Tongwei Solar vs Trina Solar

Tongwei Solar vs Trina Solar β€” Side-by-side comparison of flagship series, max power, efficiency, warranty, and best-fit use cases. Request quotes from JUST SOLAR.

Head-to-head specs

Tongwei SolarTrina Solar
TierTier 1Tier 1
2025 Shipments50+ GW75+ GW
Flagship SeriesTWMND / TNCVertex N (TOPCon)
TechnologyTOPCon N-typeTOPCon N-type
Max Power720W695W
Max Efficiency23.5%23.4%
Warranty12yr product / 30yr power15yr product / 30yr power
Founded20131997
HeadquartersChengduChangzhou
CountryChinaChina
Tongwei Solar

Key strengths

  • βœ“World #1 solar cell + polysilicon producer
  • βœ“Ultra-deep vertical integration
  • βœ“Aggressive pricing (full chain cost advantage)
  • βœ“Rapidly expanding module capacity
  • βœ“High-efficiency TNC TOPCon cells
Trina Solar

Key strengths

  • βœ“High-power module leader (695W+)
  • βœ“Strong Americas market presence
  • βœ“15-year product warranty
  • βœ“Diverse manufacturing footprint (China, Thailand, Vietnam, Indonesia)
  • βœ“AAA bankability rating
Tongwei Solar β€” Best fit

Cost-sensitive large projects, buyers valuing cell-quality traceability, large-scale utility

Trina Solar β€” Best fit

Utility-scale globally, North/Latin American projects, high-power GW-scale

πŸ”Ž Verdict

On efficiency, Tongwei Solar leads (23.5%). For peak wattage, Tongwei Solar offers the higher ceiling (720W). Choose Tongwei Solar if your project matches: Cost-sensitive large projects, buyers valuing cell-quality traceability, large-scale utility. Choose Trina Solar if: Utility-scale globally, North/Latin American projects, high-power GW-scale.

πŸ’Ό Ready to buy?

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