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TSM-NEG9R.28 460W vs JAM54D41-455/LR 11 of 19 identical Swap Change panels

Trina Solar TSM-NEG9R.28 460W vs JA Solar JAM54D41-455/LR

Trina Solar TSM-NEG9R.28 460W
TSM-NEG9R.28 460W
460 Wp 23.00 % TOPCon
Open panel page Datasheet PDF
VS
JA Solar JAM54D41-455/LR
JAM54D41-455/LR
455 Wp 22.80 % TOPCon
Open panel page Datasheet PDF
The verdict

TSM-NEG9R.28 460W leads on the differences that matter

The largest is open-circuit voltage: 13.30 V apart. 11 of 19 comparable parameters are identical.

See all 8 differences
How alike are they
11 of 19 comparable
parameters are identical
identical differs
01

What actually differs

8 of 19 parameters
Parameter TSM-NEG9R.28 460W JAM54D41-455/LR Difference
Open-circuit voltage 53.80 V 40.50 V 13.30 V apart
Short-circuit current 10.81 A 14.42 A 3.61 A apart
Module efficiency 23.00 % 22.80 % 0.20 pp more efficient
Weight per kWp 45.7 kg/kWp 48.4 kg/kWp 2.7 kg/kWp lighter
Voltage at max power 45.40 V 33.33 V 12.07 V apart
Current at max power 10.14 A 13.65 A 3.51 A apart
Cell count 144 108 36 cells apart
Weight 21.0 kg 22.0 kg 1.0 kg lighter
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
TSM-NEG9R.28 460W
15,434 kWh
JAM54D41-455/LR
15,266 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario TSM-NEG9R.28 460W JAM54D41-455/LR
Standard test conditions 25 °C 100.0% of rated power 460 W 455 W
Cool, bright day 40 °C 95.7% of rated power 440 W 435 W
Typical summer roof 55 °C 91.3% of rated power 420 W 415 W
Hot roof 70 °C 87.0% of rated power 400 W 396 W
03

Full specification

Parameter TSM-NEG9R.28 460W JAM54D41-455/LR Difference
Power and efficiency
Rated power 460 Wp 455 Wp Effectively the same
Module efficiency 23.00 % 22.80 % +0.20 pp for TSM-NEG9R.28 460W
Power density 230.2 Wp/m² 227.7 Wp/m² Effectively the same
Open-circuit voltage 53.80 V 40.50 V 13.30 V apart
Voltage at max power 45.40 V 33.33 V 12.07 V apart
Short-circuit current 10.81 A 14.42 A 3.61 A apart
Current at max power 10.14 A 13.65 A 3.51 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 21.0 kg 22.0 kg -1.0 kg for TSM-NEG9R.28 460W
Weight per kWp 45.7 kg/kWp 48.4 kg/kWp -2.7 kg/kWp for TSM-NEG9R.28 460W
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 144 108 36 cells apart
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#1,919 vs #2,714
TSM-NEG9R.28 460W leads by 795 places
Power density
#1,876 vs #2,888
TSM-NEG9R.28 460W leads by 1,012 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#805 vs #2,220
TSM-NEG9R.28 460W leads by 1,415 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,286 vs #7,813
TSM-NEG9R.28 460W leads by 527 places
05

More useful comparisons

Open the full database
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Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-470NED9R.28
6 differences, the largest is module efficiency
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Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-465NED9R.28
4 differences, the largest is weight
Same series, other bin
Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-NEG9R.28-460
The same specification on paper
Same series, other bin
Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-460NEG9R.28
2 differences, the largest is product warranty
Same series, other bin
Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-460 NEG9R.28
2 differences, the largest is product warranty
Same series, other bin
Trina Solar TSM-NEG9R.28 460W vs Trina Solar TSM-460NED9R.28
3 differences, the largest is weight
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-NEG9R.28 460W or JA Solar JAM54D41-455/LR?
According to our database: Trina Solar TSM-NEG9R.28 460 W has higher module efficiency (23.00% vs 22.80%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Trina Solar TSM-NEG9R.28 460W and JA Solar JAM54D41-455/LR?
Trina Solar TSM-NEG9R.28 460 W has a module efficiency of 23.00%, while JA Solar JAM54D41-455/LR is 22.80%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-NEG9R.28 460W use vs JA Solar JAM54D41-455/LR?
Trina Solar TSM-NEG9R.28 460 W uses TOPCon cells; JA Solar JAM54D41-455/LR 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 Trina Solar TSM-NEG9R.28 460W and JA Solar JAM54D41-455/LR?
Trina Solar TSM-NEG9R.28 460 W has a 30 years power warranty; JA Solar JAM54D41-455/LR 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.
Compare Trina Solar and JA Solar as manufacturers Portfolio, efficiency, cell technologies and warranty terms

Shop prices: See 227 Trina Solar offers · See 358 JA 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.