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375 vs 370 18 of 19 identical Swap Change panels

TN Solar TN5-54H-375 vs TN Solar TN5-54H-370

TN Solar
TN5-54H-375
375 Wp 19.20 % TOPCon
Open panel page Datasheet PDF
VS
TN Solar
TN5-54H-370
370 Wp 18.97 % TOPCon
Open panel page Datasheet PDF
The verdict

375 leads on the differences that matter

The largest is module efficiency: 0.23 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 375 370 Difference
Module efficiency 19.20 % 18.97 % 0.23 pp more efficient
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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
375
12,582 kWh
370
12,414 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 375 370
Standard test conditions 25 °C 100.0% of rated power 375 W 370 W
Cool, bright day 40 °C 95.5% of rated power 358 W 353 W
Typical summer roof 55 °C 91.0% of rated power 341 W 337 W
Hot roof 70 °C 86.5% of rated power 324 W 320 W
03

Full specification

Parameter 375 370 Difference
Power and efficiency
Rated power 375 Wp 370 Wp Effectively the same
Module efficiency 19.20 % 18.97 % +0.23 pp for 375
Power density 192.0 Wp/m² 189.5 Wp/m² Effectively the same
Open-circuit voltage 38.66 V 38.58 V Effectively the same
Voltage at max power 32.44 V 32.41 V Effectively the same
Short-circuit current 12.07 A 11.95 A Effectively the same
Current at max power 11.56 A 11.42 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 1722x1134x30 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 21.0 kg 21.0 kg Same
Weight per kWp 56.0 kg/kWp 56.8 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 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 108 108 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#12,855 vs #12,976
375 leads by 121 places
Power density
#12,844 vs #12,968
375 leads by 124 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#10,317 vs #10,847
375 leads by 530 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#11,458 vs #11,685
375 leads by 227 places
05

More useful comparisons

Open the full database
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TN Solar TN5-54H-375 vs TN Solar TN5-54H-380
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TN Solar TN5-54H-375 vs TN Solar SE6-66HBD-710
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TN Solar TN5-54H-375 vs TN Solar SE6-66HBD-705
14 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: TN Solar TN5-54H-375 or TN Solar TN5-54H-370?
According to our database: TN Solar TN5-54H-375 has higher module efficiency (19.20% vs 18.97%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of TN Solar TN5-54H-375 and TN Solar TN5-54H-370?
TN Solar TN5-54H-375 has a module efficiency of 19.20%, while TN Solar TN5-54H-370 is 18.97%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does TN Solar TN5-54H-375 use vs TN Solar TN5-54H-370?
TN Solar TN5-54H-375 uses TOPCon cells; TN Solar TN5-54H-370 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 TN Solar TN5-54H-375 and TN Solar TN5-54H-370?
TN Solar TN5-54H-375 has a 30 years power warranty; TN Solar TN5-54H-370 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.

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.