Growatt vs Q-Cells - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 1 models). Q-Cells leads on peak efficiency at 23.20%. Q-Cells leans bifacial (39% 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%+
Q-Cells offers more 600W+ panels (19% of lineup)
Dominant cell tech: <strong>PERC</strong> (100%)
Dominant cell tech: <strong>PERC</strong> (43%)
The flagships
Written summary
Growatt is a Chinese manufacturer headquartered in Shenzhen, founded in 2010, and is best known globally as the world's leading residential solar inverter supplier - a position confirmed by Wood Mackenzie data for multiple years through 2024. The company has expanded its portfolio to include solar panels and battery storage, serving customers in more than 180 countries, but its primary identity remains that of a power-electronics firm rather than a module manufacturer. Hanwha Q CELLS traces its roots to a German cell-technology pioneer acquired by South Korea's Hanwha Group; it holds confirmed BloombergNEF Tier 1 bankability status and operates the largest solar manufacturing footprint in the Western Hemisphere, with facilities in Dalton and Cartersville, Georgia, reaching a combined module output of roughly 8.4 GW per year in the US alone. On institutional footprint, Q CELLS carries a clear advantage as a dedicated, bankable panel manufacturer with a traceable supply chain.
As a panel maker, Growatt targets the value-oriented residential and small commercial segment, offering modules that pair conveniently with its own inverter ecosystem. Independent reviews consistently position Growatt panels as a budget-friendly choice rather than a performance leader; specific efficiency or technology-generation claims in marketing should be verified against independent test data before purchase. Q CELLS, by contrast, has built its residential and light-commercial reputation around its proprietary Q.ANTUM NEO cell platform, a TOPCon-based technology confirmed by the company and industry press, with panel efficiencies reaching above 22.5 percent in its Q.TRON G2 line. SolarReviews ranked Q CELLS third among all panel brands for 2025, citing competitive pricing relative to premium peers, a 25-year product warranty, and strong domestic US availability.
For most buyers in 2025 choosing a standalone solar panel - especially for a residential rooftop in the US or Europe - Q CELLS is the stronger default: it offers confirmed Tier 1 bankability, verified high-efficiency TOPCon modules, and robust warranty support. Growatt panels make more sense when a buyer is already committed to Growatt inverters and wants a tightly integrated system from a single vendor at lower upfront cost.
Generated by Claude Sonnet · 2026-06-11
Other brand comparisons
Shop prices: See 2 Growatt offers · See 25 Q-Cells 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.