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Astronergy vs DAH Solar - solar panel manufacturer comparison

Astronergy
China Founded 2006 Tier 1
Read the Astronergy review
VS
DAH Solar
China Founded 2009 Tier 1
Read the DAH Solar review
At a glance

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.

Panel models
150 363
Highest power
735 Wp 725 Wp
Best efficiency
24.8% 23.3%
Average efficiency
22.7% 22.1%
Bifacial share
69% 87%
Average warranty
30 yrs 29 yrs
01

The two companies

Company facts, not datasheet figures
Astronergy

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

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
02

Catalogue against catalogue

Averages over every model in the database
Metric Astronergy DAH Solar
Catalog & Power
Panel Models 150 363+213
Max Power 735 W+10 W 725 W
Avg Power 540 W+19 W 520 W
Efficiency
Max Efficiency 24.80%+1.46 pp 23.34%
Avg Efficiency 22.71%+0.60 pp 22.10%
Reliability & Warranty
Avg Temp Coefficient -0.293%/°C+0.005 -0.299%/°C
Bifacial Share 104 (69%) 316 (87%)+18 pp
Avg Warranty 29.6 yrs+0.2 yr 29.4 yrs

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Astronergy skews to higher efficiency: 39% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Astronergy offers more 600W+ panels (40% of lineup)

Astronergy cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (89%)

DAH Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (88%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

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

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

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.