AmoSolar vs JA Solar - solar panel manufacturer comparison
JA Solar has the broader catalog (504 vs 77 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% 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
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
JA Solar skews to higher efficiency: 15% of lineup is 23%+
AmoSolar offers more 600W+ panels (23% of lineup)
Dominant cell tech: <strong>PERC</strong> (86%)
Dominant cell tech: <strong>PERC</strong> (49%)
The flagships
Written summary
AmoSolar is a relatively lesser-known solar module manufacturer without Tier 1/bankable certification, which limits its suitability for projects requiring bank or institutional financing. The company maintains a focused portfolio of 77 modules, heavily weighted toward PERC cell technology (85.71% of the lineup), with an average module power of approximately 521 Wp, average efficiency of 21.14%, and a maximum efficiency of 22.83%. Its bifacial share stands at 22.08%. JA Solar, by contrast, is one of the largest photovoltaic manufacturers in the world - founded in 2005 in China, employing over 37,000 people, with an annual production capacity exceeding 100 GW and a listing on the Shenzhen Stock Exchange (SZSE). JA Solar holds Tier 1/bankable status, giving it a major advantage in project finance contexts and long-term bankability assessments for lenders and EPCs.
AmoSolar's higher average module wattage (~521 Wp) could appeal to residential rooftop installers looking for a simplified, high-output selection, and the company has shown European ambitions by exhibiting at Smarter E Europe 2025. However, its limited third-party validation and narrow product range constrain its application to smaller private or commercial projects. JA Solar offers a substantially broader catalog of 524 modules reaching up to 740 Wp and 24.4% peak efficiency, with a 44.27% bifacial share and a slightly better average temperature coefficient for Pmax (-0.3226 vs -0.3387 %/°C). This combination makes JA Solar well-suited for residential rooftop installs, commercial and industrial (C&I) projects, and large-scale utility ground-mount deployments alike. The company was named a Top Performer in the PVEL 2025 PV Module Reliability Scorecard for the tenth time, further reinforcing its long-term reliability credentials.
For international buyers selecting between the two, JA Solar is the stronger choice across virtually all project categories - its Tier 1 status, global supply chain, superior peak efficiency, higher bifacial share, longer average warranty (~27.85 vs ~26.49 years), and independently verified reliability reduce risk substantially. AmoSolar may serve a niche where bankability is not a requirement and a buyer seeks high average wattage in a concise product selection, but the lack of broad market recognition and independent performance data remains a meaningful risk factor for any sizeable investment.
Generated by Claude Sonnet · 2026-05-12
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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.