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DE09R-430 vs DE09R.08-420 15 of 19 identical Swap Change panels

Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R.08-420

Trina Solar TSM-DE09R-430
TSM-DE09R-430
430 Wp 21.50 % PERC
Open panel page Datasheet PDF
VS
Trina Solar TSM-DE09R.08-420
TSM-DE09R.08-420
420 Wp 21.00 % PERC
Open panel page Datasheet PDF
The verdict

DE09R-430 leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 15 of 19 comparable parameters are identical.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs
01

What actually differs

4 of 19 parameters
Parameter DE09R-430 DE09R.08-420 Difference
Module efficiency 21.50 % 21.00 % 0.50 pp more efficient
Product warranty 12 yrs 15 yrs 3 yrs longer
Power density 215.2 Wp/m² 210.2 Wp/m² 5.0 Wp/m² higher
Rated power 430 Wp 420 Wp 10 W more power
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 (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
DE09R-430
13,936 kWh
DE09R.08-420
13,612 kWh
Lifetime gap
324 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario DE09R-430 DE09R.08-420
Standard test conditions 25 °C 100.0% of rated power 430 W 420 W
Cool, bright day 40 °C 94.9% of rated power 408 W 399 W
Typical summer roof 55 °C 89.8% of rated power 386 W 377 W
Hot roof 70 °C 84.7% of rated power 364 W 356 W
03

Full specification

Parameter DE09R-430 DE09R.08-420 Difference
Power and efficiency
Rated power 430 Wp 420 Wp +10 W for DE09R-430
Module efficiency 21.50 % 21.00 % +0.50 pp for DE09R-430
Power density 215.2 Wp/m² 210.2 Wp/m² +5.0 Wp/m² for DE09R-430
Open-circuit voltage 50.30 V 50.10 V Effectively the same
Voltage at max power 42.30 V 42.00 V Effectively the same
Short-circuit current 10.64 A 10.58 A Effectively the same
Current at max power 10.17 A 10.01 A Effectively the same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 21.8 kg 21.8 kg Same
Weight per kWp 50.7 kg/kWp 51.9 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 15 yrs +3 yrs for DE09R.08-420
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#7,958 vs #9,758
DE09R-430 leads by 1,800 places
Power density
#7,816 vs #9,728
DE09R-430 leads by 1,912 places
Heat behaviour
#8,778 vs #8,778
Tied - the same position in the database
Weight
#4,114 vs #5,315
DE09R-430 leads by 1,201 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#10,985 vs #11,162
DE09R-430 leads by 177 places
05

More useful comparisons

Open the full database
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R-435
One difference: module efficiency
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R.08-435
2 differences, the largest is product warranty
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R.08-430
One difference: product warranty
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R-425
One difference: module efficiency
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R.08-425
2 differences, the largest is product warranty
Same series, other bin
Trina Solar TSM-DE09R-430 vs Trina Solar TSM-DE09R-420
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Trina Solar TSM-DE09R-430 or Trina Solar TSM-DE09R.08-420?
According to our database: Trina Solar TSM-DE09R-430 has higher module efficiency (21.50% vs 21.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Trina Solar TSM-DE09R-430 and Trina Solar TSM-DE09R.08-420?
Trina Solar TSM-DE09R-430 has a module efficiency of 21.50%, while Trina Solar TSM-DE09R.08-420 is 21.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Trina Solar TSM-DE09R-430 use vs Trina Solar TSM-DE09R.08-420?
Trina Solar TSM-DE09R-430 uses PERC cells; Trina Solar TSM-DE09R.08-420 uses PERC. 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-DE09R-430 and Trina Solar TSM-DE09R.08-420?
Trina Solar TSM-DE09R-430 has a 25 years power warranty; Trina Solar TSM-DE09R.08-420 has a 25 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.

Shop prices: See 241 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.