SolarWorld vs Trina Solar - solar panel manufacturer comparison
Trina Solar has the broader catalog (340 vs 0 models). Trina Solar leans bifacial (43% 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
SolarWorld AG was a German photovoltaic manufacturer and one of the largest solar panel producers in the Western world, covering the full value chain from polysilicon feedstock to finished modules. The company operated major manufacturing plants in Freiberg, Germany and Hillsboro, Oregon, USA, and was once a leading...
- Founded
- 1998
- Headquarters
- Bonn, Germany
- Annual capacity
- 1-2 GW/year
- Employees
- 3000-5000
- 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%)
The flagships
Written summary
SolarWorld was a German solar manufacturer headquartered in Bonn, incorporated as SolarWorld AG in 1998 and for nearly two decades regarded as one of Europe's most prominent module producers. The company filed for insolvency in May 2017, citing persistent price erosion and an inability to project a viable financial future. A restructured entity, SolarWorld Industries GmbH, emerged briefly but filed for insolvency again in March 2018. As of 2025, SolarWorld is no longer an active manufacturer, carries no current BloombergNEF Tier 1 status, and offers no active factory warranty support for new installations. Trina Solar, by contrast, is a Chinese manufacturer that has maintained consistent BloombergNEF Tier 1 bankability and, according to Q2 2025 data, operates at approximately 100 GW of annual production capacity, placing it among the top four global module suppliers alongside Jinko Solar, LONGi, and JA Solar. On institutional footprint and supply-chain depth, Trina Solar has no meaningful competitor from SolarWorld in this comparison.
SolarWorld built its reputation on monocrystalline PERC modules and was an early mover in bifacial PERC cell development; however, that product catalog is no longer commercially available with active manufacturer backing. Trina Solar's current lineup is anchored in N-type TOPCon technology across all market segments. The Vertex S+ series targets residential rooftop and commercial rooftop applications with module power outputs confirmed by pv-magazine at up to 485 W and efficiencies reaching 24.3%. For utility-scale ground-mount projects, the Vertex N and high-power Vertex NEG series deliver up to 760 W per module with independently validated efficiencies of up to 24.5-24.8%, and the company has secured the world's first UL 61730 certification for 2000 V modules in the 210 mm format, reducing balance-of-system costs on large sites.
For any international buyer evaluating these two names today, the comparison is not between two competing active brands. SolarWorld exists only as a legacy reference; Trina Solar is a fully operational, bankable manufacturer with a documented global track record, active technical support, and a broad product range suited to residential, commercial, and utility-scale deployment. The practical verdict is straightforward: Trina Solar is the only viable choice of the two for a new procurement decision.
Generated by Claude Sonnet · 2026-07-07
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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.