module can. Using a smaller panel to fill those pieces adds real capacity that would otherwise be lost. Dual glass suits the climate because it takes the polymer backsheet out of the equation entirely, and backsheet degradation under sustained UV and roof-surface heat is a genuine long-term concern here rather than a theoretical one. The weight penalty is the trade: confirm the roof structure and specify mounting accordingly, particularly on older villas. Supply is by quotation through UAE distributors, with no published per-panel price. For Shams Dubai the model must appear on DEWA's eligible equipment list and the contractor must be DEWA-enrolled. Off-grid and backup arrays sidestep both requirements.
Trina Solar in the UAE. Tier-1 panel manufacturer available through UAE solar distributors. Quoted per project.
