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NEG9R.28 450W vs 465NED9R.28 11 of 19 identical Swap Change panels

Trina Solar TSM-NEG9R.28 450W vs Trina Solar TSM-465NED9R.28

Trina Solar TSM-NEG9R.28 450W
TSM-NEG9R.28 450W
450 Wp 22.50 % TOPCon
Open panel page Datasheet PDF
VS
Trina Solar TSM-465NED9R.28
TSM-465NED9R.28
465 Wp 23.30 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

465NED9R.28 leads on the differences that matter

The largest is module efficiency: 0.80 pp more efficient. 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 NEG9R.28 450W 465NED9R.28 Difference
Module efficiency 22.50 % 23.30 % 0.80 pp more efficient
Weight 21.0 kg 27.0 kg 6.0 kg lighter
Weight per kWp 46.7 kg/kWp 58.1 kg/kWp 11.4 kg/kWp lighter
Power density 225.2 Wp/m² 232.7 Wp/m² 7.5 Wp/m² higher
Rated power 450 Wp 465 Wp 15 W more power
Bifacial No Yes No vs Yes
Open-circuit voltage 52.90 V 54.20 V 1.30 V apart
Voltage at max power 44.60 V 45.80 V 1.20 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
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.
NEG9R.28 450W
15,098 kWh
465NED9R.28
15,602 kWh
Lifetime gap
504 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario NEG9R.28 450W 465NED9R.28
Standard test conditions 25 °C 100.0% of rated power 450 W 465 W
Cool, bright day 40 °C 95.7% of rated power 430 W 445 W
Typical summer roof 55 °C 91.3% of rated power 411 W 425 W
Hot roof 70 °C 87.0% of rated power 391 W 404 W
03

Full specification

Parameter NEG9R.28 450W 465NED9R.28 Difference
Power and efficiency
Rated power 450 Wp 465 Wp +15 W for 465NED9R.28
Module efficiency 22.50 % 23.30 % +0.80 pp for 465NED9R.28
Power density 225.2 Wp/m² 232.7 Wp/m² +7.5 Wp/m² for 465NED9R.28
Open-circuit voltage 52.90 V 54.20 V 1.30 V apart
Voltage at max power 44.60 V 45.80 V 1.20 V apart
Short-circuit current 10.74 A 10.85 A Effectively the same
Current at max power 10.09 A 10.16 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 21.0 kg 27.0 kg -6.0 kg for NEG9R.28 450W
Weight per kWp 46.7 kg/kWp 58.1 kg/kWp -11.4 kg/kWp for NEG9R.28 450W
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 No Yes No vs Yes
04

Against the whole database

14,005 panels
Efficiency
#4,222 vs #1,017
465NED9R.28 leads by 3,205 places
Power density
#4,225 vs #1,115
465NED9R.28 leads by 3,110 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#1,258 vs #11,548
NEG9R.28 450W leads by 10,290 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,336 vs #6,954
465NED9R.28 leads by 1,382 places
05

More useful comparisons

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

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-NEG9R.28 450W or Trina Solar TSM-465NED9R.28?
According to our database: Trina Solar TSM-465NED9R.28 has higher module efficiency (23.30% vs 22.50%). 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 450W and Trina Solar TSM-465NED9R.28?
Trina Solar TSM-NEG9R.28 450 W has a module efficiency of 22.50%, while Trina Solar TSM-465NED9R.28 is 23.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-NEG9R.28 450W use vs Trina Solar TSM-465NED9R.28?
Trina Solar TSM-NEG9R.28 450 W uses TOPCon cells; Trina Solar TSM-465NED9R.28 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 450W and Trina Solar TSM-465NED9R.28?
Trina Solar TSM-NEG9R.28 450 W has a 30 years power warranty; Trina Solar TSM-465NED9R.28 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-NEG9R.28 450W and Trina Solar TSM-465NED9R.28 bifacial panels?
Trina Solar TSM-465NED9R.28 is bifacial (captures light from both faces); Trina Solar TSM-NEG9R.28 450 W is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

Shop prices: See 219 Trina 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.