JA Solar vs TCL Zhonghuan - solar panel manufacturer comparison
JA Solar has the broader catalog (504 vs 66 models). JA Solar leads on peak efficiency at 24.80%. TCL Zhonghuan leans bifacial (65% of lineup).
Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.
The two companies
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...
- Founded
- 2005
- Headquarters
- Beijing, China
- Annual capacity
- 100+ GW/year
- Employees
- 37,289
- Listed
- SZSE: 002459
- Tier 1 bankable
- Yes
- Founded
- 1981
- Headquarters
- Tianjin, China
- Listed
- SZSE: 002129
- Tier 1 bankable
- Yes
Catalogue against catalogue
An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.
What each of them builds
TCL Zhonghuan skews to higher efficiency: 58% of lineup is 23%+
TCL Zhonghuan offers more 600W+ panels (55% of lineup)
Dominant cell tech: <strong>PERC</strong> (49%)
Dominant cell tech: <strong>Back Contact</strong> (45%)
The flagships
Written summary
JA Solar and TCL Zhonghuan are both Chinese Tier 1 solar manufacturers listed on the Shenzhen Stock Exchange, but they occupy distinctly different positions in the market. JA Solar, founded in 2005, is one of the largest dedicated PV module manufacturers in the world, with over 37,000 employees and a production capacity exceeding 100 GW. The company has aggressively expanded its global manufacturing footprint, with investments in the United States (Arizona) and Oman, making it one of the more geographically diversified Chinese module suppliers. TCL Zhonghuan, founded in 1981, has its roots in semiconductor and silicon wafer manufacturing and commands roughly 23% of the global silicon wafer market. While its module portfolio is considerably smaller - 65 models compared to JA Solar's 524 - it is strategically focused on high-efficiency, premium-tier products. Both companies have faced margin pressure amid the broader Chinese solar industry downturn; TCL Zhonghuan reported significant losses in 2025 and underwent an executive reshuffle, which is a factor to monitor when assessing long-term supplier stability.
JA Solar's portfolio is broad and well-suited to residential rooftop installations and commercial C&I projects where price competitiveness, product availability, and proven reliability are paramount. Its panels have earned PVEL Top Performer status for the tenth consecutive year in 2025, and the Deep Blue series spanning PERC and TOPCon technologies covers a wide range of project requirements. Average panel efficiency sits at approximately 20.9% with a maximum of 24.4%, and 44.3% of the range is bifacial. TCL Zhonghuan, by contrast, positions itself at the premium end with Back Contact (BC) technology representing its leading product line. Average efficiency across its portfolio reaches approximately 23.1% - a meaningful gap above JA Solar - and the average temperature coefficient of -0.272%/°C compares favorably to JA Solar's -0.273%/°C, meaning lower power losses during hot weather. With 64.6% of its portfolio bifacial and a uniform 30-year performance warranty, TCL Zhonghuan targets utility-scale ground-mount projects, high-density commercial rooftops, and BIPV applications where maximum energy yield per square meter justifies a premium price.
For international buyers choosing between the two, JA Solar is the lower-risk, higher-volume choice for projects where bankability, spare-parts availability, and competitive module pricing are decisive factors - particularly for residential and mid-scale C&I. TCL Zhonghuan is the stronger candidate for projects that demand best-in-class efficiency and thermal performance, provided buyers factor in the company's current financial headwinds and narrower product range. In both cases, Tier 1 status and strong wafer-to-module vertical integration underpin long-term quality consistency.
Generated by Claude Sonnet · 2026-05-12
Other brand comparisons
Shop prices: See 333 JA Solar offers · See 20 TCL Zhonghuan offers
Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.