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465NED9R.28 vs NEG9R.28 455W 13 of 19 identical Swap Change panels

Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-NEG9R.28 455W

Trina Solar TSM-465NED9R.28
TSM-465NED9R.28
465 Wp 23.30 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Trina Solar TSM-NEG9R.28 455W
TSM-NEG9R.28 455W
455 Wp 22.80 % TOPCon
Open panel page Datasheet PDF
The verdict

6 differences, and they point both ways

The largest is module efficiency: 0.50 pp more efficient. 13 of 19 comparable parameters are identical.

See all 6 differences
How alike are they
13 of 19 comparable
parameters are identical
identical differs
01

What actually differs

6 of 19 parameters
Parameter 465NED9R.28 NEG9R.28 455W Difference
Module efficiency 23.30 % 22.80 % 0.50 pp more efficient
Weight 27.0 kg 21.0 kg 6.0 kg lighter
Weight per kWp 58.1 kg/kWp 46.2 kg/kWp 11.9 kg/kWp lighter
Power density 232.7 Wp/m² 227.7 Wp/m² 5.0 Wp/m² higher
Rated power 465 Wp 455 Wp 10 W more power
Bifacial Yes No Yes vs No
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.
465NED9R.28
15,602 kWh
NEG9R.28 455W
15,266 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 465NED9R.28 NEG9R.28 455W
Standard test conditions 25 °C 100.0% of rated power 465 W 455 W
Cool, bright day 40 °C 95.7% of rated power 445 W 435 W
Typical summer roof 55 °C 91.3% of rated power 425 W 415 W
Hot roof 70 °C 87.0% of rated power 404 W 396 W
03

Full specification

Parameter 465NED9R.28 NEG9R.28 455W Difference
Power and efficiency
Rated power 465 Wp 455 Wp +10 W for 465NED9R.28
Module efficiency 23.30 % 22.80 % +0.50 pp for 465NED9R.28
Power density 232.7 Wp/m² 227.7 Wp/m² +5.0 Wp/m² for 465NED9R.28
Open-circuit voltage 54.20 V 53.40 V Effectively the same
Voltage at max power 45.80 V 45.00 V Effectively the same
Short-circuit current 10.85 A 10.77 A Effectively the same
Current at max power 10.16 A 10.11 A Effectively the same
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 27.0 kg 21.0 kg -6.0 kg for NEG9R.28 455W
Weight per kWp 58.1 kg/kWp 46.2 kg/kWp -11.9 kg/kWp for NEG9R.28 455W
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 144 144 Same
Bifacial Yes No Yes vs No
04

Against the whole database

14,005 panels
Efficiency
#1,017 vs #2,714
465NED9R.28 leads by 1,697 places
Power density
#1,115 vs #2,888
465NED9R.28 leads by 1,773 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#11,548 vs #1,016
NEG9R.28 455W leads by 10,532 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,954 vs #7,730
465NED9R.28 leads by 776 places
05

More useful comparisons

Open the full database
Same series, other bin
Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-470NED9R.28
One difference: module efficiency
Same series, other bin
Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-460NED9R.28
One difference: module efficiency
Same series, other bin
Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-455NED9R.28
3 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-450NED9R.28
5 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-465NED9R.28 vs Trina Solar TSM-445NED9R.28
6 differences, the largest is module efficiency
Same series, other bin
Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-NEG9R.28-460
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-465NED9R.28 or Trina Solar TSM-NEG9R.28 455W?
According to our database: Trina Solar TSM-465NED9R.28 has higher module efficiency (23.30% 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-465NED9R.28 and Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-465NED9R.28 has a module efficiency of 23.30%, while Trina Solar TSM-NEG9R.28 455 W 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-465NED9R.28 use vs Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-465NED9R.28 uses TOPCon cells; Trina Solar TSM-NEG9R.28 455 W 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-465NED9R.28 and Trina Solar TSM-NEG9R.28 455W?
Trina Solar TSM-465NED9R.28 has a 30 years power warranty; Trina Solar TSM-NEG9R.28 455 W 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 Trina Solar TSM-465NED9R.28 and Trina Solar TSM-NEG9R.28 455W bifacial panels?
Trina Solar TSM-465NED9R.28 is bifacial (captures light from both faces); Trina Solar TSM-NEG9R.28 455 W is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

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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.