--- title: "JA Solar vs NeMo - Brand Comparison | ComparePV" description: "Compare JA Solar vs NeMo solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/ja-solar-vs-nemo" --- # JA Solar vs NeMo JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup). ## The two companies | Attribute | JA Solar | NeMo | | --- | --- | --- | | Country | China | Germany | | Headquarters | Beijing | Chemnitz | | Founded | 2005 | 2001 | | Employees | 37,289 | 100-500 | | Annual capacity | 100+ GW/year | 0.5-1 GW/year | | Tier 1 | yes | | | Listed | SZSE: 002459 | | | Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.heckertsolar.com](https://www.heckertsolar.com) | JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop... NeMo is the flagship solar module product line of Heckert Solar GmbH, a German photovoltaic manufacturer founded in Chemnitz, Saxony. The company produces mono- and polycrystalline solar panels exclusively in Germany, across facilities in Chemnitz and Langenwetzendorf in Thuringia. With over 20 years of manufacturing... ## Catalog & Power | Measure | JA Solar | NeMo | Margin | | --- | --- | --- | --- | | Panel Models | 504 | 0 | +504 | | Max Power | 740 W | 0 W | +740 W | | Avg Power | 456 W | 0 W | +456 W | ## Efficiency | Measure | JA Solar | NeMo | Margin | | --- | --- | --- | --- | | Max Efficiency | 24.80% | - | | | Avg Efficiency | 21.13% | - | | ## Reliability & Warranty | Measure | JA Solar | NeMo | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | -0.322%/°C | - | | | Bifacial Share | 238 (47%) | 0 (0%) | +47 pp | | Avg Warranty | 27.9 yrs | - | | ## Efficiency distribution JA Solar skews to higher efficiency: 15% of lineup is 23%+ | Efficiency band | JA Solar | NeMo | | --- | --- | --- | | \<20% | 112 (22.2%) | 0 | | 20-21% | 99 (19.6%) | 0 | | 21-22% | 112 (22.2%) | 0 | | 22-23% | 107 (21.2%) | 0 | | 23%+ | 74 (14.7%) | 0 | ## Power distribution JA Solar offers more 600W+ panels (14% of lineup) | Power band | JA Solar | NeMo | | --- | --- | --- | | \<400W | 142 (28.2%) | 0 | | 400-499W | 173 (34.3%) | 0 | | 500-599W | 120 (23.8%) | 0 | | 600-699W | 60 (11.9%) | 0 | | 700W+ | 9 (1.8%) | 0 | ## Cell technology Dominant cell tech: **PERC** (49%) | Technology | JA Solar | NeMo | | --- | --- | --- | | PERC | 247 (49.0%) | 0 | | TOPCon | 146 (29.0%) | 0 | | N-type | 90 (17.9%) | 0 | | Unknown | 16 (3.2%) | 0 | | HJT | 5 (1.0%) | 0 | ## Top panels, JA Solar | # | Model | Power | Efficiency | Temp. coefficient | Technology | | --- | --- | --- | --- | --- | --- | | 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline | | 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline | | 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline | | 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline | | 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline | | 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline | | 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline | | 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline | | 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline | | 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline | ## Summary JA Solar was founded in 2005 in China and has grown into one of the world's largest solar panel manufacturers, currently ranking second globally in module shipments. With over 37,000 employees and a production capacity exceeding 100 GW annually, the company holds Tier 1 bankable status and is publicly listed on the Shenzhen Stock Exchange, giving it strong institutional credibility with lenders and project developers worldwide. NeMo is the flagship product line of Heckert Solar, a German manufacturer founded in 2001 and headquartered in Chemnitz, Germany. Heckert Solar employs between 100 and 500 people and operates with an annual production capacity of 0.5 to 1 GW. All NeMo modules are manufactured exclusively in Germany, positioning the brand as a premium European option with a clearly documented production origin. The two manufacturers differ fundamentally in scale and market orientation - JA Solar competes as a global volume leader, while Heckert Solar occupies a niche as a certified European manufacturer with a strong regional presence across Germany and neighboring markets. JA Solar's portfolio spans 524 panel models, reaching up to 740 Wp peak power and a maximum efficiency of 24.4%, with an average efficiency across the lineup of approximately 20.9%. Over 44% of models feature bifacial design, and the primary cell technology remains PERC, accounting for more than 52% of the catalog, with TOPCon increasingly represented in higher-efficiency models. JA Solar earned PVEL Top Performer status for the tenth time in 2025, underscoring its reliability credentials. These characteristics make JA Solar well suited for residential rooftop installations, utility-scale ground-mount projects, and commercial C&I applications globally. Heckert Solar's NeMo modules are monocrystalline panels produced entirely in Germany using power from the company's own PV systems and certified green electricity. The modules incorporate anti-reflective glass coatings that the manufacturer reports can improve energy yield by approximately 5% compared to standard glass. NeMo panels are best positioned for residential and commercial rooftop installations in Germany, Poland, and other European markets where locally produced, low-carbon products carry significant value. For international buyers choosing between the two, the decision centers on priorities around volume, price, and provenance. JA Solar is the practical choice for large-volume procurement - whether for utility-scale programs or high-throughput residential installers - where bankability, deep supply chain access, and independently verified reliability are the primary criteria. Heckert Solar NeMo panels suit buyers in the European market who prioritize local manufacturing, supply chain traceability, and a lower carbon footprint, and are prepared to accept a narrower product selection and a typically higher per-watt cost in return. Written by claude-sonnet from the figures above. ## Other comparisons - [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy) - [AE Solar vs NeMo](https://comparepv.com/ae-solar-vs-nemo) - [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet) - [AIKO vs NeMo](https://comparepv.com/aiko-vs-nemo) - [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome) - [ARTsolar vs NeMo](https://comparepv.com/artsolar-vs-nemo) --- Source: https://comparepv.com/ja-solar-vs-nemo Not in this file, on the page: the distributions above drawn as charts.