Solar Panel Comparison

Canadian Solar HiKu7 665W Mono PERC Commercial vs REC Group Alpha Pure-R 430W

The HiKu7 665W Mono PERC Commercial delivers 665W, 235W more than the Alpha Pure-R 430W at 430W.

Alpha Pure-R 430W has a higher efficiency of 22.3% versus 21.2% for the HiKu7 665W Mono PERC Commercial.

They use different cell technologies: HiKu7 665W Mono PERC Commercial uses Mono PERC M12 Half-Cell, while Alpha Pure-R 430W uses HJT (Heterojunction).

Here's how they compare across all key specifications.

Alpha Pure-R 430W· Higher efficiencyHiKu7 665W Mono PERC Commercial· Higher outputHiKu7 665W Mono PERC Commercial· Better temp. performanceAlpha Pure-R 430W· Lighter

Spec

Canadian Solar

HiKu7 665W Mono PERC Commercial

665W

21.2% efficiency

REC Group

Alpha Pure-R 430W

430W

22.3% efficiency

Full Specification Comparison

SpecHiKu7 665W Mono PERC CommercialAlpha Pure-R 430W
Performance
Power Output665 W430 W
Efficiency21.2%22.3%
Cell TypeMono PERC M12 Half-CellHJT (Heterojunction)
Temp. Coeff.-0.34 %/°C-0.24 %/°C
Number of Cells15680
BifacialNoNo
Electrical
Voc43.9 V59.4 V
Vmp37 V50 V
Isc19.59 A8.91 A
Imp18 A8.4 A
Max System Voltage1500 V1000 V
Operating Temp-40 to +85 °C-40 to +85 °C
Physical
Dimensions2384x1303x35 mm1730x1118x30 mm
Weight34.4 kg21.5 kg
Frame ColourSilverBlack
Connector TypeMC4MC4
Junction Box IPIP68—
Warranty & Certification
Product Warranty2520 years
Power Warranty25 years linear (0.55%/yr)25 years (92% min, 0.25%/yr)
MCS CertifiedNoYes
CertificationsIEC 61215, IEC 61730, CEIEC 61215, IEC 61730, RoHS
Pricing (UK)
Retail Price—£142.00
Price per Watt—£0.330/W

Frequently Asked Questions

Which is more efficient, the HiKu7 665W Mono PERC Commercial or the Alpha Pure-R 430W?

The Alpha Pure-R 430W is more efficient at 22.3%, compared to 21.2% for the HiKu7 665W Mono PERC Commercial. Higher efficiency means more power generated per square metre of roof space.

Which panel produces more power, the HiKu7 665W Mono PERC Commercial or the Alpha Pure-R 430W?

The HiKu7 665W Mono PERC Commercial has a higher rated output at 665W. 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 HiKu7 665W Mono PERC Commercial 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

HiKu7 665W Mono PERC Commercial

665W · 21.2% efficiency · Mono PERC M12 Half-Cell

View full specs →

REC Group

Alpha Pure-R 430W

430W · 22.3% efficiency · HJT (Heterojunction)

View full specs →

More Comparisons

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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.

Solar EstimatorEstimate Installation Cost