Q-Cells vs Solarspace - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 82 models). Q-Cells leads on peak efficiency at 23.20%. Solarspace leans bifacial (93% 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
SolarSpace is a world-leading solar cell and module manufacturer, focusing on high-efficiency solar technology production both in China and overseas. They are among the top solar cell manufacturers, providing high-quality solar modules with core cell technology worldwide. SolarSpace is dedicated to empowering solar...
- Founded
- 2011
- Headquarters
- Xuzhou, China
- Annual capacity
- 60+ GW/year
- Employees
- 6000+
- 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
Solarspace skews to higher efficiency: 4% of lineup is 23%+
Solarspace offers more 600W+ panels (33% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
Dominant cell tech: <strong>N-type</strong> (70%)
The flagships
Written summary
Q-Cells is the consumer-facing brand of Hanwha Q CELLS, a division of South Korea's Hanwha Group, which acquired the original German Q-Cells company - founded in 1999 in Bitterfeld-Wolfen, Germany - in 2012. The brand holds a consistent position on BloombergNEF's Tier 1 bankability list and operates the largest solar manufacturing complex in the Western Hemisphere in Dalton, Georgia, with a U.S. module facility in Cartersville targeting roughly 3.3 GW of annual capacity. Solarspace is a Chinese manufacturer founded in 2011 that has grown into a major cell supplier - PV InfoLink ranked it second globally in solar cell shipments in 2024 - with reported n-type cell production capacity exceeding 40 GW and around 6 GW of module output capacity. Solarspace rejoined the BNEF Tier 1 module list in Q2 2024, after a period off the list. In terms of established institutional footprint in Western retail markets, Q-Cells carries the stronger name recognition.
On product positioning, Q-Cells focuses on premium residential and commercial rooftop installations across North America, Europe, and Australia. Its Q.ANTUM NEO line is built on TOPCon cell architecture, reaching efficiencies above 22% and a notably low temperature coefficient that benefits hot-climate installations, and it is backed by a 25-year product warranty. Solarspace's portfolio spans a wider power range suited to both residential and utility-scale ground-mount applications, and the company is actively expanding into HJT-based modules as part of a broader N-type strategy. Its commercial center of gravity, however, remains cell supply to other manufacturers rather than branded end-consumer module sales.
For a typical residential or small commercial buyer in 2025, Q-Cells is the more practical default: it has deeper distributor networks in North America and Europe, a documented third-party review record, and a more predictable warranty-service infrastructure. Solarspace is a credible option for project developers sourcing directly at scale, particularly where cost-per-watt is the primary driver and the buyer is comfortable engaging a brand whose reputation is stronger on the cell side than in branded retail.
Generated by Claude Sonnet · 2026-06-11
Other brand comparisons
Shop prices: See 25 Q-Cells offers · See 5 Solarspace 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.