Q Cells vs Trina Solar Solar Panels
Head-to-head comparison for UK homes in 2026.
| Spec | Q Cells | Trina Solar |
|---|---|---|
| Country | South Korea | China |
| Tier | mid-range | budget |
| Efficiency | 22% | 22.1% |
| Product Warranty | 15 years | 15 years |
| Performance Warranty | 25 years | 25 years |
| Degradation Rate | 0.35%/yr | 0.4%/yr |
| Price per kW (GBP, installed) | £1,450-£1,750 | £1,375-£1,625 |
| Panel Wattage | 440W | 440W |
| Cell Type | N-type TOPCon Monocrystalline | N-type TOPCon Monocrystalline |
| Best For | Homeowners wanting a well-rounded premium panel without the top-tier price tag | Those wanting a proven, bankable brand with strong warranty at a competitive price |
Q Cells
Pros
- + German engineering heritage
- + Good balance of quality and price
- + 15-year product warranty
- + Q.ANTUM NEO cell technology
- + Strong all-round performer
Cons
- - Not the cheapest option
- - Efficiency not quite as high as SunPower/REC
- - Korean HQ but Chinese manufacturing
Trina Solar
Pros
- + 25+ year track record
- + Excellent price-to-performance ratio
- + 15-year product warranty
- + Tier-1 bankability rating
- + Widely available in the UK
Cons
- - Chinese-manufactured
- - Not the absolute highest efficiency
- - Brand less differentiated vs Jinko/LONGi