JS Solar vs Q-Cells - solar panel manufacturer comparison
JS Solar has the broader catalog (137 vs 89 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% 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
Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...
- Founded
- 1999
- Headquarters
- Seoul, South Korea
- Annual capacity
- 11.2 GW/year
- Employees
- 2000+
- Listed
- NASDAQ: HQCL
- 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
Q-Cells skews to higher efficiency: 2% of lineup is 23%+
Q-Cells offers more 600W+ panels (19% of lineup)
Dominant cell tech: <strong>PERC</strong> (39%)
Dominant cell tech: <strong>PERC</strong> (43%)
The flagships
Written summary
JS Solar is a Chinese manufacturer founded in 2007 and headquartered in Yixing, Jiangsu Province. The company reports annual module shipments above 3 GW and has stated manufacturing capacity reaching toward 20 GW, though independent verification of that upper figure is limited in publicly available industry sources. Its Tier 1 or BloombergNEF bankability classification has not been confirmed in the major surveys reviewed. Hanwha Q CELLS, by contrast, is the solar division of South Korea's Hanwha Group and traces its cell-technology lineage to the original German Q-Cells business acquired in 2012. It carries confirmed BloombergNEF Tier 1 status, operates manufacturing facilities across South Korea, Malaysia, and the United States, and has reported combined production capacity of over 11 GW per year. Q CELLS has the considerably stronger institutional footprint of the two.
JS Solar offers a broad catalog spanning residential rooftop and commercial ground-mount applications, with panel wattages reaching up to roughly 670 W, a bifacial product range, and a standard 25-year performance warranty - positioning the brand as a value-oriented option for cost-sensitive commercial or utility developers. Q CELLS is best known for its proprietary Q.ANTUM PERC technology, which has accumulated a long field-performance track record, and the company has publicly announced TOPCon and tandem perovskite lines in its roadmap. Its product range targets premium residential rooftops and mid-to-large commercial installations, and its Georgia manufacturing operation - the largest solar module factory in the Western Hemisphere - makes it especially relevant for U.S. buyers seeking domestic supply chain compliance under current trade policy.
For a typical buyer in 2025 who prioritizes documented bankability, an extensive field-performance history, and U.S. manufacturing options, Q CELLS is the more defensible default. JS Solar can be a competitive choice where upfront cost is the primary driver and project financing does not require a confirmed Tier 1 supplier, but buyers should verify its current bankability standing before committing to a large installation.
Generated by Claude Sonnet · 2026-06-21
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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.