GCL vs Solar N Plus - solar panel manufacturer comparison
GCL has the broader catalog (232 vs 149 models). GCL leads on peak efficiency at 24.50%.
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
GCL is a global company focusing on green energy and high-efficiency photovoltaic materials. They are known for their innovation in polysilicon and wafer technologies, with a focus on low-carbon solutions. GCL is committed to building a low-carbon PV value chain and advancing global clean energy transformation.
- Founded
- 1990
- Headquarters
- Suzhou/Hong Kong, China
- Annual capacity
- 30+ 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
GCL skews to higher efficiency: 28% of lineup is 23%+
GCL offers more 600W+ panels (44% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (47%)
Dominant cell tech: <strong>TOPCon</strong> (56%)
The flagships
Written summary
GCL is a Chinese solar manufacturer operating under the GCL System Integration Technology brand and holding one of the largest production footprints in the global photovoltaics industry. The company's annual module capacity exceeds 30 GW, supported by manufacturing sites in China and Vietnam and further expansion under way. GCL has a consistent presence on Tier 1 bankability lists and has been recognized as a top performer by PV Evolution Labs, making it a well-established choice for project finance. Solar N Plus, also headquartered in China, is a vertically integrated manufacturer that has built combined cell and module capacity of approximately 20 GW across five production bases in Anhui, Yunnan, and Jilin provinces in China, as well as in Laos and Indonesia. On the measure of institutional track record, GCL holds a clear advantage.
GCL addresses residential rooftop, commercial and industrial, and utility-scale ground-mount segments through its GEMINI and LOTUS product series, both built around n-type TOPCon cell technology. Independent testing has confirmed module-level efficiency of around 23.5% for recent GCL TOPCon products. Solar N Plus similarly centers its entire product strategy on n-type TOPCon, receiving SGS certification for its 182 TOPCon cell in 2023 and reporting Dun and Bradstreet creditworthiness at 5AA1 as of 2024. The company claims cell-level test efficiencies in the 26.3-26.5% range and targets all three market segments, though publicly available independent module-level validation at scale is less extensive than what exists for GCL. Solar N Plus does not appear prominently in the BloombergNEF Tier 1 lists reviewed for this comparison.
For buyers where project finance or lender requirements demand a bankable module supplier with a long international track record, GCL is the more defensible default. Solar N Plus is a credible option for cost-sensitive or self-financed projects where cutting-edge TOPCon technology matters more than institutional name recognition. The two brands are not fully interchangeable in financed utility-scale contexts, but for smaller commercial or residential buyers the choice may come down to local distributor support and price rather than fundamental technology differences.
Generated by Claude Sonnet · 2026-05-27
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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.