Q-Cells vs Solar-Fabrik - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 43 models). Solar-Fabrik leads on peak efficiency at 24.27%. Solar-Fabrik 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
Solar Fabrik is a German family-owned manufacturer of photovoltaic modules, specializing in high-quality glass-glass panels with N-TYPE/TOPCon technology and a 30-year product and performance warranty. Originally founded in Freiburg in 1996 as Solar-Fabrik AG, the brand was revived in 2016 after insolvency and...
- Founded
- 1996
- Headquarters
- Laufach, Germany
- Annual capacity
- <1 GW/year
- Employees
- 50-200
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
Solar-Fabrik skews to higher efficiency: 49% of lineup is 23%+
Q-Cells offers more 600W+ panels (19% of lineup)
Dominant cell tech: <strong>PERC</strong> (43%)
Dominant cell tech: <strong>TOPCon</strong> (63%)
The flagships
Written summary
Q-Cells, operating today as Hanwha Q CELLS, is a South Korean-owned solar manufacturer whose roots trace back to the Q-Cells AG founded in Germany in 1999. Acquired by South Korea's Hanwha Group in 2012, it has grown into one of the largest solar producers in the world, with annual module shipments expected to exceed 9 GW globally in 2025 and a US manufacturing footprint of 8.4 GW across two facilities in Georgia. The company holds Bloomberg Tier 1 status, confirming its bankability for project finance. Solar-Fabrik is a much smaller German brand founded in Freiburg im Breisgau in 1996; its original corporate entity filed for insolvency in 2015, and the brand was revived in 2016 under new ownership as Solar Fabrik GmbH. Since 2018 its panels have been manufactured by contract producers in China, and in May 2025 the company broke ground on a new 300 MW domestic factory in Hosbach, Bavaria. No current Bloomberg Tier 1 or equivalent bankability designation has been confirmed for Solar-Fabrik. On the basis of verified institutional scale and finance-community recognition, Q-Cells carries the significantly stronger footprint.
In terms of product families, Q-Cells addresses the full spectrum - residential rooftop systems, commercial installations, and utility-scale ground mounts. Its panels are built around Q.ANTUM and Q.ANTUM DUO PERC cell technology, with newer lines extending into TOPCon. Efficiency ratings across its residential and commercial lines have been reported between roughly 20% and 23.7% for premium models. Solar-Fabrik targets the European residential and small commercial segment; its planned new factory is designed around N-type TOPCon and heterojunction technology, though series production at that facility was not yet underway as of mid-2025.
For a typical buyer in 2025, Q-Cells is the clearer default choice. It offers confirmed bankability, deep warranty support, and a broad, well-tested product portfolio spanning every market segment. Solar-Fabrik's renewed commitment to German domestic manufacturing is a genuine positive development, but until the new factory reaches full production and the company establishes a track record under its revived brand, it remains a niche option rather than a mainstream recommendation.
Generated by Claude Sonnet · 2026-06-13
Other brand comparisons
Shop prices: See 25 Q-Cells offers · See 13 Solar-Fabrik 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.