DAH vs Gamko New Energy - solar panel manufacturer comparison
Gamko New Energy has the broader catalog (255 vs 0 models). 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
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%+
Gamko New Energy offers more 600W+ panels (23% of lineup)
Dominant cell tech: TOPCon (57%)
The flagships
Written summary
DAH Solar and Gamko New Energy are both Chinese solar module manufacturers, but they occupy noticeably different positions in the global market. DAH Solar, founded in 2009 and headquartered in Hefei, has established itself as a recognized mid-tier global player with a BloombergNEF Tier 1 bankable status, module production capacity of 10 GW, and distribution across more than 120 countries, with Europe and Latin America being its primary export markets. Gamko New Energy, founded one year earlier in 2008 and based in Nantong, operates at a considerably smaller scale - annual production capacity stands at 1.2 GW and the company employs between 201 and 300 people. Gamko does not appear on the BNEF Tier 1 list, which is a material consideration for project financing and bankability assessments.
On the technology side, DAH Solar has made a clear strategic commitment to TOPCon, which accounts for 81.18% of its 356-panel portfolio. The average module efficiency sits at 22.13%, with a peak of 23.34%, and the bifacial share reaches 88.76% - making DAH a strong fit for residential rooftop installs, commercial C&I projects, and utility-scale ground-mount systems where bifacial gain and long-term bankability matter. The average temperature coefficient of -0.298%/°C is also notably better than Gamko's -0.332%/°C, meaning DAH modules retain more output on hot days. Gamko's 255-panel catalog is more technologically mixed: PERC is still the leading technology at roughly 51% of the range, though the company also offers TOPCon modules that reach a headline efficiency of 24.14% and a maximum power output of 750 Wp - the highest peak figure between the two. Gamko's average module power of 500 Wp and average efficiency of 22.06% trail DAH slightly, while its 30-year average warranty is marginally longer.
For international buyers and project developers selecting between the two, DAH Solar is the lower-risk choice for any project requiring bankability, institutional financing, or verifiable supply-chain depth - its Tier 1 status, scale, and TOPCon-led portfolio support all three. Gamko New Energy may be worth considering for cost-sensitive off-grid applications or smaller installations where Tier 1 certification is not a prerequisite, provided buyers conduct thorough due diligence on supply reliability and after-sales support given the company's smaller footprint.
Generated by Claude Sonnet · 2026-05-12
Other brand comparisons
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.