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TPL Solar Brand review

TPL225P-54

225 Wp PERC
ComparePV verdict

Warranty pick, modest efficiency

Rank 13,828 of 14,129
Compare panels Datasheet PDF
Power (Wp)
225
Strong · top 23%
Efficiency (%)
15.33
Weak · bottom 10%
Density (Wp/m²)
153.3
Weak · bottom 10%
Temp (%/°C)
-0.360
Typical · median -0.370
Weight (kg)
16.8
Weak · 1.8 kg above median
Warranty (yrs)
30
Strong · top 23%

The TPL P-54 series of photovoltaic panels focuses on maximizing yields from limited roof space, utilizing modern half-cell architecture. Thanks to the use of Half-Cut technology, these modules are characterized by significantly lower internal resistance, which directly translates into lower energy losses and better performance in partial shading conditions. The design based on 54 cells makes the panels lighter and easier to install, representing an ideal solution for demanding prosumer installations. A key differentiator of the series is its high resistance to PID degradation, which guarantees the stability of electrical parameters over decades of operation. The use of Multi-Busbar interconnections shortens the current flow path, reducing the risk of micro-cracks and increasing the module's mechanical resistance to extreme weather events. TPL P-54 addresses the issue of declining efficiency at high temperatures, offering a favorable temperature coefficient that allows for intensive power production even on hot summer days. It is a proposition for investors looking for a compromise between innovative technology and durability that exceeds market standards in the single-family housing segment. A solid frame and reinforced tempered glass ensure safety of use in the Polish climate, making this series a competitive alternative to more expensive premium systems.

Ranking

57 panels in the segment PERC 200-250 W
Metric This panel Median Position in segment Overall rank
Module efficiency 15.33% 16.80% Weak · bottom 10% 13,873
Power density 153.3 168.0 Weak · bottom 10% 13,856
Temperature coefficient -0.360 -0.370 Typical 12,425
Weight per kWp 74.7 62.5 Weak · bottom 15% 13,720
Performance warranty 30 yrs 25 yrs Strong · top 23% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 3 caution
Best for

Owners who value a long output guarantee.

Not ideal for

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

Strengths
30 year performance warranty

Top 23% of the PERC 200-250 W segment, against a median of 25 yrs.

Watch-outs
15.33% module efficiency

Bottom 10% of the PERC 200-250 W segment, against a median of 16.80%. Ranked 13,873rd in the whole database.

153.3 watts per square metre

Bottom 10% of the PERC 200-250 W segment, against a median of 168.0. Ranked 13,856th in the whole database.

74.7 kg per kWp

Bottom 15% of the PERC 200-250 W segment, against a median of 62.5.

Notes from the database
  • At 15.3% efficiency, this panel is 4.1pp below the PERC 0-400W median of 19.4%
  • 153.2 W/m² power density is 40.9 W/m² below PERC 0-400W median (194.2 W/m²) - requires larger installation area
  • At -0.36%/°C, hot weather performance is typical for PERC 0-400W panels
  • At 16.8 kg, this panel is 3.7 kg lighter than PERC 0-400W median (20.5 kg) - easier handling during installation
  • In the top 98% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 225 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 15.33 % Weak Segment median 16.80%
Vmpp · Impp 28.07 V · 8.02 A Operating point at max power
Voc · Isc 34.32 V · 8.74 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1480×992×35 mm · 1.47 m² of roof
Weight 16.8 kg Weak Weak · 1.8 kg above median
Cells 54 · PERC Polycrystalline
Coefficient Pmax -0.360 %/°C Typical median -0.370 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 23% · median 25 yrs
End-of-warranty output 80.7 % Equals 182 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 -0.370
-

