Q-Cells vs SOMI - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 6 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> (43%)
Dominant cell tech: <strong>PERC</strong> (100%)
The flagships
Written summary
Q-Cells, operating under the Hanwha Q CELLS brand, traces its origins to a German startup founded in 1999 and later acquired in 2012 by South Korea's Hanwha Group. It is headquartered in Seongnam, South Korea, with substantial manufacturing operations in the United States, including a module factory in Cartersville, Georgia. The company holds BloombergNEF Tier 1 bankability status and has reported combined global module production capacity above 11 GW per year, placing it among the larger non-Chinese solar manufacturers. SOMI, by contrast, did not surface in any major industry database, trade publication, or Tier 1 bankability list consulted during research for this comparison, making a symmetric institutional profile impossible to construct. Q-Cells therefore has the considerably stronger institutional footprint of the two.
On the product side, Q-Cells is best known for its proprietary Q.ANTUM cell architecture - a PERC-derived technology the company has marketed since 2012 - and has been actively developing TOPCon-based modules alongside longer-term research into perovskite-silicon tandem cells. Its Q.PEAK DUO and Q.TRON series target premium residential rooftops and mid-scale commercial installations, and carry 25- to 30-year performance warranties backed by a major conglomerate. Because SOMI has no verifiable presence in trade press or recognized installer databases, its product families, dominant cell technology, and warranty terms cannot be reliably characterized here without risking fabrication.
For a typical buyer evaluating these two brands in 2025, Q-Cells is the clearly documentable choice - supported by public financials, domestic US manufacturing, and a long record of independent installer reviews. SOMI's absence from public industry sources means prospective purchasers should treat any claims about it with caution and request certified product datasheets and warranty documentation before committing to any project.
Generated by Claude Sonnet · 2026-06-17
Other brand comparisons
Shop prices: See 23 Q-Cells 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.