Canadian Solar vs Q Cells Solar Panels
Head-to-head comparison for UK homes in 2026.
| Spec | Canadian Solar | Q Cells |
|---|---|---|
| Country | Canada | South Korea |
| Tier | mid-range | mid-range |
| Efficiency | 22% | 22% |
| Product Warranty | 12 years | 15 years |
| Performance Warranty | 25 years | 25 years |
| Degradation Rate | 0.4%/yr | 0.35%/yr |
| Price per kW (GBP, installed) | £1,400-£1,675 | £1,450-£1,750 |
| Panel Wattage | 445W | 440W |
| Cell Type | N-type TOPCon Monocrystalline | N-type TOPCon Monocrystalline |
| Best For | Homeowners wanting a non-Chinese headquartered Tier-1 brand at a competitive price | Homeowners wanting a well-rounded premium panel without the top-tier price tag |
Canadian Solar
Pros
- + Canadian HQ with global presence
- + Tier-1 bankability
- + Consistent manufacturing quality
- + Strong commercial track record
- + Competitive pricing
Cons
- - 12-year product warranty (shorter than LONGi/Trina)
- - Panels manufactured in China despite Canadian branding
- - Less brand recognition in the UK residential market
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