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Corab vs Trina Solar - solar panel manufacturer comparison

Corab
Poland Founded 1993
Read the Corab review
VS
Trina Solar
China Founded 1997 Tier 1
Read the Trina Solar review
At a glance

Trina Solar has the broader catalog (340 vs 5 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.

Panel models
5 340
Highest power
410 Wp 760 Wp
Best efficiency
21.0% 24.8%
Average efficiency
20.6% 21.7%
Bifacial share
0% 43%
Average warranty
25 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
Corab

Corab is a leading Polish manufacturer of steel photovoltaic structures and a distributor of devices from renowned brands in the renewable energy sector. They design and produce assembly structures for various types of roofs and surfaces and are also a distributor of photovoltaic modules, inverters, and energy storage...

Founded
1993
Headquarters
Olsztyn, Poland
Annual capacity
2.5 GW/year
Employees
300+
Trina Solar
Founded
1997
Headquarters
Changzhou, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Corab Trina Solar
Catalog & Power
Panel Models 5 340+335
Max Power 410 W 760 W+350 W
Avg Power 397 W 520 W+123 W
Efficiency
Max Efficiency 21.00% 24.80%+3.80 pp
Avg Efficiency 20.60% 21.71%+1.11 pp
Reliability & Warranty
Avg Temp Coefficient -0.337%/°C -0.302%/°C+0.035
Bifacial Share 0 (0%) 145 (43%)+43 pp
Avg Warranty 25.0 yrs 28.2 yrs+3.2 yr

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.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

Trina Solar skews to higher efficiency: 22% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Trina Solar offers more 600W+ panels (34% of lineup)

Corab cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (100%)

Trina Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (73%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Corab is a Polish manufacturer founded in 1991 in Olsztyn, originally rooted in the satellite-electronics industry before pivoting to become one of Europe's leading producers of photovoltaic mounting structures and racking systems. The company markets its own-label PV modules under the Encor brand, which are manufactured to Corab's specifications by third-party producers rather than fabricated in-house, and as a result Corab does not appear on the BloombergNEF Tier 1 module manufacturer list. The company was acquired by MS Galleon in December 2024. Trina Solar, by contrast, is a Chinese solar giant founded in 1997 in Changzhou that reached an annual module production capacity of approximately 100 GW in early 2025 and has held a continuous BloombergNEF Tier 1 bankability rating for many years, placing it alongside Jinko Solar, LONGi, and JA Solar at the very top of the global industry. In terms of institutional footprint and financial track record, Trina Solar is in a different league.

Corab's Encor module range spans roughly 375 W to 460 W and features a mix of PERC and TOPCon half-cut cell technologies, with peak efficiency around 21.3%. The lineup is aimed squarely at residential rooftops and small commercial installations in Poland and Central Europe, and its real competitive differentiator is the tight integration with Corab's own mounting hardware, including solar trackers that can boost energy yield by 20-30% over fixed systems. Trina Solar addresses a much broader market: the Vertex S+ series targets residential and small C&I buyers with n-type TOPCon cells delivering up to 22.5% efficiency and outputs up to 450 W, while the Vertex N series - bifacial n-type TOPCon panels in the 600-700 W range achieving up to 23.2% efficiency - is designed for utility-scale ground-mount and large commercial projects globally.

For international or large-scale buyers where bankability, project financing, and long-term warranty support are decisive, Trina Solar is the default choice - its scale, Tier 1 status, and global service network are hard to match. Corab makes the most sense for buyers in the Polish and Central European market who value a single-supplier relationship for both modules and mounting systems, or who want European logistics proximity. In the residential segment the two brands can be considered interchangeable on a practical level, though Trina's technology edge and track record give it a slight advantage even there.

Generated by Claude Sonnet · 2026-06-27

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 5 Corab offers · See 238 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.