74/ 100
Global Tier-1
Vertex S+ N-type i-TOPCon TSM-NEG18R.25 515W
Trina Solar
Very good — Very Good
15+ Yrs Field-ProvenPVEL Top PerformerInsured WarrantyGlass-Glass
How it scores, by category
Architecture & Design74
Efficiency & Yield69
Durability (verified)66
Performance & Degradation74
Guarantee & Backbone83
Sustainability100
Efficiency
23.2%
Cell
TOPCon
Temp coeff
-0.29
Warranty
25 yr
The verdict
In our Global Tier-1 class, Trina Solar Vertex S+ N-type i-TOPCon TSM-NEG18R.25 515W leads on sustainability.
Bankability: BNEF Tier 1 · AAA-bankable · sideline only, not scored. Source: https://www.pvo-int.com/wp-content/uploads/2025/09/250502_Da · scoring methodology by Solar Analytica.