Astronergy vs Gamko New Energy - solar panel manufacturer comparison
Gamko New Energy has the broader catalog (255 vs 150 models). Astronergy leads on peak efficiency at 24.80%. Gamko New Energy leans bifacial (81% 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
Astronergy is a global manufacturer and supplier of solar modules, and a subsidiary of Chint Group, one of the world's leading providers of smart energy solutions. The company focuses on the R&D, production, and sales of high-efficiency crystalline silicon PV cells and PV modules. Astronergy has established...
- Founded
- 2006
- Headquarters
- Hangzhou, China
- Annual capacity
- 76+ GW/year
- Employees
- 12000+
- Tier 1 bankable
- Yes
Gamko New Energy is a professional solar module manufacturer with a 10-year experience in production and quality control since 2008. They also provide technical services for solar power plants, including design, installation, and maintenance. In 2018, their production capacity reached 2GW.
- Founded
- 2008
- Headquarters
- Nantong, Jiangsu, China
- Annual capacity
- 1.2 GW/year
- Employees
- 201-300
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
Gamko New Energy skews to higher efficiency: 40% of lineup is 23%+
Astronergy offers more 600W+ panels (40% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (89%)
Dominant cell tech: <strong>TOPCon</strong> (57%)
The flagships
Written summary
Astronergy, the module manufacturing arm of China's Chint Group, was founded in 2006 and is headquartered in Shanghai. It holds BloombergNEF Tier 1 status and ranked among the top six module manufacturers in BNEF's 2023 bankability assessment. By the end of 2024, the company had shipped more than 130 GW of panels globally, and its annual production capacity stands at approximately 56 GW according to 2025 BNEF data. Gamko New Energy, by contrast, is a smaller manufacturer based in Nantong, Jiangsu Province, operating since around 2008. The company reached an annual production capacity of approximately 1.2 GW in 2023 and holds IEC 61215, IEC 61730, CE, and ISO certifications that permit sales into European markets, but no evidence of BloombergNEF Tier 1 recognition has surfaced in independent sources. In terms of institutional footprint and scale, Astronergy operates in a substantially different league.
Astronergy's current product range centers on the Astro N series, which uses n-type TOPCon cell technology in both bifacial and monofacial configurations. The residential-oriented N7s line delivers up to 460 W in compact form factors, while larger-format variants exceed 635 W for utility-scale ground-mount and commercial and industrial deployments. The series spans all major installation categories - residential rooftop, C&I, and utility - and the company received the TaiyangNews Badge of Excellence in 2025, reflecting competitive positioning among global efficiency leaders. Gamko New Energy offers a broader but less prominent lineup spanning PERC and TOPCon modules from a few watts to over 800 W, including flexible and bifacial variants, with an apparent focus on smaller on-grid and off-grid applications and price-sensitive markets.
For most international buyers, whether outfitting a residential rooftop or developing a commercial project, Astronergy is the straightforward default choice. Its bankable status simplifies project finance, its supply chain is proven at scale, and its European market presence is well established. Gamko New Energy is not without merit for budget-constrained buyers seeking certified modules for basic off-grid or small on-grid systems, but the absence of Tier 1 recognition and limited independent coverage add meaningful friction when securing debt financing or planning a future asset transfer. The two brands are not interchangeable at the institutional level.
Generated by Claude Sonnet · 2026-05-14
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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.