--- title: "Heckert Solar NEMO 2.0 60 M BLACK 325 325W Solar Panel - Specs & Review | ComparePV" description: "Heckert Solar NEMO 2.0 60 M BLACK 325 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-black-325" updated: 2026-09-11 --- # Heckert Solar NEMO 2.0 60 M BLACK 325 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 BLACK 325 - **Series:** NEMO 2.0 60 M BLACK - **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 | -0.400 | -0.360 | Weak - bottom 12% | 13,674 | | 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 | -0.400 | -0.360 | Weak - bottom 12% | 13,674 | | 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 - **-0.400 %/°C temperature coefficient** - Bottom 12% of the PERC 300-350 W segment, against a median of -0.360. - **Best for:** Residential, shaded-installations and BIPV. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 325 W - **Efficiency:** 19.40 % - **Voltage at Pmax (Vmp):** 33.13 V - **Current at Pmax (Imp):** 9.89 A - **Open-circuit voltage (Voc):** 40.94 V - **Short-circuit current (Isc):** 10.22 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.400 %/degC - **Temperature coefficient of Voc:** -0.310 %/degC - **Temperature coefficient of Isc:** 0.050 %/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 | 13674 of 14005 | | Weight | 10559 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Established Manufacturer with a Proven Track Record** - Heckert Solar has been operating since 1992 in Chemnitz, Germany, and has held the Top Brand PV designation awarded by EuPD Research continuously since 2015 — including every year from 2020 through 2024. For prosumer installations designed for a 25-year service life, this provides tangible assurance that the entity responsible for warranty obligations is both active and verifiable. - **Full-Black Aesthetics for Modern Rooftops** - The BLACK variant combines black cells, a black frame, and a black backsheet, eliminating the visual patchwork effect characteristic of standard modules. This is a significant advantage for installations on highly visible roof surfaces and for projects subject to heritage or planning authority requirements, where a uniform appearance may be a formal condition of approval. - **High Mechanical Load Resistance** - According to manufacturer data (pvXchange/ENF), the module withstands snow loads of up to 5,400 Pa and wind loads of up to 2,400 Pa, with the junction box rated IP68. These figures exceed the typical segment minimum of 4,000/2,400 Pa, contributing to greater long-term durability in Central European climatic conditions. - **25-Year Linear Power Output Warranty** - The manufacturer guarantees retention of minimum efficiency for 25 years — a standard market-compliant commitment that ensures predictable energy yield projections in PV investment financial models. - **PERC + Half-Cut Cell Technology** - PERC cells in a half-cut configuration reduce the impact of partial shading — from chimneys, dormers, or trees — by electrically isolating each cell half. Under conditions typical of a Polish residential installation, this translates into more stable energy yield compared to conventional full-cell modules without PERC. ## Cons - **Series Discontinued (2023)** - The NEMO 2.0 60 M BLACK was manufactured between 2017 and 2023 and is listed as discontinued. This limits the availability of new modules for potential system expansions and creates a risk of no identical replacements being obtainable in the event of a single panel failure after 2025–2026. - **Efficiency Below Current Peer Comparables** - The maximum module efficiency of this series is 19.4%, while comparable wattage classes (up to 325 Wp) now achieve 19.9–19.98% (Haitai Solar N series G12, MY Solar M2 series). The ~0.5–0.6 percentage point gap translates into a larger roof area requirement to achieve the same installed capacity. - **15-Year Product Warranty** - Heckert Solar provides a 15-year product warranty, whereas leading manufacturers — including Tier-1 brands compatible with SolarEdge systems — increasingly offer 25-year coverage. For systems planned for 25+ years of operation, this leaves the final decade of service life without any product warranty protection. - **No Bifacial Technology** - The series is monofacial (is\_bifacial: false), whereas a direct competitor in the same power class — Haitai Solar N series G12 — offers a bifacial, dual-glass module at 19.9% efficiency. On installations with a light-colored substrate or a metal roof surface, bifacial modules can generate an additional 5–15% of energy from albedo reflection. ## About this