Solaria vs Trina Solar - solar panel manufacturer comparison
Trina Solar has the broader catalog (340 vs 27 models). Trina Solar leads on peak efficiency at 24.80%. 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
Solaria is a leading European company focused on developing and generating solar photovoltaic energy. The company aims to contribute to decarbonization by creating a global energy model based on clean energy. Solaria specializes in the implementation and development of solar photovoltaic technology, from manufacturing...
- Founded
- 2002
- Headquarters
- Madrid, Spain
- Annual capacity
- 1.658 GW/year
- Employees
- 235
- 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> (19%)
Dominant cell tech: <strong>TOPCon</strong> (73%)
The flagships
Written summary
Trina Solar is a Chinese photovoltaic module manufacturer founded in December 1997 by Gao Jifan and headquartered in Changzhou, Jiangsu Province. It is one of the largest solar manufacturers in the world by shipment volume, having surpassed 225 GW in cumulative module deliveries by early 2025. The company holds BloombergNEF Tier 1 bankability status, reaffirmed in the Q2 2025 ranking, making its products eligible for non-recourse project financing at institutional scale. Solaria is an American manufacturer founded in 1999 and historically headquartered in Fremont, California. It has never appeared on the BloombergNEF Tier 1 list. In 2022 Solaria merged with Complete Solar to form Complete Solaria, and in 2024 the combined entity acquired certain SunPower assets and rebranded under the SunPower name - warranty services for Solaria products have been administered by SunPower since June 2025. In terms of institutional footprint and global scale, Trina Solar carries considerably more weight.
Trina Solar addresses the full market spectrum: residential rooftop, commercial and industrial (C&I), and utility-scale ground-mount projects. Its current flagship lines - the Vertex S+ and Vertex N series - use N-type TOPCon cell technology (proprietary i-TOPCon), with large-format 210 mm modules exceeding 700 W and a cell efficiency world record of 26.58% confirmed in independent testing. Solaria built its identity around a patented shingled cell design - cells sliced into strips and layered like roof tiles - which improved shade tolerance and delivered a seamless all-black aesthetic well suited to premium residential rooftop installations. The company sold those shingled-cell patents to Maxeon Solar in September 2023, and given the subsequent corporate transitions, the long-term product roadmap under the SunPower umbrella remains less certain.
For most buyers - whether a homeowner, a C&I developer, or a project financier - Trina Solar is the lower-risk default. It offers confirmed bankability, a mature supply chain, broad European and global distribution, and a clearly defined technology roadmap built on TOPCon. Solaria's legacy technology was genuinely innovative, but the ongoing corporate restructuring introduces uncertainty that is difficult to justify when a Tier 1 alternative is readily available at competitive prices.
Generated by Claude Sonnet · 2026-06-05
Other brand comparisons
Shop prices: See 1 Solaria offer · See 242 Trina 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.