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Trina Solar TSM-DE19-550
Trina Solar Brand review

TSM-DE19-550

550 Wp PERC
ComparePV verdict

Middle of its segment, short guarantee

Rank 8,437 of 14,005
Compare panels Datasheet PDF
Power (Wp)
550
Weak · bottom 15%
Efficiency (%)
21.00
Weak · bottom 25%
Density (Wp/m²)
210.5
Typical · median 212.9
Temp (%/°C)
-0.340
Typical · median -0.350
Weight (kg)
28.3
Typical · median 30.8 kg
Warranty (yrs)
25
Weak · bottom 24%

Trina Solar's Vertex TSM-DE19 series is designed for installations where maximizing yield per square meter of structure and achieving a rapid return on investment are key priorities. These modules utilize large-format monocrystalline PERC cells and multi-busbar technology, which enhance current collection and enable more stable performance under suboptimal sunlight conditions and less favorable angles of incidence. The application of high-density interconnect and precise cutting methods minimizes the risk of micro-cracks, thereby preventing power degradation over the long term. In practice, this translates to a lower energy cost over time and reduced susceptibility to typical operational issues such as hot spots or gradual degradation.

This makes it an excellent choice for PV farms, large commercial rooftops, and projects where lower BOS costs and easier project optimization due to the module's high power are priorities. Against the competition, the Vertex TSM-DE19 stands out with its refined combination of solutions that increase yield and reliability, without compromising on longevity.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.00% 21.29% Weak · bottom 25% 9,758
Power density 210.5 212.9 Typical 9,622
Temperature coefficient -0.340 -0.350 Typical 8,778
Weight per kWp 51.5 52.7 Typical 4,829
Performance warranty 25 yrs 27 yrs Weak · bottom 24% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 2 caution
Best for

Commercial, utility-scale and shaded-installations.

Not ideal for

Owners who want a long output guarantee and tight roof space.

Watch-outs
25 year performance warranty

Bottom 24% of the PERC 550-600 W segment, against a median of 27 yrs.

21.00% module efficiency

Bottom 25% of the PERC 550-600 W segment, against a median of 21.29%.

Notes from the database
  • Efficiency of 21.0% matches the PERC 550-600W median
  • Power density of 210.5 W/m² matches the PERC 550-600W median
  • Temperature coefficient of -0.34%/°C matches the PERC 550-600W median
  • 28.3 kg weight - 2.5 kg lighter than PERC 550-600W median (30.8 kg), reducing installation effort
  • Ranked #9758 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 550 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.00 % Weak Segment median 21.29%
Vmpp · Impp 31.60 V · 17.40 A Operating point at max power
Voc · Isc 37.90 V · 18.52 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1096×30 mm · 2.61 m² of roof
Weight 28.3 kg Typical Typical · median 30.8 kg
Cells 110 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 24% · median 27 yrs
End-of-warranty output 84.8 % Equals 451 W guaranteed
Degradation 2.00 → 0.55 % First year, then annual

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
-0.340 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Trina Solar TSM-DE19-550 550 W 21.00% -0.340 28.3 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, +4.0 pp, +5 yr warranty
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, +3.8 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, +3.7 pp, +5 yr warranty
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, +3.6 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg -50 W, cooler, +3.5 pp
TSM-DE19-540 540 W 20.70% -0.340 28.3 kg -10 W, -0.3 pp
TSM-DE19-545 545 W 20.90% -0.340 28.3 kg Very close match
TSM-DE19-555 555 W 21.20% -0.340 28.3 kg Very close match
TSM-DE19-560 560 W 21.40% -0.340 28.3 kg +10 W, +0.4 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +130 W, cooler, +4.2 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +125 W, cooler, +4.0 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +150 W, cooler, +4.0 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +145 W, cooler, +3.9 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +120 W, cooler, +3.8 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +120 W, cooler, +3.8 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +120 W, cooler, +3.8 pp

Found 72 panels of the same or similar size to this one, within ±10 mm. See them here Found 72 panels of the same or similar size to this one, within ±25 mm. See them here Found 1196 panels of the same or similar size to this one, within ±50 mm. See them here Found 1892 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Are Trina Vertex TSM-DE19 panels still available for purchase?
The TSM-DE19 series has been discontinued from current production by Trina Solar and replaced by the newer Vertex S+ lineup based on TOPCon technology. New units may still be found as remaining distributor stock, while the manufacturer's warranty support stays active for the full warranty period. Before buying, confirm the production date with the seller and check the availability of replacement modules in case of a warranty claim.
What warranty comes with Trina Vertex TSM-DE19 panels?
The manufacturer provides a 12-year product warranty and a 25-year linear power warranty, guaranteeing at least 84.8% of the initial power output at the end of that period. This is a standard warranty structure for tier-1 PERC modules of this class and lets investors reliably forecast energy yield over the entire lifetime of the installation.
How does the TSM-DE19 differ from the newer Vertex S+ (TOPCon) series?
The TSM-DE19 uses large-format monocrystalline PERC cells rated up to 560 Wp, while the newer Vertex S+ series is built on N-type TOPCon technology, offering higher efficiency and lower annual power degradation. The TSM-DE19 remains a solid, proven choice for large PV farms and commercial roofs, but buyers looking for maximum efficiency should consider Trina's current product lineup.
Do Trina Vertex TSM-DE19 panels perform well in cold temperatures?
Yes. The power temperature coefficient is -0.34%/°C, meaning that in cold conditions the panel generates output close to its rated value, and sometimes slightly higher than at standard test conditions (25°C). The modules perform well in temperate and colder climates, where cell overheating losses common in hot climates during summer are less of an issue.
Are TSM-DE19 (560 Wp) panels suitable for large commercial roofs or utility-scale PV farms?
Yes, this is one of the primary use cases for this series. The high single-module power output (up to 560 Wp) and large format (2384x1096 mm, weight approx. 28.3 kg) reduce the number of modules, cabling, and mounting structure elements needed per kWp, lowering BOS costs. Due to the weight and dimensions, plan for appropriate transport logistics and a reinforced mounting structure, especially on roofs with limited load capacity.
What does the multi-busbar technology in Trina Vertex TSM-DE19 panels provide?
Multi-busbar technology increases the number of current-collection paths on the cell, reducing resistive losses and improving module performance under low irradiance or unfavorable angles of incidence. Combined with precise cell cutting, it also lowers the risk of microcracks, resulting in more stable energy yield over the long-term operation of the installation.
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