--- title: "CEEG vs JA Solar - Brand Comparison | ComparePV" description: "Compare CEEG vs JA Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background." source: "https://comparepv.com/ceeg-vs-ja-solar" --- # CEEG vs JA Solar JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup). ## The two companies | Attribute | CEEG | JA Solar | | --- | --- | --- | | Country | China | China | | Headquarters | Nanjing | Beijing | | Founded | 1990 | 2005 | | Employees | 4000+ | 37,289 | | Annual capacity | | 100+ GW/year | | Tier 1 | | yes | | Listed | | SZSE: 002459 | | Website | [http://www.ceeg.cn](http://www.ceeg.cn) | [https://www.jasolar.com](https://www.jasolar.com) | CEEG (China Electric Equipment Group Co., Ltd.) is a leading company in China's Power Transmission and Distribution (PT&D) industry. With over three decades of expertise, they deliver tailor-made transformer solutions and are known for local compatibility in PT&D and renewable energy sectors. Their diverse product... 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... ## Catalog & Power | Measure | CEEG | JA Solar | Margin | | --- | --- | --- | --- | | Panel Models | 0 | 504 | +504 | | Max Power | 0 W | 740 W | +740 W | | Avg Power | 0 W | 456 W | +456 W | ## Efficiency | Measure | CEEG | JA Solar | Margin | | --- | --- | --- | --- | | Max Efficiency | - | 24.80% | | | Avg Efficiency | - | 21.13% | | ## Reliability & Warranty | Measure | CEEG | JA Solar | Margin | | --- | --- | --- | --- | | Avg Temp Coefficient | - | -0.322%/°C | | | Bifacial Share | 0 (0%) | 238 (47%) | +47 pp | | Avg Warranty | - | 27.9 yrs | | ## Efficiency distribution JA Solar skews to higher efficiency: 15% of lineup is 23%+ | Efficiency band | CEEG | JA Solar | | --- | --- | --- | | \<20% | 0 | 112 (22.2%) | | 20-21% | 0 | 99 (19.6%) | | 21-22% | 0 | 112 (22.2%) | | 22-23% | 0 | 107 (21.2%) | | 23%+ | 0 | 74 (14.7%) | ## Power distribution JA Solar offers more 600W+ panels (14% of lineup) | Power band | CEEG | JA Solar | | --- | --- | --- | | \<400W | 0 | 142 (28.2%) | | 400-499W | 0 | 173 (34.3%) | | 500-599W | 0 | 120 (23.8%) | | 600-699W | 0 | 60 (11.9%) | | 700W+ | 0 | 9 (1.8%) | ## Cell technology Dominant cell tech: **PERC** (49%) | Technology | CEEG | JA Solar | | --- | --- | --- | | PERC | 0 | 247 (49.0%) | | TOPCon | 0 | 146 (29.0%) | | N-type | 0 | 90 (17.9%) | | Unknown | 0 | 16 (3.2%) | | HJT | 0 | 5 (1.0%) | ## 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 CEEG is a Chinese manufacturer headquartered in Nanjing, founded in 1990, with more than 4,000 employees and over three decades of experience in electrical equipment including transformers and solar modules. The company was listed on NASDAQ and has historically appeared on Tier 1 bankability lists, but current panel catalog data is absent from industry databases, making a direct technical comparison impossible. JA Solar is a substantially larger operation: founded in 2005, it employs over 37,000 people, operates production capacity exceeding 100 GW, and is listed on the Shenzhen Stock Exchange (SZSE). JA Solar holds confirmed Tier 1 bankable status, meaning its products are accepted as collateral by project finance institutions. Its catalog spans 524 panel models with a maximum output of 740 Wp, an average output of 441.7 Wp, average module efficiency of 20.87%, and a peak efficiency of 24.4%. Roughly 44.3% of its portfolio consists of bifacial modules, with PERC cells dominating at 52.1% of the range, complemented by newer TOPCon technology lines. JA Solar ranks second globally in module shipments and has earned PVEL Top Performer status ten times. In terms of use cases, JA Solar's broad portfolio serves residential rooftop installs effectively through its wide power and efficiency range, while its high-wattage bifacial modules up to 740 Wp make it a strong candidate for utility-scale ground-mount and commercial C&I projects. The average product warranty of 27.85 years supports bankability in project finance contexts. CEEG's longer founding history and experience in electrical infrastructure could give it established distribution relationships in certain markets, but the absence of current panel data prevents assessment of its contemporary technical competitiveness. For international buyers - whether residential installers or project developers - JA Solar presents the more verifiable choice: confirmed Tier 1 status, a large and documented product catalog, strong reliability testing results, and the scale to support long-term warranty obligations. CEEG should only be considered where current certifications, up-to-date datasheets, and reliable local distribution channels can be independently verified. Written by claude-sonnet from the figures above. ## Other comparisons - [CEEG vs A.B. Energy](https://comparepv.com/ceeg-vs-a-b-energy) - [AE Solar vs JA Solar](https://comparepv.com/ae-solar-vs-ja-solar) - [CEEG vs AEET](https://comparepv.com/ceeg-vs-aeet) - [AIKO vs JA Solar](https://comparepv.com/aiko-vs-ja-solar) - [CEEG vs AKCOME](https://comparepv.com/ceeg-vs-akcome) - [ARTsolar vs JA Solar](https://comparepv.com/artsolar-vs-ja-solar) --- Source: https://comparepv.com/ceeg-vs-ja-solar