Astronergy vs DAH Solar - solar panel manufacturer comparison
DAH Solar has the broader catalog (363 vs 150 models). Astronergy leads on peak efficiency at 24.80%. DAH Solar leans bifacial (87% 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
DAH Solar is an innovation-driven and technology-leading company specializing in PV product manufacturing. They focus on R&D, manufacturing, and sales of high-efficiency PV modules, integrated PV systems, and solar energy storage systems. DAH Solar is known for its patented Full-Screen PV Module and SolarUnit...
- Founded
- 2009
- Headquarters
- Hefei, China
- Annual capacity
- 10 GW/year
- Employees
- 2000+
- 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
Astronergy skews to higher efficiency: 39% 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> (88%)
The flagships
Written summary
Astronergy and DAH Solar are both Chinese Tier 1 bankable solar panel manufacturers, but they differ significantly in scale and market standing. Astronergy, founded in 2006 as a subsidiary of the Chint Group, employs over 12,000 people and boasts a production capacity exceeding 76 GW, placing it firmly among the global top-ten module producers - the company shipped approximately 40 GW in 2024, ranking sixth worldwide. DAH Solar, established in 2009, is a considerably smaller player with a workforce of over 2,000 and a production capacity of 10 GW, though it continues to hold its position on BloombergNEF's Tier 1 list. Both manufacturers are headquartered in China and have established distribution networks across Europe, but Astronergy has the deeper European footprint, having earned TOP Brand PV recognition in Germany and Italy in 2024 and operating a 1 GW module factory in Turkey to serve European demand more efficiently.
On the technology side, both companies have made TOPCon their dominant cell technology - it accounts for 72.8% of Astronergy's portfolio and 79.6% of DAH Solar's. Astronergy edges ahead on peak and average efficiency, with a maximum of 24.1% versus 23.34% for DAH Solar, and a portfolio average of 22.57% versus 22.10%. Its temperature coefficient of -0.295%/°C per Pmax is also marginally better than DAH Solar's -0.299%/°C. For residential rooftop and commercial C&I installations where a well-recognized brand and high peak efficiency matter most, Astronergy is a strong choice. DAH Solar's standout differentiator is its bifacial share - 87% of its 363-panel portfolio is bifacial, compared to 66% across Astronergy's 136 models. This breadth makes DAH Solar particularly well suited for utility-scale ground-mount projects, agri-PV installations, and any application where bifacial gain is a key design parameter. DAH Solar's patented Full-Screen frameless double-glass modules also offer enhanced durability in harsh environments.
For international buyers choosing between the two, Astronergy is the lower-risk option for mainstream residential and commercial deployments given its larger scale, stronger brand recognition, and slightly superior efficiency ratings. DAH Solar represents a compelling alternative for project developers focused on bifacial-heavy utility-scale pipelines or seeking a wider product catalog - provided that local distributor support and bankability conditions are confirmed for the specific market.
Generated by Claude Sonnet · 2026-05-13
Other brand comparisons
Shop prices: See 36 Astronergy offers · See 11 DAH Solar 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.