MY Solar vs Suntech - solar panel manufacturer comparison
Suntech has the broader catalog (255 vs 140 models). Suntech leads on peak efficiency at 24.80%.
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
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
Suntech skews to higher efficiency: 19% of lineup is 23%+
MY Solar offers more 600W+ panels (21% of lineup)
Dominant cell tech: <strong>PERC</strong> (58%)
Dominant cell tech: <strong>TOPCon</strong> (71%)
The flagships
Written summary
Suntech is a Chinese manufacturer headquartered in Wuxi, Jiangsu, founded in 2001 by Shi Zhengrong; it briefly became the world's largest crystalline-silicon module producer around 2009 before its holding company went bankrupt in 2013. The Wuxi manufacturing entity survived under successive owners, first Shunfeng International Clean Energy and more recently Xiamen C&D Group and Hongyuan Green Energy since 2024, with cumulative historical shipments reported above 55 GW. Suntech states it continues to appear on BloombergNEF's Tier 1 bankability list, though the repeated ownership changes since 2024 are worth flagging when assessing long-term financial stability. MY Solar, also based in Wuxi, is a smaller and younger company, founded in 2010 as MY Solar Technology (MYPVTECH), part of the MY Solar Group; it reports around 3 GW of annual module production alongside inverters, batteries and storage systems, but does not appear in BloombergNEF's Tier 1 rankings or in independent coverage from outlets such as PV Magazine or PV Tech. On institutional footprint, Suntech - despite its turbulent ownership history - clearly has the longer track record and deeper third-party visibility.
Suntech's current portfolio centers on n-type TOPCon modules, including its Ultra V Pro and Ultra X Pro series, aimed at both residential rooftop and commercial and industrial (C&I) installations, and the company is building a 10 GW TOPCon cell facility to support this shift. MY Solar's catalog is broader but shallower in specialization: general crystalline modules spanning a wide power range, plus inverters and battery storage, marketed heavily through trade platforms such as Made-in-China rather than through utility-scale project references, which points to a business model built more around OEM and wholesale supply than branded, large-project deployment.
For a typical buyer, particularly one financing a bank-backed residential or C&I project, Suntech is the safer default thanks to its documented Tier 1 history and TOPCon roadmap, though its recent ownership churn warrants extra due diligence on warranty backing. MY Solar may suit smaller, price-sensitive or off-grid projects where formal bankability matters less, but the two brands are not interchangeable: one carries a documented institutional and technological track record, the other does not.
Generated by Claude Sonnet 5 · 2026-08-18
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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.