GL Solar vs Q-Cells - solar panel manufacturer comparison
Q-Cells has the broader catalog (89 vs 13 models). GL Solar leads on peak efficiency at 23.60%. GL Solar 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
GL Solar Energy s.r.l. is a small Italian company based in Marcianise (Caserta) specializing in the design, production, and installation of photovoltaic systems for residential and industrial applications. The company also distributes solar panels and related equipment, working with major international brands such as...
- Founded
- 2000
- Headquarters
- Marcianise, Italy
- Employees
- 1-10
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
GL Solar skews to higher efficiency: 38% of lineup is 23%+
GL Solar offers more 600W+ panels (77% of lineup)
Dominant cell tech: <strong>HJT</strong> (54%)
Dominant cell tech: <strong>PERC</strong> (43%)
The flagships
Written summary
GL Solar is a small Italian trading company headquartered in Villafranca di Verona that operates primarily as a distributor and rebrander of solar modules rather than as a vertically integrated manufacturer. Panels sold under its name have been sourced from third-party Chinese producers, including units traceable to Austa Energy and Aiko. Because GL Solar does not appear on any BloombergNEF Tier 1 list and has no publicly reported gigawatt-scale production capacity of its own, its bankability for large financed projects is limited. Q-Cells - operating under the full corporate name Hanwha Q CELLS - traces its origins to a German company founded in 1999 that was acquired by South Korean conglomerate Hanwha Group in 2012. Today it holds a confirmed BloombergNEF Tier 1 status, was named an S&P Global Tier 1 clean-technology company for 2025, and operates a US manufacturing hub in Cartersville and Dalton, Georgia, with domestic module capacity reported at over 8 GW. Q-Cells has a significantly stronger institutional footprint at every scale.
On the product side, GL Solar's catalog consists of rebranded commodity modules that can appeal to price-sensitive buyers willing to accept less transparency about the underlying supply chain. Hanwha Q CELLS, by contrast, ships two clearly defined proprietary families: the Q.PEAK DUO line, which uses PERC cell technology and targets cost-conscious residential and commercial buyers, and the Q.TRON series, which is built on N-type TOPCon cells, delivers efficiency ratings confirmed up to around 22.5 percent, and carries an industry-leading 25-year product warranty that covers labor costs on top of materials.
For most buyers in 2025, Q-Cells is the stronger default choice by a wide margin. Its domestic US manufacturing makes it eligible for Inflation Reduction Act incentives, its warranty is clearly enforceable against a major corporation, and its Tier 1 bankability simplifies project financing. GL Solar may suit only buyers where upfront cost is the sole criterion and they have independently verified the credentials of the underlying source manufacturer.
Generated by Claude Sonnet · 2026-06-10
Other brand comparisons
Shop prices: See 2 GL Solar offers · See 24 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.