Solar Panel Comparison
Canadian Solar HiKu6 550W Mono PERC vs REC Group Alpha Pure-R 430W
The HiKu6 550W Mono PERC delivers 550W, 120W more than the Alpha Pure-R 430W at 430W.
Alpha Pure-R 430W has a higher efficiency of 22.3% versus 21.5% for the HiKu6 550W Mono PERC.
They use different cell technologies: HiKu6 550W Mono PERC uses Mono PERC Half-Cut, while Alpha Pure-R 430W uses HJT (Heterojunction).
Here's how they compare across all key specifications.
Spec
Canadian Solar
HiKu6 550W Mono PERC
550W
21.5% efficiency
REC Group
Alpha Pure-R 430W
430W
22.3% efficiency
Full Specification Comparison
| Spec | HiKu6 550W Mono PERC | Alpha Pure-R 430W |
|---|---|---|
| Performance | ||
| Power Output | 550 W | 430 W |
| Efficiency | 21.5% | 22.3% |
| Cell Type | Mono PERC Half-Cut | HJT (Heterojunction) |
| Temp. Coeff. | -0.34 %/°C | -0.24 %/°C |
| Number of Cells | 132 | 80 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 49.6 V | 59.4 V |
| Vmp | 40.9 V | 50 V |
| Isc | 13.95 A | 8.91 A |
| Imp | 13.2 A | 8.4 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2278x1134x30 mm | 1730x1118x30 mm |
| Weight | 27.6 kg | 21.5 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4-EVO2 | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 12 years | 20 years |
| Power Warranty | 25 years linear | 25 years (92% min, 0.25%/yr) |
| MCS Certified | No | Yes |
| Certifications | IEC 61215, IEC 61730, CE, ISO 9001, ISO 14001 | IEC 61215, IEC 61730, RoHS |
| Pricing (UK) | ||
| Retail Price | — | £142.00 |
| Price per Watt | — | £0.330/W |
Frequently Asked Questions
Which is more efficient, the HiKu6 550W Mono PERC or the Alpha Pure-R 430W?
The Alpha Pure-R 430W is more efficient at 22.3%, compared to 21.5% for the HiKu6 550W Mono PERC. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the HiKu6 550W Mono PERC or the Alpha Pure-R 430W?
The HiKu6 550W Mono PERC has a higher rated output at 550W. This means fewer panels would be needed to reach the same system size compared to the Alpha Pure-R 430W.
Which solar panel should I choose for my home — the HiKu6 550W Mono PERC or the Alpha Pure-R 430W?
The right choice depends on your priorities. If maximising energy generation per panel is key, consider efficiency and wattage. If budget is your main concern, compare price per watt. Both panels have their merits — use our Solar Estimator to see how each would perform in your specific home setup.
Canadian Solar
HiKu6 550W Mono PERC
550W · 21.5% efficiency · Mono PERC Half-Cut
View full specs →REC Group
Alpha Pure-R 430W
430W · 22.3% efficiency · HJT (Heterojunction)
View full specs →More Comparisons
See how these panels perform in your home
Use our Solar Estimator to calculate system size, installation cost, and payback period — with either of these panels as a starting point.