Selfa vs Trina Solar - solar panel manufacturer comparison
Trina Solar has the broader catalog (340 vs 34 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
- 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>PERC</strong> (74%)
Dominant cell tech: <strong>TOPCon</strong> (73%)
The flagships
Written summary
Selfa is a Polish manufacturer headquartered in Szczecin, with industrial roots dating to 1932, though its photovoltaic module production line - built using Japanese NPC automation technology - launched only in 2012. The company is 100% Polish-owned, operates at a regional rather than multi-gigawatt scale, and does not appear on BloombergNEF Tier 1 bankability lists. Trina Solar, founded in 1997 and headquartered in Changzhou, China, ranks among the largest PV module manufacturers in the world, with module production capacity reported at approximately 95 GW per year and a stated target of 120 GW by end of 2025. Trina Solar holds confirmed Tier 1 BNEF status as of Q1 2025, giving it a substantially stronger institutional footprint for project financing worldwide.
Selfa's portfolio is primarily oriented toward residential rooftop installations and small commercial applications within Poland. Its modules carry VDE and KIWA Cermet Italia certifications, and the company maintains a local distribution and service network that simplifies warranty claims for Polish end-users. The brand does not address the utility-scale ground-mount segment in any meaningful way. Trina Solar serves three distinct market tiers with dedicated product families: a residential line in the Vertex N range (around 495 W), a commercial and industrial offering (around 670 W), and the flagship Vertex N i-TOPCon Ultra series for utility-scale projects, with a leading module rated at 760 W and a confirmed cell efficiency of 24.5%. TOPCon cell technology underpins Trina Solar's current generation across all segments.
For an international buyer or a project developer requiring bankable, scalable supply, Trina Solar is the clear default - backed by global logistics, broad certification coverage, and a documented track record across all market tiers. Selfa is the more compelling choice specifically for Polish residential buyers who value domestic sourcing, local-language support, and straightforward in-country warranty service. The two brands are not meaningfully interchangeable in commercial or project-finance contexts, given the substantial gap in scale, technology breadth, and global institutional recognition.
Generated by Claude Sonnet · 2026-06-04
Other brand comparisons
Shop prices: See 7 Selfa offers · See 248 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.