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Trina Solar TSM-NEG19R.20-635
Trina Solar Brand review

TSM-NEG19R.20-635

635 Wp TOPCon
ComparePV verdict

Space saver, no clear weak spot

Rank 1,704 of 14,005
Compare panels Datasheet PDF
Power (Wp)
635
Strong · top 16%
Efficiency (%)
23.50
Strong · top 10%
Density (Wp/m²)
235.1
Strong · top 9%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
30.0
Strong · 2.7 kg below median
Warranty (yrs)
30
Typical · median 30 yrs

Trina Solar's Vertex N (TSM-NEG19R.20) series is designed for maximum energy return in real-world operating conditions, especially where stable production and predictable return on investment matter most. The key advantage lies in the N-type cells in TOPCon technology, which maintain their parameters better over time and are less sensitive to typical module aging mechanisms. In practice, this means a more consistent energy yield year after year and lower risk of disappointing results from the installation.

The adopted bifacial glass-glass construction allows for utilizing reflected light, helping to increase energy output without expanding the surface area. Furthermore, the low temperature sensitivity ensures efficient operation on scorching days, unlike many standard panels that lose part of their performance. Vertex N also features solutions enhancing performance under scattered light, making it ideal for less-than-ideal exposure conditions.

This is an excellent choice for commercial installations and PV farms, where higher yield from the same surface area, long-term durability, and controlled energy costs over a long horizon are crucial.

Ranking

1,086 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 22.80% Strong · top 10% 716
Power density 235.1 227.7 Strong · top 9% 741
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 47.2 53.1 Strong · top 12% 1,596
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Commercial, utility-scale and hot-climate.

Strengths
235.1 watts per square metre

Top 9% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 741st in the whole database.

23.50% module efficiency

Top 10% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 716th in the whole database.

47.2 kg per kWp

Top 12% of the TOPCon 600-650 W segment, against a median of 53.1.

Notes from the database
  • 23.5% module efficiency - 0.7pp better than the TOPCon 600-650W median of 22.8%
  • At 235.1 W/m² power density, this panel generates 7.4 W/m² more per unit area than TOPCon 600-650W median (227.7 W/m²)
  • At -0.29%/°C, hot weather performance is typical for TOPCon 600-650W panels
  • 30.0 kg weight - 2.7 kg lighter than TOPCon 600-650W median (32.7 kg), reducing installation effort
  • #716 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 635 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Strong Segment median 22.80%
Vmpp · Impp 42.30 V · 15.02 A Operating point at max power
Voc · Isc 50.50 V · 15.94 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2382×1134×30 mm · 2.70 m² of roof
Weight 30.0 kg Strong Strong · 2.7 kg below median
Cells 132 · TOPCon Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 555 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Trina Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 635 Wp appear here. The rest cover the whole series.

Performance Warranty Performance Warranty Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Trina Solar TSM-NEG19R.20-635 635 W 23.50% -0.290 30.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +1.7 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +45 W, cooler, +1.7 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +40 W, cooler, +1.5 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +1.5 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +35 W, cooler, +1.3 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +35 W, cooler, +1.3 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +1.3 pp
TEB-NEGA6ND.48-420 (Silver Grey, RAL9018) 420 W 15.50% -0.290 33.0 kg -215 W, -8.0 pp, -5 yr warranty
TEB-NEGA6ND.48-425 (Silver Grey, RAL9018) 425 W 15.70% -0.290 33.0 kg -210 W, -7.8 pp, -5 yr warranty
TEB-NEGA6ND.48-430 (Silver Grey, RAL9018) 430 W 15.90% -0.290 33.0 kg -205 W, -7.6 pp, -5 yr warranty
TEB-NEGA6ND.48-545 (Green, RAL6001) 545 W 20.20% -0.290 33.0 kg -90 W, -3.3 pp, -5 yr warranty
TEB-NEGA6ND.48-550 (Green, RAL6001) 550 W 20.30% -0.290 33.0 kg -85 W, -3.2 pp, -5 yr warranty
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +65 W, heavier, +1.5 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +60 W, heavier, +1.4 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +35 W, cooler, +1.3 pp

Found 1119 panels of the same or similar size to this one, within ±10 mm. See them here Found 1125 panels of the same or similar size to this one, within ±25 mm. See them here Found 1236 panels of the same or similar size to this one, within ±50 mm. See them here Found 1917 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is TOPCon technology used in Trina Vertex N panels and how does it differ from PERC?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology where an additional tunnel oxide layer reduces carrier recombination and boosts efficiency compared to older P-type PERC cells. N-type cells degrade more slowly, have a lower LID/LeTID coefficient, and retain power better over the years, resulting in more stable and predictable energy yield throughout the warranty period.
What is the maximum power output and efficiency of the Trina Vertex N TSM-NEG19R.20 panel?
The most powerful variant in this series reaches up to 635 Wp rated power at a module efficiency of around 23.5%. A higher single-panel power output means fewer modules are needed to reach a given system size, which lowers mounting structure, cabling, and installation labor costs - especially noticeable in commercial installations and utility-scale PV farms.
Is the Trina Vertex N TSM-NEG19R.20 a bifacial (dual-sided) panel?
No - the variant labeled TSM-NEG19R.20 generates energy only from the front side of the module. Trina Solar offers a separate bifacial version of this platform - TSM-NEG19RC.20 - with a glass-glass construction that also captures light reflected off the ground. Both versions share the same TOPCon cells but differ in construction and how they generate energy, so it's worth checking the exact model code before purchasing.
What warranty comes with the Trina Vertex N TSM-NEG19R.20 series?
Trina Solar backs the Vertex N series with a 12-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. This longer power warranty compared to older PERC generations reflects the better long-term stability of N-type TOPCon cells, translating into a lower annual degradation rate and greater confidence in long-term return on investment.
Do Vertex N panels perform well on hot days and at high temperatures?
Yes, Vertex N modules have a low power temperature coefficient, typical of TOPCon technology. This means a smaller performance drop when the panel surface heats up significantly in summer compared to standard PERC modules. In practice, this results in more stable energy production on hot, sunny days, when many conventional panels lose part of their output.
What installations is the Trina Vertex N TSM-NEG19R.20 series best suited for - rooftops or PV farms?
Due to the module's large format (132 cells, up to 635 Wp) and a design optimized for low string voltage and high string power, the Vertex N series is intended primarily for commercial, industrial, and utility-scale PV farm installations, where maximizing yield per surface area and reducing BoS costs matter most. For residential sloped roofs, Trina offers lighter, smaller-format series such as Vertex S.
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