Q-Cells vs Sunplus - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 11 models). Sunplus leads on peak efficiency at 24.10%. Sunplus 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
Sunplus skews to higher efficiency: 55% of lineup is 23%+
Sunplus offers more 600W+ panels (64% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
Dominant cell tech: <strong>HJT</strong> (55%)
The flagships
Written summary
Q-Cells is a solar panel brand owned by Hanwha Group, a South Korean industrial conglomerate that acquired the originally German Q-Cells company in 2012. Operating as Hanwha Q CELLS, it holds a long-standing Tier 1 designation from BloombergNEF, reflecting consistent bankability with international project finance institutions. Its U.S. manufacturing footprint spans facilities in Dalton and Cartersville, Georgia, representing more than 8 GW of annual module capacity - the largest silicon solar manufacturing base in the Western Hemisphere. Sunplus, operating as Sunplus Optimum Inc., is a newer and considerably smaller brand that has been building its presence in the Americas, Latin America, and Caribbean markets; no current BloombergNEF Tier 1 listing was found for the brand. On institutional footprint and financial credibility, Q-Cells holds a clear advantage.
Q-Cells markets its Q.ANTUM NEO line - panels reaching above 22.5% efficiency using a proprietary variant of TOPCon cell architecture - toward premium residential and commercial rooftops, as well as larger project deployments where lender-grade warranties and domestic supply-chain traceability matter. Its 25-year product warranty is a frequently cited differentiator among installers and EPCs. Sunplus pitches bifacial, dual-glass PERC modules rated around 21.5% efficiency as a cost-competitive option across residential, commercial, and utility-scale segments in the Americas, positioning itself as an accessible entry point for contractors seeking volume pricing.
For most buyers in 2025, Q-Cells is the lower-risk default: its Tier 1 bankability, substantial domestic manufacturing, and multi-decade track record make it easier to finance, insure, and warranty over a panel's lifetime. Sunplus may suit budget-conscious buyers or developers in markets where Q-Cells distribution is limited, but its smaller scale and the absence of confirmed Tier 1 status introduce greater counterparty uncertainty over a 25-year product lifespan.
Generated by Claude Sonnet · 2026-06-11
Other brand comparisons
Shop prices: See 25 Q-Cells offers · See 7 Sunplus 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.