Trina Solar vs VSUN - solar panel manufacturer comparison
Trina Solar has the broader catalog (340 vs 111 models). Trina Solar leads on peak efficiency at 24.80%. VSUN leans bifacial (75% 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
- Founded
- 1997
- Headquarters
- Changzhou, China
- 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
Trina Solar skews to higher efficiency: 22% of lineup is 23%+
Trina Solar offers more 600W+ panels (34% of lineup)
Dominant cell tech: <strong>TOPCon</strong> (73%)
Dominant cell tech: <strong>TOPCon</strong> (72%)
The flagships
Written summary
Trina Solar is a Chinese manufacturer founded in 1997 and headquartered in Changzhou, Jiangsu Province. It ranks among the world's three largest solar module suppliers by shipment volume, having delivered approximately 77 GW of panels in 2024 and surpassed 205 GW in cumulative global deliveries. The company has maintained BloombergNEF Tier 1 status across consecutive quarters, reconfirming it in both Q1 and Q2 2025, and carries an annual module production capacity reported at around 120 GW. VSUN Solar is a markedly smaller player: headquartered in Tokyo and founded in 2015, it manufactures in Vietnam and achieved BNEF Tier 1 status in Q1 2025 - a meaningful milestone for a younger entrant, though its annual production capacity is estimated at only roughly 3 to 4 GW. On overall institutional footprint - supply chain depth, financing track record, and global service reach - Trina Solar holds a clear and substantial advantage.
Trina Solar's flagship is the Vertex series, built on large-format 210 mm wafers and fully transitioned to N-type TOPCon cell architecture. The lineup spans residential rooftops via the Vertex S+, commercial and industrial buildings, and utility-scale ground-mount projects - the latest Vertex N Ultra delivers 760 W at 24.5% efficiency. VSUN markets N-type TOPCon modules in bifacial, multi-busbar half-cell configurations, reporting peak efficiencies up to 22.65% and offering a 30-year linear performance warranty that exceeds common industry standards. Its catalog targets residential and small commercial installers and is distributed across Europe, Asia, and North America.
For utility-scale developers, project financiers, and large commercial buyers, Trina Solar is the default choice: its production scale, consistent bankability record, and breadth of product options are unmatched at this level. For residential or small C&I installations, VSUN is a credible alternative - its N-type TOPCon technology, warranty terms, and BNEF Tier 1 recognition all support a serious evaluation - but buyers should weigh its shorter market history and smaller service footprint against those strengths. The two brands are not interchangeable at scale; at the level of a single rooftop system, an installer familiar with VSUN can reasonably consider either option.
Generated by Claude Sonnet · 2026-05-14
Other brand comparisons
Shop prices: See 219 Trina Solar offers · See 4 VSUN 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.