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DAS-DH132NC-715 vs DHN-66Y18/DG-710 15 of 18 identical Swap Change panels

DAH Solar DAS-DH132NC-715 vs DAH Solar DHN-66Y18/DG-710

DAH Solar
DAS-DH132NC-715
715 Wp 23.00 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
DAH Solar
DHN-66Y18/DG-710
710 Wp 22.86 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

3 differences, and they point both ways

The largest is temperature coefficient: 0.010 %/°C better in heat. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 3 differences
How alike are they
15 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

3 of 18 parameters
Parameter DAS-DH132NC-715 DHN-66Y18/DG-710 Difference
Temperature coefficient -0.280 %/°C -0.290 %/°C 0.010 %/°C better in heat
Weight 38.3 kg 36.7 kg 1.6 kg lighter
Open-circuit voltage 49.08 V 48.00 V 1.08 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
DAS-DH132NC-715
23,990 kWh
DHN-66Y18/DG-710
23,822 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DAS-DH132NC-715 DHN-66Y18/DG-710
Standard test conditions 25 °C 100.0% of rated power 715 W 710 W
Cool, bright day 40 °C 95.7% of rated power 685 W 679 W
Typical summer roof 55 °C 91.3% of rated power 655 W 648 W
Hot roof 70 °C 87.0% of rated power 625 W 617 W
03

Full specification

Parameter DAS-DH132NC-715 DHN-66Y18/DG-710 Difference
Power and efficiency
Rated power 715 Wp 710 Wp Effectively the same
Module efficiency 23.00 % 22.86 % Effectively the same
Power density 230.2 Wp/m² 228.6 Wp/m² Effectively the same
Open-circuit voltage 49.08 V 48.00 V 1.08 V apart
Voltage at max power 40.98 V 40.40 V Effectively the same
Short-circuit current 18.47 A 18.61 A Effectively the same
Current at max power 17.45 A 17.57 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.290 %/°C +0.010 %/°C for DAS-DH132NC-715
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.3 kg 36.7 kg -1.6 kg for DHN-66Y18/DG-710
Weight per kWp 53.6 kg/kWp 51.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count - 132 Not published by DAH Solar
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#1,970 vs #2,591
DAS-DH132NC-715 leads by 621 places
Power density
#2,070 vs #2,529
DAS-DH132NC-715 leads by 459 places
Heat behaviour
#1,347 vs #2,220
DAS-DH132NC-715 leads by 873 places
Weight
#7,635 vs #5,102
DHN-66Y18/DG-710 leads by 2,533 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#457 vs #614
DAS-DH132NC-715 leads by 157 places
05

More useful comparisons

Open the full database
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DAH Solar DAS-DH132NC-715 vs DAH Solar DAS-DH132NC-695
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DAH Solar DHN-66Y18/DG-710 vs DAH Solar DHN-66Y18/DG-725
3 differences, the largest is module efficiency
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DAH Solar DHN-66Y18/DG-710 vs DAH Solar DHN-66Y18/DG-720
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: DAH Solar DAS-DH132NC-715 or DAH Solar DHN-66Y18/DG-710?
According to our database: DAH Solar DAS-DH132NC-715 has higher module efficiency (23.00% vs 22.86%); DAH Solar DAS-DH132NC-715 tolerates heat better (temp coeff -0.280%/°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 DAH Solar DAS-DH132NC-715 and DAH Solar DHN-66Y18/DG-710?
DAH Solar DAS-DH132NC-715 has a module efficiency of 23.00%, while DAH Solar DHN-66Y18/DG-710 is 22.86%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does DAH Solar DAS-DH132NC-715 use vs DAH Solar DHN-66Y18/DG-710?
DAH Solar DAS-DH132NC-715 uses TOPCon cells; DAH Solar DHN-66Y18/DG-710 uses TOPCon. 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 DAH Solar DAS-DH132NC-715 and DAH Solar DHN-66Y18/DG-710?
DAH Solar DAS-DH132NC-715 has a 30 years power warranty; DAH Solar DHN-66Y18/DG-710 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 DAH Solar DAS-DH132NC-715 and DAH Solar DHN-66Y18/DG-710 bifacial panels?
Both DAH Solar DAS-DH132NC-715 and DAH Solar DHN-66Y18/DG-710 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.

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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.