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DMEGC vs Suntech - solar panel manufacturer comparison

DMEGC
China Founded 1980 Tier 1
Read the DMEGC review
VS
Suntech
China Founded 2001 Tier 1
Read the Suntech review
At a glance

Suntech has the broader catalog (255 vs 150 models). Suntech leads on peak efficiency at 24.80%. DMEGC leans bifacial (73% 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
150 255
Highest power
720 Wp 735 Wp
Best efficiency
23.5% 24.8%
Average efficiency
21.4% 21.8%
Bifacial share
73% 45%
Average warranty
30 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
DMEGC

DMEGC Solar, founded in 1980, is a global provider of renewable energy solutions, specializing in high-efficiency solar panels for residential, commercial, and utility-scale projects. The company has six manufacturing bases and is known for its integrated supply chain, from wafers to modules. DMEGC Solar is committed...

Founded
1980
Headquarters
Dongyang, Zhejiang Province, China
Annual capacity
21 GW/year
Employees
18,831
Tier 1 bankable
Yes
Suntech
Founded
2001
Headquarters
Wuxi, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric DMEGC Suntech
Catalog & Power
Panel Models 150 255+105
Max Power 720 W 735 W+15 W
Avg Power 476 W 505 W+29 W
Efficiency
Max Efficiency 23.50% 24.80%+1.30 pp
Avg Efficiency 21.39% 21.76%+0.37 pp
Reliability & Warranty
Avg Temp Coefficient -0.291%/°C+0.024 -0.316%/°C
Bifacial Share 109 (73%)+28 pp 114 (45%)
Avg Warranty 30.0 yrs+1.6 yr 28.4 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

DMEGC skews to higher efficiency: 21% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Suntech offers more 600W+ panels (20% of lineup)

DMEGC cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (73%)

Suntech cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (71%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

DMEGC is a Chinese manufacturer operating under the Hengdian Group conglomerate, holding Tier 1 status from both S&P Global and BloombergNEF. The company operates module production capacity of approximately 21 GW per year and recorded shipments of 13.4 GW in the first half of 2025 alone - a 64 percent year-on-year increase - firmly placing it among the global top ten module suppliers, with manufacturing bases across multiple Chinese provinces and one facility in Southeast Asia. Suntech is also Chinese, founded in 2001 in Wuxi; after a significant financial restructuring that followed its 2013 bankruptcy, the company rebuilt its market presence and maintains BloombergNEF Tier 1 bankable status, with shipments of roughly 10 GW recorded in 2023. On the basis of scale and institutional standing, DMEGC holds the stronger position today.

DMEGC's current lineup is anchored in N-type TOPCon technology. Its flagship Infinity Series reaches up to 720 Wp with module efficiencies up to 23.3 percent, and the broader portfolio spans lightweight bifacial panels designed for residential rooftops with restricted load capacity, all-black aesthetic modules aimed at commercial and industrial rooftops, and large-format panels suited to utility-scale ground-mount and agrivoltaic deployments. Suntech covers a comparable range of power classes from 395 W to 720 W, addressing residential, commercial, and utility segments. The company has adopted TOPCon as its primary cell technology while retaining some PERC products in its catalog; a noteworthy structural shift is that since 2023 Suntech no longer manufactures solar cells in-house but sources them from third-party suppliers, reducing its vertical integration relative to peers.

For buyers prioritizing manufacturing scale, supply-chain depth, and the most current bankability credentials, DMEGC is the stronger default. Suntech is a credible and bankable alternative with a wide product range and a notably long average performance warranty of 29 years, but its smaller shipment volumes and exit from cell production give it a narrower technological moat. For standard residential or commercial rooftop projects where both brands are available at comparable pricing, the two are broadly interchangeable; however, in project-finance contexts or large procurement tenders, DMEGC's dual Tier 1 certification and recent shipment trajectory give it a clear advantage.

Generated by Claude Sonnet · 2026-07-23

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 83 DMEGC offers · See 25 Suntech 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.