--- title: "Heckert Solar NEMO® 2.0 60 M 325Wp 325W Solar Panel - Specs & Review | ComparePV" description: "Heckert Solar NEMO® 2.0 60 M 325Wp 325W solar panel. Specs: 19.40% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/heckert-solar-nemo-2-0-60-m-325wp" updated: 2026-09-11 --- # Heckert Solar NEMO® 2.0 60 M 325Wp Light for its output, weak in heat 286 panels in the segment PERC 300-350 W ## Identity - **Manufacturer:** Heckert Solar - **Model:** NEMO® 2.0 60 M 325Wp - **Series:** NEMO® 2.0 60 M - **Rated power:** 325 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 300-350 W (286 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 325 W | 325 W | Typical | | | Module efficiency | 19.40% | 19.00% | Typical | 12,735 | | Power density | 193.5 | 190.0 | Typical | 12,757 | | Temperature coefficient | -0.380 | -0.360 | Weak - bottom 22% | 13,397 | | Weight (kg) | 18.3 kg | 19.0 kg | Strong - top 16% | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 19.40% | 19.00% | Typical | 12,735 | | Power density | 193.5 | 190.0 | Typical | 12,757 | | Temperature coefficient | -0.380 | -0.360 | Weak - bottom 22% | 13,397 | | Weight per kWp | 56.3 | 60.0 | Strong - top 16% | 10,559 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Strengths - **56.3 kg per kWp** - Top 16% of the PERC 300-350 W segment, against a median of 60.0. ### Watch out for - **-0.380 %/°C temperature coefficient** - Bottom 22% of the PERC 300-350 W segment, against a median of -0.360. - **Best for:** Residential and commercial. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 325 W - **Efficiency:** 19.40 % - **Voltage at Pmax (Vmp):** 33.29 V - **Current at Pmax (Imp):** 9.85 A - **Open-circuit voltage (Voc):** 40.98 V - **Short-circuit current (Isc):** 10.17 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.380 %/degC - **Temperature coefficient of Voc:** -0.350 %/degC - **Temperature coefficient of Isc:** 0.070 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 60 ### Physical - **Length:** 1670 mm - **Width:** 1006 mm - **Thickness:** 38 mm - **Weight:** 18.3 kg - **Area:** 1.68 m2 - **Power density:** 193.5 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 80.0 % - **Output after 30 years:** 247 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12735 of 14005 | | Power density | 12757 of 14005 | | Temperature coefficient | 13397 of 14005 | | Weight | 10559 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Made in Germany manufacturing** - Modules are produced at Heckert Solar's plant in Chemnitz, Germany. The manufacturer has held the Top-Brand-PV seal since 2015 and is ranked in the upper-premium DACH market segment — comparable to Solarwatt. European production standards translate into high parameter consistency across delivery batches, which matters for installers calculating system-level output. - **High mechanical durability** - The frame withstands snow loads up to 5,400 Pa and wind loads up to 2,400 Pa, fully satisfying IEC 61215 certification requirements. For Polish snow zones II–III, this provides a meaningful safety margin on pitched residential rooftops. - **19.4–19.9% efficiency vs. peer comparables** - The series achieves clearly higher efficiency than SP Enerji SP Poly 72-cell (17.26%) and Huasun HSN-210R-B72 (15.1%) at the same 335 Wp nameplate power, reducing required roof area. Among the listed peer comparables, it trails only the SunLink LUXMAX (20.16%). - **15-year product + 25-year power warranty** - The manufacturer offers a 15-year product warranty and a 25-year linear power performance warranty — a premium-tier commitment for residential prosumer and small commercial systems. At the series' market launch in 2018, these warranty terms were among the best-in-class. ## Cons - **Series discontinued (2023)** - The NEMO® 2.0 60 M series ended production in 2023. This means limited availability of new modules on the primary market, practical inability to source matching panels for system expansion, and potential difficulties with warranty replacements over the longer service horizon. - **Full-cell architecture — no half-cut** - The module uses 60 full PERC cells rather than the modern half-cut topology (120 cells), which became the market standard around 2020. Full cells produce higher resistive losses and greater sensitivity to partial shading, reducing yield on installations with non-uniform shading from chimneys or roof windows. - **PERC superseded by TOPCon/HJT** - PERC cells exhibit a temperature coefficient of Pmax at –0.41 %/°C, while modern TOPCon modules achieve –0.28 to –0.35 %/°C — a meaningful difference on hot summer days. PERC efficiency tops out at ~20%, whereas TOPCon/HJT already reaches 22–24.5%, making a 2025–2026 purchase a choice of a technology with no further development roadmap. ## About this series The Heckert Solar NEMO® 2.0 60 M series consists of monocrystalline modules designed for installations where predictable energy production and stable performance over many years are crucial. The use of anti-reflective coated glass helps to better utilize light, even at less favorable angles, which, in Polish conditions, translates to more consistent energy generation throughout the day. The design has been optimized for durability - a robust frame and resistance to loads ensure trouble-free operation on residential rooftops and small commercial installations. In practice, the NEMO® 2.0 60 M solves common investment challenges: limited mounting area, the need for an aesthetically pleasing appearance, and the expectation of consistent performance across the entire batch. Darker variations are also