series The Heckert Solar NEMO 2.0 60 M BLACK series consists of monocrystalline modules designed for investors who expect both high quality workmanship and a consistent aesthetic. The BLACK version is characterized by a **uniform, dark appearance**, which makes it perfectly suitable for modern roofs and facades - without the effect of a random mosaic on the roof. The use of **half-cut technology** helps to minimize losses in typical home installation scenarios, such as partial shading from chimneys, skylights, or trees. This translates into more stable energy production in real-world conditions, not just in a laboratory. Furthermore, the modules use **anti-reflective glass**, which supports efficient light utilization in variable sunlight conditions. This series is a good choice for single-family homes and small businesses, where reliability over the years and a high standard of workmanship are important. The **extended product warranty** is also a key factor, especially when planning the operating costs of PV installations. ## Notable figures - At 19.4% efficiency, this panel is on par with typical \*\*PERC 0-400W\*\* modules - Power density of 193.4 W/m² matches the \*\*PERC 0-400W\*\* median - Temperature coefficient of -0.40%/°C is 0.04pp worse than \*\*PERC 0-400W\*\* median (-0.36%/°C) - higher losses in summer heat - Weight of 18.3 kg (2.2 kg below \*\*PERC 0-400W\*\* median of 20.5 kg) allows easier transport and roof mounting - In the top 91% for efficiency among all PERC panels ## Questions ### Is the Heckert Solar NEMO 2.0 60 M BLACK series still available for purchase? The NEMO 2.0 60 M BLACK series has been discontinued. Heckert Solar has ended production and it is no longer available as a new product through authorized distributors. Limited quantities may appear on the secondary market. If you need a current Heckert Solar offering, ask your dealer about the manufacturer's newer series. ### What warranty comes with the Heckert Solar NEMO 2.0 60 M BLACK panels? The manufacturer provides a 15-year product warranty covering workmanship and materials, plus a 25-year power output warranty guaranteeing the module retains a specified percentage of its rated output after a quarter century. This is a strong warranty standard for residential PV installations and provides a reliable basis for calculating return on investment. ### What does the half-cut technology in the NEMO 2.0 60 M BLACK actually do, and is it worth it? Half-cut technology splits each PERC cell in two, reducing internal resistance and limiting losses under partial shading — for example from a chimney, dormer, or nearby trees. In practice this means the panel performs better in real-world residential roof conditions rather than only in ideal lab settings. There is no added cost: half-cut is a built-in feature of this series. ### What are the dimensions and weight of the Heckert Solar NEMO 2.0 60 M BLACK 325W panel? The panel measures approximately 1,670 × 1,006 × 38 mm and weighs around 18.3 kg. These are standard 60-cell module dimensions compatible with typical mounting systems used on pitched and flat roofs. The sub-19 kg weight makes rooftop handling and installation practical without specialized lifting equipment. ### What is the difference between the BLACK version of the NEMO 2.0 60 M and the standard version? The BLACK version features a black anodized frame and a black backsheet, giving the entire module a uniform dark appearance. Unlike the standard version with a white backsheet and silver frame, the BLACK variant blends into dark roof tiles or bitumen shingles without a contrasting patchwork effect. Electrical specifications and warranties are identical across both versions. ### Are the NEMO 2.0 60 M BLACK 325W panels suitable for a residential rooftop installation? Yes, the series was designed with single-family homes and small businesses in mind. The 325 Wp output, compact dimensions, and sub-19 kg weight make the modules easy to fit onto typical roof areas using standard mounting hardware. Monocrystalline PERC cell technology delivers reliable efficiency under variable irradiance, and the all-black aesthetic integrates cleanly with modern roof and facade designs. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/DB-NeMo-20-60-M-Black-315-325-Wp-cb7c9f4c6216.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, -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 | -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 | Cooler, +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-black-325 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.