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TPL Solar Brand review

TPL320M-72

320 Wp PERC
ComparePV verdict

Warranty pick, modest efficiency

Rank 13,462 of 14,129
Compare panels Datasheet PDF
Power (Wp)
320
Typical for its class
Efficiency (%)
16.54
Weak · bottom 11%
Density (Wp/m²)
165.4
Weak · bottom 11%
Temp (%/°C)
-0.360
Typical · median -0.360
Weight (kg)
23.0
Weak · 4.0 kg above median
Warranty (yrs)
30
Strong · top 16%

TPL Solar panels from the TPLM-72 series are an advanced solution designed to maximize yields in demanding commercial and industrial installations. The use of large-area monocrystalline cells allows for achieving high efficiency while maintaining the stability of electrical parameters in difficult weather conditions. The 72-cell design makes these modules an ideal choice for investors seeking to optimize installation costs on photovoltaic farms and large hall roofs. This series stands out for its high resistance to the PID effect, which directly translates into a longer system lifespan and minimization of energy losses over time. Thanks to the use of modern passivation technologies, TPLM-72 panels guarantee a better temperature coefficient, allowing for efficient operation even on hot days. What sets them apart from the competition is the exceptional frame rigidity and precise fit of components, which eliminates the risk of micro-cracks during transport and installation. By choosing this series, the user gains industrial-scale reliability and a product that effectively shortens the return on investment time thanks to high power density. It is a solid foundation for any renewable energy project where reliability and predictability of power production over decades matter.

Ranking

291 panels in the segment PERC 300-350 W
Metric This panel Median Position in segment Overall rank
Module efficiency 16.54% 19.00% Weak · bottom 11% 13,682
Power density 165.4 190.0 Weak · bottom 11% 13,674
Temperature coefficient -0.360 -0.360 Typical 12,425
Weight per kWp 71.9 60.3 Weak · bottom 12% 13,610
Performance warranty 30 yrs 25 yrs Strong · top 16% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 3 caution
Best for

Commercial and hot-climate.

Not ideal for

Tight roof space, roofs where every square metre has to count and weight-limited structures.

Strengths
30 year performance warranty

Top 16% of the PERC 300-350 W segment, against a median of 25 yrs.

Watch-outs
16.54% module efficiency

Bottom 11% of the PERC 300-350 W segment, against a median of 19.00%.

165.4 watts per square metre

Bottom 11% of the PERC 300-350 W segment, against a median of 190.0.

71.9 kg per kWp

Bottom 12% of the PERC 300-350 W segment, against a median of 60.3.

Notes from the database
  • Efficiency of 16.5% is 2.9pp below the PERC 0-400W median (19.4%)
  • 165.4 W/m² power density is 28.8 W/m² below PERC 0-400W median (194.2 W/m²) - requires larger installation area
  • Temperature coefficient of -0.36%/°C matches the PERC 0-400W median
  • Weight of 23.0 kg is 2.5 kg above PERC 0-400W median (20.5 kg) - verify structural support
  • #13682 for efficiency, #12425 for temperature performance out of 14129 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 320 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 16.54 % Weak Segment median 19.00%
Vmpp · Impp 38.89 V · 8.23 A Operating point at max power
Voc · Isc 45.55 V · 8.72 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1950×992×40 mm · 1.93 m² of roof
Weight 23.0 kg Weak Weak · 4.0 kg above median
Cells 72 · PERC Monocrystalline
Coefficient Pmax -0.360 %/°C Typical median -0.360 of its segment
Coefficient Voc · Isc -0.360 · 0.060 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Strong top 16% · median 25 yrs
End-of-warranty output 80.7 % Equals 258 W guaranteed
Degradation 2.50 → 0.58 % 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
-0.360 %/°C against a segment median of -0.360
-

Alternatives

All TPL Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
TPL Solar TPL320M-72 320 W 16.54% -0.360 23.0 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +6.8 pp
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +6.8 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg Cooler, lighter, +6.8 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +6.6 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +6.6 pp
ZEUS 3.2 285WP FullBlack 285 W 23.14% -0.260 15.6 kg Cooler, lighter, +6.6 pp
GKA182M285W 285 W 23.00% - 10.8 kg -35 W, lighter, +6.5 pp
GKA182M270W 270 W 23.00% - 10.8 kg -50 W, lighter, +6.5 pp
GKA182M300W 300 W 23.00% - 16.2 kg -20 W, lighter, +6.5 pp
TPL300P-72 300 W 15.51% -0.360 23.0 kg -20 W, -1.0 pp
TPL305M-72 305 W 15.78% -0.360 23.0 kg -15 W, -0.8 pp
TPL310M-72 310 W 16.03% -0.360 23.0 kg -10 W, -0.5 pp
TPL315M-72 315 W 16.28% -0.360 23.0 kg -0.3 pp
TPL315P -72 315 W 16.28% -0.360 23.0 kg -0.3 pp
SPR-MAX7-475 475 W 24.00% -0.270 21.1 kg +155 W, +7.5 pp, +10 yr warranty
SPR-MAX7-470 470 W 23.70% -0.270 21.1 kg +150 W, +7.2 pp, +10 yr warranty

Found 148 panels of the same or similar size to this one, within ±10 mm. See them here Found 167 panels of the same or similar size to this one, within ±25 mm. See them here Found 366 panels of the same or similar size to this one, within ±50 mm. See them here Found 585 panels of the same or similar size to this one, within ±100 mm. See them here

About the TPLM-72 Series series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What is the power output of TPL Solar TPLM-72 panels and what installations are they suited for?
The TPLM-72 series reaches up to 320 Wp. Built on a 72-cell monocrystalline PERC layout, these modules are designed mainly for commercial and industrial installations - solar farms and large warehouse rooftops - where minimizing installation cost per watt over large areas is the priority.
What warranty comes with TPLM-72 panels, and how does it compare to tier 1 manufacturers?
TPL Solar provides a 12-year product warranty and a 30-year power output warranty, which is a standard coverage level for this module class. However, TPL Solar is not listed as a tier 1 manufacturer, which is worth considering when evaluating the manufacturer's long-term financial stability for future warranty claims.
What is PERC technology in TPLM-72 panels, and does it improve efficiency?
PERC (Passivated Emitter and Rear Cell) adds a passivation layer on the back of the cell that reflects unabsorbed photons back into the silicon structure. This gives TPLM-72 panels higher conversion efficiency and a better temperature coefficient than standard modules, resulting in more stable power output on hot days.
Are TPLM-72 panels resistant to PID, and what does that mean in practice?
Yes, the TPLM-72 series offers high resistance to PID (Potential Induced Degradation), the power loss caused by voltage differences between the cell and the frame. In practice, this means lower energy losses over time and more predictable power output throughout the entire 30-year power warranty period.
Are TPLM-72 panels bifacial?
No, the TPLM-72 series uses a standard monofacial construction rather than bifacial technology. This means the modules generate energy only from the front surface, which is typical for large rooftop and ground-mount installations where bifacial gains don't always justify the added cost.
Where is TPL Solar based, and should that factor into a purchase decision?
TPL Solar is headquartered in Pakistan. When choosing panels from a manufacturer outside the tier 1 category, it's worth checking the local distributor and warranty servicing terms in your country, since claims can take longer to resolve through longer supply chains compared to globally established brands with extensive support networks.
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