available, making it easier to match to modern roofing styles. A key feature of the series is the emphasis on **quality control**, **repeatability**, and **mechanical resistance**, as well as **anti-reflective glass** and **proven monocrystalline technology** - this makes it a good choice for installers and customers who simply want to install and generate energy without surprises. ## Notable figures - Efficiency of 19.4% matches the \*\*PERC 0-400W\*\* median - At 193.4 W/m² power density, roof space requirements are typical for \*\*PERC 0-400W\*\* panels - -0.38%/°C temperature coefficient - 0.02pp worse than \*\*PERC 0-400W\*\* median (-0.36%/°C), expect higher hot weather losses - 18.3 kg weight - 2.2 kg lighter than \*\*PERC 0-400W\*\* median (20.5 kg), reducing installation effort - In the top 91% for efficiency among all PERC panels ## Questions ### Is the Heckert Solar NEMO® 2.0 60 M series still available for purchase? The NEMO® 2.0 60 M series has been discontinued and is no longer offered as a new product through standard distribution channels. Limited stock may still be available at some distributors, but availability should be confirmed directly with the seller before purchase. For new installations, Heckert Solar offers newer monocrystalline module series. ### What warranty does the Heckert Solar NEMO® 2.0 60 M come with? Heckert Solar provides a 15-year product warranty on the NEMO® 2.0 60 M modules, covering material and manufacturing defects. In addition, a 25-year linear power output warranty guarantees that the modules maintain adequate performance levels for a quarter of a century. These are solid warranty terms typical of reputable European PV manufacturers. ### What is PERC technology and is it worth choosing in the NEMO® 2.0 60 M modules? PERC (Passivated Emitter and Rear Cell) adds a reflective passivation layer to the rear of each cell, allowing more light to be captured and boosting efficiency compared to standard monocrystalline cells. In practice, this means higher energy yield from the same roof area. The NEMO® 2.0 60 M achieves up to 335 Wp from 60 PERC cells, a strong result for this module class. ### Can Heckert Solar NEMO® 2.0 60 M panels withstand heavy snow loads and strong wind? Yes, the NEMO® 2.0 60 M is built for demanding weather conditions. The modules are rated for snow loads up to 5,400 Pa and wind loads up to 2,400 Pa. A sturdy anodized aluminum frame and an IP68-certified junction box provide reliable protection against moisture ingress. These ratings are more than sufficient for residential rooftop installations in Central European climates. ### Does the anti-reflective glass coating on the NEMO® 2.0 60 M actually improve energy yield in real-world conditions? In climates like Poland's, where diffuse and low-angle irradiance is common for much of the year, the anti-reflective coating delivers a measurable benefit. It reduces surface reflections and allows more irradiance to reach the PERC cells even at oblique angles of incidence. The practical result is a more consistent daily energy output and better yields during spring and autumn transition months. ### Are the NEMO® 2.0 60 M modules suitable for a small commercial installation or a single-family home rooftop? Yes, the NEMO® 2.0 60 M series was designed specifically for these use cases. The 60-cell format results in compact module dimensions that fit well on standard residential roof sections. A Black aesthetic variant was available for a sleek look on modern roof tiles. Tight production tolerances ensure consistent parameters across a batch, simplifying MPPT inverter sizing and string configuration. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/DB-NeMo-20-60-M-325-335-Wp-d6e3d405ddd3.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, +3.9 pp | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | Cooler, lighter, +3.9 pp | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | Cooler, +3.9 pp, +5 yr warranty | | [JA Solar NS-330MH-80](https://comparepv.com/panel/ja-solar-ns-330mh-80) | 330 W | Cooler, lighter, +3.8 pp | | [PolyCrown Solar Tech NS-330MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-330mh-80) | 330 W | Cooler, lighter, +3.8 pp | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | Lighter, +3.6 pp, +5 yr warranty | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | -25 W, +3.6 pp, +5 yr warranty | | [Gamko New Energy GKA210M320W](https://comparepv.com/panel/gamko-new-energy-gka210m320w) | 320 W | Lighter, +3.6 pp, +5 yr warranty | | [Gamko New Energy GKA210M340W](https://comparepv.com/panel/gamko-new-energy-gka210m340w) | 340 W | Lighter, +3.6 pp, +5 yr warranty | | [Heckert Solar NEMO 2.0 60 M BLACK 315](https://comparepv.com/panel/heckert-solar-nemo-2-0-60-m-black-315) | 315 W | -10 W, hotter, -0.6 pp | | [Heckert Solar NEMO 2.0 60 M BLACK 320](https://comparepv.com/panel/heckert-solar-nemo-2-0-60-m-black-320) | 320 W | Hotter, -0.3 pp | | [Heckert Solar NEMO® 2.0 60 M 330](https://comparepv.com/panel/heckert-solar-nemo-2-0-60-m-330) | 330 W | +0.2 pp | | [Jetion JT440SYK(B)](https://comparepv.com/panel/jetion-jt440syk-b) | 440 W | +115 W, cooler, +3.5 pp | | [Jetion JT435SYk(B)](https://comparepv.com/panel/jetion-jt435syk-b) | 435 W | +110 W, cooler, +3.3 pp | | [Maxeon SPR-MAX3-400-COM](https://comparepv.com/panel/maxeon-spr-max3-400-com) | 400 W | Cooler, +3.2 pp, +15 yr warranty | | [Jetion JT430SYk(B)](https://comparepv.com/panel/jetion-jt430syk-b) | 430 W | +105 W, cooler, +3.0 pp | --- Source: https://comparepv.com/panel/heckert-solar-nemo-2-0-60-m-325wp Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.