Q-Cells vs Solar Power Vietnam - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 5 models). Q-Cells leads on peak efficiency at 23.20%. Solar Power Vietnam leans bifacial (100% 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%+
Solar Power Vietnam offers more 600W+ panels (100% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
Dominant cell tech: <strong>TOPCon</strong> (100%)
The flagships
Written summary
Q-Cells (officially Hanwha Q CELLS) originated in Germany in 1999 and was acquired by South Korea's Hanwha Group in 2012, since when it has become one of the most recognized module brands globally. Its largest production hub is in Dalton, Georgia, with an annual capacity of approximately 8.4 GW - the largest solar manufacturing facility in the Western Hemisphere. Q-Cells holds a Top Tier BloombergNEF bankability ranking, scoring 91% in its most recent survey. Solar Power Vietnam Technology JSC is a considerably smaller, regional manufacturer headquartered in Ho Chi Minh City, Vietnam, with a catalog that tops out at roughly 320 W per panel and relies on cells sourced from third-party suppliers rather than in-house cell production. No BNEF Tier 1 designation has been identified for the brand. By any institutional measure, Q-Cells carries a significantly stronger global footprint.
Q-Cells' mainstream residential line centers on Q.TRON modules built on N-type TOPCon cells under its Q.ANTUM NEO platform, reaching efficiencies above 22.5% and temperature coefficients as low as -0.29%/C - a meaningful advantage in hot-climate markets such as the U.S. Sun Belt. Its catalog also spans commercial and light-industrial rooftop segments. Solar Power Vietnam targets conventional mono- and polycrystalline applications for smaller domestic and off-grid installations across Southeast Asia. Its comparatively low wattage ceiling points to distributed, entry-level, or rural electrification use cases rather than the premium residential or utility-scale segments where Q-Cells competes.
For most buyers evaluating panels in 2025, Q-Cells is the clear default choice for any project requiring Tier 1 credentials, long-term warranty security, or access to project finance, and its U.S.-based manufacturing aligns with domestic content incentives. The company has also secured IEC and UL certifications for perovskite-silicon tandem cells at 28.6% efficiency, with mass production targeted for 2027. Solar Power Vietnam may be a pragmatic, cost-sensitive option for small off-grid or community projects within Southeast Asia where regional distribution provides a logistical edge, but the two brands serve fundamentally different market tiers and are not interchangeable for serious commercial or residential buyers.
Generated by Claude Sonnet · 2026-06-03
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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.