--- title: "TPL Solar TPL255M-60 Solar Panel: Specs & Datasheet | ComparePV" description: "TPL Solar TPL255M-60 solar panel. Specs: 15.67% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/tpl-solar-tpl255m-60" image: "https://comparepv.com/og/panel/tpl-solar-tpl255m-60.png" updated: 2026-09-11 --- # TPL Solar TPL255M-60 Warranty pick, modest efficiency 74 panels in the segment PERC 250-300 W ## Identity - **Manufacturer:** TPL Solar - **Model:** TPL255M-60 - **Series:** TPL M-60 Series - **Rated power:** 255 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 250-300 W (74 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 255 W | 275 W | Weak - bottom 10% | | | Module efficiency | 15.67% | 17.21% | Weak - bottom 7% | 13,815 | | Power density | 156.7 | 172.1 | Weak - bottom 7% | 13,797 | | Temperature coefficient | -0.360 | -0.370 | Strong - top 23% | 12,425 | | Weight (kg) | 18.5 kg | 18.5 kg | Weak - bottom 11% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 15.67% | 17.21% | Weak - bottom 7% | 13,815 | | Power density | 156.7 | 172.1 | Weak - bottom 7% | 13,797 | | Temperature coefficient | -0.360 | -0.370 | Strong - top 23% | 12,425 | | Weight per kWp | 72.5 | 66.5 | Weak - bottom 11% | 13,643 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Strengths - **30 year performance warranty** - Top 20% of the PERC 250-300 W segment, against a median of 25 yrs. - **-0.360 %/°C temperature coefficient** - Top 23% of the PERC 250-300 W segment, against a median of -0.370. ### Watch out for - **15.67% module efficiency** - Bottom 7% of the PERC 250-300 W segment, against a median of 17.21%. Ranked 13,815th in the whole database. - **156.7 watts per square metre** - Bottom 7% of the PERC 250-300 W segment, against a median of 172.1. Ranked 13,797th in the whole database. - **72.5 kg per kWp** - Bottom 11% of the PERC 250-300 W segment, against a median of 66.5. - **Best for:** Residential, commercial and cold-climate. - **Not ideal for:** Tight roof space, roofs where every square metre has to count and weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 255 W - **Efficiency:** 15.67 % - **Voltage at Pmax (Vmp):** 31.76 V - **Current at Pmax (Imp):** 8.03 A - **Open-circuit voltage (Voc):** 37.74 V - **Short-circuit current (Isc):** 8.60 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.360 %/degC - **Temperature coefficient of Voc:** -0.360 %/degC - **Temperature coefficient of Isc:** 0.060 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 60 ### Physical - **Length:** 1640 mm - **Width:** 992 mm - **Thickness:** 35 mm - **Weight:** 18.5 kg - **Area:** 1.63 m2 - **Power density:** 156.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 80.7 % - **First-year degradation:** 2.50 % - **Annual degradation:** 0.58 % - **Output after 30 years:** 206 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13815 of 14129 | | Power density | 13797 of 14129 | | Temperature coefficient | 12425 of 14129 | | Weight | 13643 of 14129 | | Warranty | 21 of 14129 | ## About this series 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. ## Notable figures - Efficiency of 15.7% is 3.8pp below the \*\*PERC 0-400W\*\* median (19.4%) - At 156.7 W/m², this panel generates 37.5 W/m² less per unit area than \*\*PERC 0-400W\*\* median (194.2 W/m²) - At -0.36%/°C, hot weather performance is typical for \*\*PERC 0-400W\*\* panels - Weight of 18.5 kg (2.0 kg below \*\*PERC 0-400W\*\* median of 20.5 kg) allows easier transport and roof mounting - Ranked #13815 out of 14129 panels for efficiency in the database ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/20170221163212-3734-d6ea2194d461.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | Cooler, lighter, +7.7 pp | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | Cooler, lighter, +7.7 pp | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | Cooler, lighter, +7.6 pp | | [Heckert Solar ZEUS 3.2 285WP FullBlack](https://comparepv.com/panel/heckert-solar-zeus-3-2-285wp-fullblack) | 285 W | +30 W, cooler, +7.5 pp | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | +30 W, lighter, +7.3 pp | | [Gamko New Energy GKA182M240W](https://comparepv.com/panel/gamko-new-energy-gka182m240w) | 240 W | -15 W, lighter, +7.3 pp | | [Gamko New Energy GKA182M260W](https://comparepv.com/panel/gamko-new-energy-gka182m260w) | 260 W | Lighter, +7.3 pp | | [Gamko New Energy GKA182M270W](https://comparepv.com/panel/gamko-new-energy-gka182m270w) | 270 W | +15 W, lighter, +7.3 pp | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | +45 W, lighter, +7.3 pp | | [TPL Solar TPL250M-60](https://comparepv.com/panel/tpl-solar-tpl250m-60) | 250 W | -0.3 pp | | [TPL Solar TPL260P-60](https://comparepv.com/panel/tpl-solar-tpl260p-60) | 260 W | +0.3 pp | | [TPL Solar TPL265P-60](https://comparepv.com/panel/tpl-solar-tpl265p-60) | 265 W | +10 W, +0.6 pp | | [TPL Solar TPL270P-60](https://comparepv.com/panel/tpl-solar-tpl270p-60) | 270 W | +15 W, +0.9 pp | | [TPL Solar TPL275M-60](https://comparepv.com/panel/tpl-solar-tpl275m-60) | 275 W | +20 W, +1.6 pp | | [Maxeon SPR-MAX3-400-COM](https://comparepv.com/panel/maxeon-spr-max3-400-com) | 400 W | +145 W, +6.9 pp, +10 yr warranty | | [Lina Energy LEPV 400](https://comparepv.com/panel/lina-energy-lepv-400) | 400 W | +145 W, cooler, +6.6 pp | --- Source: https://comparepv.com/panel/tpl-solar-tpl255m-60 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.