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CS7N-730TB-AG vs CS6.2-66HB-620 5 of 19 identical Swap Change panels

Canadian Solar CS7N-730TB-AG vs Canadian Solar CS6.2-66HB-620

Canadian Solar CS7N-730TB-AG
CS7N-730TB-AG
730 Wp 23.50 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Canadian Solar CS6.2-66HB-620
CS6.2-66HB-620
620 Wp 23.00 % HJT Bifacial
Open panel page Datasheet PDF
The verdict

14 differences, and they point both ways

The largest is temperature coefficient: 0.050 %/°C better in heat. 5 of 19 comparable parameters are identical.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs
01

What actually differs

14 of 19 parameters
Parameter CS7N-730TB-AG CS6.2-66HB-620 Difference
Temperature coefficient -0.290 %/°C -0.240 %/°C 0.050 %/°C better in heat
Rated power 730 Wp 620 Wp 110 W more power
Module efficiency 23.50 % 23.00 % 0.50 pp more efficient
Weight 37.8 kg 32.8 kg 5.0 kg lighter
Product warranty 12 yrs 15 yrs 3 yrs longer
Annual degradation 0.40 %/yr 0.30 %/yr 0.10 %/yr slower
Short-circuit current 18.79 A 15.65 A 3.14 A apart
Module area 3.106 m² 2.701 m² 0.405 m² apart
Power density 235.0 Wp/m² 229.5 Wp/m² 5.5 Wp/m² higher
Cell technology TOPCon HJT TOPCon vs HJT
Current at max power 17.75 A 14.58 A 3.17 A apart
Open-circuit voltage 49.10 V 50.10 V 1.00 V apart
Dimensions 2384x1303x33 mm 2382x1134x30 mm 2384x1303x33 mm vs 2382x1134x30 mm
Voltage at max power 41.20 V 42.60 V 1.40 V apart
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
CS7N-730TB-AG
24,493 kWh
CS6.2-66HB-620
21,126 kWh
Lifetime gap
3,367 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario CS7N-730TB-AG CS6.2-66HB-620
Standard test conditions 25 °C 100.0% of rated power 730 W 620 W
Cool, bright day 40 °C 95.7% of rated power 698 W 598 W
Typical summer roof 55 °C 91.3% of rated power 666 W 575 W
Hot roof 70 °C 87.0% of rated power 635 W 553 W
03

Full specification

Parameter CS7N-730TB-AG CS6.2-66HB-620 Difference
Power and efficiency
Rated power 730 Wp 620 Wp +110 W for CS7N-730TB-AG
Module efficiency 23.50 % 23.00 % +0.50 pp for CS7N-730TB-AG
Power density 235.0 Wp/m² 229.5 Wp/m² +5.5 Wp/m² for CS7N-730TB-AG
Open-circuit voltage 49.10 V 50.10 V 1.00 V apart
Voltage at max power 41.20 V 42.60 V 1.40 V apart
Short-circuit current 18.79 A 15.65 A 3.14 A apart
Current at max power 17.75 A 14.58 A 3.17 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.240 %/°C +0.050 %/°C for CS6.2-66HB-620
Mechanical
Dimensions 2384x1303x33 mm 2382x1134x30 mm 2384x1303x33 mm vs 2382x1134x30 mm
Module area 3.106 m² 2.701 m² 0.405 m² apart
Weight 37.8 kg 32.8 kg -5.0 kg for CS6.2-66HB-620
Weight per kWp 51.8 kg/kWp 52.9 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 15 yrs +3 yrs for CS6.2-66HB-620
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.30 %/yr -0.10 %/yr for CS6.2-66HB-620
Technology
Cell technology TOPCon HJT TOPCon vs HJT
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#749 vs #1,970
CS7N-730TB-AG leads by 1,221 places
Power density
#836 vs #2,243
CS7N-730TB-AG leads by 1,407 places
Heat behaviour
#2,220 vs #13
CS6.2-66HB-620 leads by 2,207 places
Weight
#5,181 vs #6,673
CS7N-730TB-AG leads by 1,492 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#316 vs #2,057
CS7N-730TB-AG leads by 1,741 places
05

More useful comparisons

Open the full database
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-725TB-AG
One difference: module efficiency
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-720TB-AG
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-715TB-AG
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-710TB-AG
3 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-705TB-AG
5 differences, the largest is module efficiency
Same series, other bin
Canadian Solar CS7N-730TB-AG vs Canadian Solar CS7N-700TB-AG
6 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Canadian Solar CS7N-730TB-AG or Canadian Solar CS6.2-66HB-620?
According to our database: Canadian Solar CS7N-730TB-AG has higher module efficiency (23.50% vs 23.00%); Canadian Solar CS6.2-66HB-620 tolerates heat better (temp coeff -0.240%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Canadian Solar CS7N-730TB-AG and Canadian Solar CS6.2-66HB-620?
Canadian Solar CS7N-730TB-AG has a module efficiency of 23.50%, while Canadian Solar CS6.2-66HB-620 is 23.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Canadian Solar CS7N-730TB-AG use vs Canadian Solar CS6.2-66HB-620?
Canadian Solar CS7N-730TB-AG uses TOPCon cells; Canadian Solar CS6.2-66HB-620 uses HJT. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Canadian Solar CS7N-730TB-AG and Canadian Solar CS6.2-66HB-620?
Canadian Solar CS7N-730TB-AG has a 30 years power warranty; Canadian Solar CS6.2-66HB-620 has a 30 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are Canadian Solar CS7N-730TB-AG and Canadian Solar CS6.2-66HB-620 bifacial panels?
Both Canadian Solar CS7N-730TB-AG and Canadian Solar CS6.2-66HB-620 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

Shop prices: See 30 Canadian Solar offers

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.