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430R-PL vs 420R-PL 14 of 17 identical Swap Change panels

Solaria PowerXT 430R-PL vs Solaria PowerXT 420R-PL

Solaria
PowerXT 430R-PL
430 Wp 20.40 %
Open panel page Datasheet PDF
VS
Solaria
PowerXT 420R-PL
420 Wp 19.90 %
Open panel page Datasheet PDF
The verdict

430R-PL leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 14 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them.

See all 3 differences
How alike are they
14 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

3 of 17 parameters
Parameter 430R-PL 420R-PL Difference
Module efficiency 20.40 % 19.90 % 0.50 pp more efficient
Power density 203.6 Wp/m² 198.9 Wp/m² 4.7 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 (-0.390 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
430R-PL
14,093 kWh
420R-PL
13,765 kWh
Lifetime gap
328 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 430R-PL 420R-PL
Standard test conditions 25 °C 100.0% of rated power 430 W 420 W
Cool, bright day 40 °C 94.2% of rated power 405 W 395 W
Typical summer roof 55 °C 88.3% of rated power 380 W 371 W
Hot roof 70 °C 82.5% of rated power 355 W 346 W
03

Full specification

Parameter 430R-PL 420R-PL Difference
Power and efficiency
Rated power 430 Wp 420 Wp +10 W for 430R-PL
Module efficiency 20.40 % 19.90 % +0.50 pp for 430R-PL
Power density 203.6 Wp/m² 198.9 Wp/m² +4.7 Wp/m² for 430R-PL
Open-circuit voltage 45.70 V 45.70 V Same
Voltage at max power 37.90 V 37.90 V Same
Short-circuit current 11.87 A 11.60 A Effectively the same
Current at max power 11.35 A 11.09 A Effectively the same
Temperature
Temperature coefficient -0.390 %/°C -0.390 %/°C Same
Mechanical
Dimensions 1957x1079x35 mm 1957x1079x35 mm Same
Module area 2.112 m² 2.112 m² Same
Weight 21.7 kg 21.7 kg Same
Weight per kWp 50.5 kg/kWp 51.7 kg/kWp Effectively the same
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.48 %/yr 0.48 %/yr Same
Technology
Cell technology - - Neither datasheet publishes this
Cell type Monocrystalline Monocrystalline Same
Cell count - - Neither datasheet publishes this
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#11,598 vs #12,331
430R-PL leads by 733 places
Power density
#11,673 vs #12,344
430R-PL leads by 671 places
Heat behaviour
#13,579 vs #13,579
Tied - the same position in the database
Weight
#3,841 vs #5,023
430R-PL leads by 1,182 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#8,404 vs #9,324
430R-PL leads by 920 places
05

More useful comparisons

Open the full database
Same series, other bin
Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-430C-PD
10 differences, the largest is performance warranty
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Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-420C-BD
13 differences, the largest is module efficiency
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Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-420C-PD
11 differences, the largest is module efficiency
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Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-410C-BD
12 differences, the largest is module efficiency
Same series, other bin
Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerX-400R
11 differences, the largest is performance warranty
Same series, other bin
Solaria
Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-400R-PM
9 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Solaria PowerXT 430R-PL or Solaria PowerXT 420R-PL?
According to our database: Solaria PowerXT 430R-PL has higher module efficiency (20.40% vs 19.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solaria PowerXT 430R-PL and Solaria PowerXT 420R-PL?
Solaria PowerXT 430R-PL has a module efficiency of 20.40%, while Solaria PowerXT 420R-PL is 19.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solaria PowerXT 430R-PL use vs Solaria PowerXT 420R-PL?
Solaria PowerXT 430R-PL uses Monocrystalline cells; Solaria PowerXT 420R-PL uses Monocrystalline. 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 Solaria PowerXT 430R-PL and Solaria PowerXT 420R-PL?
Solaria PowerXT 430R-PL has a 30 years power warranty; Solaria PowerXT 420R-PL 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.