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560W-D vs 555W-D 18 of 19 identical Swap Change panels

Just Solar JST-EBMH-560W-D vs Just Solar JST-EBMH-555W-D

Just Solar
JST-EBMH-560W-D
560 Wp 21.90 % TOPCon
Open panel page Datasheet PDF
VS
Just Solar
JST-EBMH-555W-D
555 Wp 21.70 % TOPCon
Open panel page Datasheet PDF
The verdict

560W-D leads on the differences that matter

The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 560W-D 555W-D Difference
Module efficiency 21.90 % 21.70 % 0.20 pp more efficient
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
Same temp coeff. for both panels (-0.360 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
560W-D
17,831 kWh
555W-D
17,671 kWh
Lifetime gap
160 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 560W-D 555W-D
Standard test conditions 25 °C 100.0% of rated power 560 W 555 W
Cool, bright day 40 °C 94.6% of rated power 530 W 525 W
Typical summer roof 55 °C 89.2% of rated power 500 W 495 W
Hot roof 70 °C 83.8% of rated power 469 W 465 W
03

Full specification

Parameter 560W-D 555W-D Difference
Power and efficiency
Rated power 560 Wp 555 Wp Effectively the same
Module efficiency 21.90 % 21.70 % +0.20 pp for 560W-D
Power density 216.7 Wp/m² 214.8 Wp/m² Effectively the same
Open-circuit voltage 50.20 V 50.00 V Effectively the same
Voltage at max power 42.00 V 41.80 V Effectively the same
Short-circuit current 14.10 A 14.05 A Effectively the same
Current at max power 13.33 A 13.28 A Effectively the same
Temperature
Temperature coefficient -0.360 %/°C -0.360 %/°C Same
Mechanical
Dimensions 2279x1134x35 mm 2279x1134x35 mm Same
Module area 2.584 m² 2.584 m² Same
Weight 29.0 kg 29.0 kg Same
Weight per kWp 51.8 kg/kWp 52.3 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.59 %/yr 0.59 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#6,783 vs #7,421
560W-D leads by 638 places
Power density
#7,538 vs #8,148
560W-D leads by 610 places
Heat behaviour
#12,345 vs #12,345
Tied - the same position in the database
Weight
#5,155 vs #5,708
560W-D leads by 553 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,159 vs #5,588
560W-D leads by 429 places
05

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06

Written summary

07

Questions about this pairing

Which panel is better: Just Solar JST-EBMH-560W-D or Just Solar JST-EBMH-555W-D?
According to our database: Just Solar JST-EBMH-560 W-D has higher module efficiency (21.90% vs 21.70%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Just Solar JST-EBMH-560W-D and Just Solar JST-EBMH-555W-D?
Just Solar JST-EBMH-560 W-D has a module efficiency of 21.90%, while Just Solar JST-EBMH-555 W-D is 21.70%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Just Solar JST-EBMH-560W-D use vs Just Solar JST-EBMH-555W-D?
Just Solar JST-EBMH-560 W-D uses TOPCon cells; Just Solar JST-EBMH-555 W-D 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 Just Solar JST-EBMH-560W-D and Just Solar JST-EBMH-555W-D?
Just Solar JST-EBMH-560 W-D has a 30 years power warranty; Just Solar JST-EBMH-555 W-D 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.

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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.