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TPL Solar Brand review

TPL320M-60

320 Wp PERC
ComparePV verdict

Warranty pick, no clear weak spot

Rank 12,903 of 14,129
Compare panels Datasheet PDF
Power (Wp)
320
Typical for its class
Efficiency (%)
19.65
Strong · top 24%
Density (Wp/m²)
196.7
Strong · top 22%
Temp (%/°C)
-0.360
Typical · median -0.360
Weight (kg)
18.5
Typical · median 19.0 kg
Warranty (yrs)
30
Strong · top 16%

The TPL M-60 series focuses on delivering high power density in a 60-cell format, making it one of the most versatile solutions for modern photovoltaics. Thanks to the use of high-purity silicon technology, these modules achieve excellent energy conversion results even in low-light conditions. A key differentiator is the anti-reflective tempered glass coating, which drastically reduces losses resulting from sunlight reflection, increasing real energy yield throughout the day. For Polish installers and investors, increased mechanical resistance to snow and wind loads is crucial, guaranteeing the structural safety of the system in difficult climatic conditions. The TPL M-60 series effectively solves the problem of limited roof space by offering an optimal power-to-size ratio. It is a solution dedicated primarily to the residential sector and small businesses, where high resistance to the PID effect and stability of electrical parameters over a long-term horizon are essential. What sets it apart from the competition is precise quality control and the use of materials that minimize cell degradation, ensuring a faster return on investment and operational peace of mind for decades.

Ranking

291 panels in the segment PERC 300-350 W
Metric This panel Median Position in segment Overall rank
Module efficiency 19.65% 19.00% Strong · top 24% 12,662
Power density 196.7 190.0 Strong · top 22% 12,614
Temperature coefficient -0.360 -0.360 Typical 12,425
Weight per kWp 57.8 60.3 Typical 11,515
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

3 positive · 0 caution
Best for

Residential, commercial and cold-climate.

Strengths
30 year performance warranty

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

196.7 watts per square metre

Top 22% of the PERC 300-350 W segment, against a median of 190.0.

19.65% module efficiency

Top 24% of the PERC 300-350 W segment, against a median of 19.00%.

Notes from the database
  • At 19.6% efficiency, this panel is on par with typical PERC 0-400W modules
  • At 196.7 W/m² power density, roof space requirements are typical for PERC 0-400W panels
  • At -0.36%/°C, hot weather performance is typical for PERC 0-400W panels
  • 18.5 kg weight - 2.0 kg lighter than PERC 0-400W median (20.5 kg), reducing installation effort
  • Ranked #12662 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 320 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 19.65 % Strong Segment median 19.00%
Vmpp · Impp 33.48 V · 9.58 A Operating point at max power
Voc · Isc 40.83 V · 10.05 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1640×992×35 mm · 1.63 m² of roof
Weight 18.5 kg Typical Typical · median 19.0 kg
Cells 60 · 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-60 320 W 19.65% -0.360 18.5 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +3.7 pp
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +3.7 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg Cooler, lighter, +3.7 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, +3.5 pp, -5 yr warranty
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, +3.5 pp, -5 yr warranty
ZEUS 3.2 285WP FullBlack 285 W 23.14% -0.260 15.6 kg -35 W, cooler, +3.5 pp
GKA182M285W 285 W 23.00% - 10.8 kg -35 W, lighter, +3.4 pp
GKA182M270W 270 W 23.00% - 10.8 kg -50 W, lighter, +3.4 pp
GKA182M300W 300 W 23.00% - 16.2 kg -20 W, lighter, +3.4 pp
TPL250M-60 250 W 15.36% -0.360 18.5 kg -70 W, -4.3 pp
TPL255M-60 255 W 15.67% -0.360 18.5 kg -65 W, -4.0 pp
TPL260P-60 260 W 15.98% -0.360 18.5 kg -60 W, -3.7 pp
TPL265P-60 265 W 16.29% -0.360 18.5 kg -55 W, -3.4 pp
TPL270P-60 270 W 16.60% -0.360 18.5 kg -50 W, -3.0 pp
TPL275M-60 275 W 17.30% -0.360 18.5 kg -45 W, -2.3 pp
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg Cooler, +3.0 pp, +10 yr warranty

Found 191 panels of the same or similar size to this one, within ±10 mm. See them here Found 227 panels of the same or similar size to this one, within ±25 mm. See them here Found 394 panels of the same or similar size to this one, within ±50 mm. See them here Found 487 panels of the same or similar size to this one, within ±100 mm. See them here

About the TPL M-60 Series series

6 answered

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

Is the TPL M-60 series still available for purchase?
No, the TPL M-60 series has been discontinued and is no longer manufactured by TPL Solar. Distributors may still hold remaining stock, but availability is limited. If expanding an existing installation built with these modules, check remaining inventory with a local supplier first to ensure visual and electrical compatibility with panels already installed.
What warranty comes with TPL M-60 panels and what does it cover?
TPL M-60 panels come with a 12-year product warranty covering material and manufacturing defects, plus a 30-year power warranty guaranteeing a defined performance level over time. Since the series is discontinued, confirm with the seller whether the Pakistan-based manufacturer's warranty service is still active in your region before purchasing.
How does PERC technology in the TPL M-60 panels differ from standard monocrystalline cells?
PERC technology used in the TPL M-60 adds a passivation layer on the rear of the cell that reflects unused photons back into the silicon, increasing light absorption. This gives the panels higher energy conversion efficiency, especially in low-light conditions, compared to standard monocrystalline cells without this layer, while keeping production costs similar.
Are the 320W TPL M-60 panels suitable for a small residential rooftop installation?
Yes, the 320 Wp maximum power output in a 60-cell format makes the M-60 series well suited for rooftops with limited surface area, typical of single-family homes. The compact dimensions combined with high power density allow for greater total system capacity with fewer panels, which matters on irregular roof shapes or limited mounting space.
Are TPL M-60 panels resistant to snow loads in cold climates?
Yes, the M-60 series is engineered with enhanced mechanical resistance to snow and wind loads, relevant for regions with heavy winter conditions. The reinforced frame and tempered glass reduce the risk of structural damage during heavy snowfall, though it's advisable to also check roof pitch and local load-bearing codes when planning the installation.
Why aren't TPL M-60 panels bifacial, and is that a drawback?
TPL M-60 panels are monofacial modules, meaning they generate power only from light hitting the front surface. This isn't a drawback but a deliberate design choice for the residential segment, where sloped-roof mounting prevents any benefit from rear-side reflected light. Bifacial designs make more sense for ground-mount or flat-roof installations with reflective surroundings.
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