Q-Cells vs Sun Earth - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 60 models). Sun Earth leads on peak efficiency at 23.80%. Sun Earth leans bifacial (63% 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
Sun Earth skews to higher efficiency: 37% 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> (82%)
The flagships
Written summary
Q-Cells - formally marketed as Hanwha Q CELLS - began as a German startup in 1999 and was acquired by South Korea's Hanwha Group in 2012, giving it the financial backing of one of Korea's largest conglomerates. The brand consistently appears on BloombergNEF's Tier 1 bankability list, placing it among the most institutionally trusted names in solar. Its manufacturing footprint is unusually diversified for a non-Chinese brand: it operates the largest solar production complex in the Western Hemisphere across facilities in Dalton and Cartersville, Georgia, with the Cartersville plant alone rated for 3.3 GW of annual module output, while global cell capacity exceeds 12 GW. Sun Earth, by contrast, is a smaller Chinese manufacturer with a catalog of roughly ten panel models; it does not appear on publicly cited Tier 1 lists and carries a more limited institutional track record, though independent aggregators such as ComparePV cover it as a mid-market option. On institutional footprint, Q-Cells holds a clear advantage.
Q-Cells' flagship lines center on its proprietary Q.ANTUM NEO cell architecture, an N-type technology delivering efficiencies up to 22.5% and a temperature coefficient as low as -0.29%/°C - making it particularly competitive in hot climates such as the US Sun Belt. The range spans premium residential rooftops through mid-size commercial installations, and the brand is routinely quoted by certified installers across the US, Europe, and Australia. Sun Earth skews toward bifacial ground-mount and commercial projects, with roughly 90% of its catalog reported as bifacial and the majority using TOPCon cell technology; top-model efficiency is cited near 22.4%, close to Q-Cells, and the brand advertises a 30-year performance warranty - longer than Q-Cells' standard 25-year product warranty.
For most buyers in 2025 - residential or light commercial, prioritizing bankable warranties and broad installer support - Q-Cells is the more pragmatic default. Sun Earth may suit price-sensitive ground-mount or larger commercial projects where bifacial yield and a longer stated performance warranty carry more weight, provided the buyer can confirm local service support and installation availability.
Generated by Claude Sonnet · 2026-07-09
Other brand comparisons
Shop prices: See 24 Q-Cells offers · See 11 Sun Earth 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.