Alternatives

All TPL Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
TPL Solar TPL225P-54 225 W 15.33% -0.360 16.8 kg You are here
RS7E-205P 205 W 18.77% -0.390 12.0 kg Hotter, lighter, +3.4 pp
RS7E-200P 200 W 18.32% -0.390 12.0 kg Hotter, lighter, +3.0 pp
MYP3054-270 270 W 18.00% -0.370 16.9 kg +45 W, +2.7 pp, -5 yr warranty
MYP3054-270 270 W 18.00% -0.370 16.9 kg +45 W, +2.7 pp, -5 yr warranty
RS7E-195P 195 W 17.86% -0.390 12.0 kg Hotter, lighter, +2.5 pp
MYP3054-265 265 W 17.67% -0.370 16.9 kg +40 W, +2.3 pp, -5 yr warranty
MYP3054-265 265 W 17.67% -0.370 16.9 kg +40 W, +2.3 pp, -5 yr warranty
MYP3036-180 180 W 17.65% -0.370 11.3 kg Lighter, +2.3 pp, -5 yr warranty
MYP3036-180 180 W 17.65% -0.370 11.3 kg Lighter, +2.3 pp, -5 yr warranty
MYP3048-235 235 W 17.54% -0.370 12.5 kg Lighter, +2.2 pp, -5 yr warranty
TPL210P-54 210 W 14.30% -0.360 16.8 kg -15 W, -1.0 pp
TPL215P-54 215 W 14.64% -0.360 16.8 kg -10 W, -0.7 pp
TPL220P-54 220 W 14.98% -0.360 16.8 kg -0.3 pp
TPL230P-54 230 W 15.67% -0.360 16.8 kg +0.3 pp
TPL235P-54 235 W 16.01% -0.360 16.8 kg +10 W, +0.7 pp
MYM2054-270 270 W 21.20% -0.370 19.0 kg +45 W, +5.9 pp, -5 yr warranty

Found 16 panels of the same or similar size to this one, within ±10 mm. See them here Found 26 panels of the same or similar size to this one, within ±25 mm. See them here Found 26 panels of the same or similar size to this one, within ±50 mm. See them here Found 26 panels of the same or similar size to this one, within ±100 mm. See them here

About the TPL P-54 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 maximum power output of the TPL P-54 panel and is it competitive?
The TPL P-54 series reaches a maximum power output of 235 Wp. This figure is typical for modules built on a smaller cell count (54 half-cut cells) and reduced active surface area, so it should not be compared directly to full-size 60 or 72-cell panels. What matters here is the power-to-area and power-to-weight ratio, making this series appealing where light weight and ease of installation are priorities over raw peak power.
How does Half-Cut technology in the TPL P-54 differ from standard PERC panels?
Half-cut cells are standard PERC cells laser-cut in half. This reduces the current flowing through each cell, lowering resistive losses and boosting module efficiency by a few percent compared to classic full-cell PERC modules. Additionally, under partial shading, the panel loses less power since the cell halves operate partly independently across separate bypass diode circuits.
What is the warranty on the TPL P-54 panels and how does it compare to Tier 1 brands?
The manufacturer offers a 12-year product warranty and a 30-year power performance warranty. These are solid terms, though TPL Solar is not listed on the BloombergNEF Tier 1 list, meaning it has a shorter track record of financial bankability than market leaders. This is worth factoring into long-term risk assessment, for example by asking the supplier about warranty service terms in your region.
Are the TPL P-54 panels suitable for small residential rooftops?
Yes, this is one of the series' main advantages. Its 54-cell design makes the modules lighter and smaller than standard 60 or 72-cell panels, which simplifies rooftop transport, mounting on typical sloped structures, and installation on the limited surface area common to single-family homes.
Do TPL P-54 panels perform well in high summer temperatures?
Yes, the series features a favorable temperature coefficient, meaning a smaller drop in power output as module temperatures rise on hot days compared to cheaper standard panels. In practice this translates to more stable energy production in summer, when solar irradiance peaks but panel temperatures can also exceed 60°C.
Are the TPL P-54 panels bifacial, generating power from the rear side?
No, the TPL P-54 series uses monofacial modules, not bifacial technology. This means energy is generated only from the front surface. It's a simpler and cheaper solution to install than bifacial panels, though it won't capture additional reflected light from a bright ground surface or roof.
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