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Canadian Solar vs Corab - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
Corab
Poland Founded 1993
Read the Corab review
At a glance

Canadian Solar has the broader catalog (292 vs 5 models). Canadian Solar leads on peak efficiency at 24.40%. Canadian Solar leans bifacial (46% 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
292 5
Highest power
730 Wp 410 Wp
Best efficiency
24.4% 21.0%
Average efficiency
20.7% 20.6%
Bifacial share
46% 0%
Average warranty
28 yrs 25 yrs
01

The two companies

Company facts, not datasheet figures
Canadian Solar

Canadian Solar Inc. is a global renewable energy company founded in 2001. Headquartered in Kitchener, Ontario, it manufactures solar PV modules and provides battery energy storage solutions. The company also develops utility-scale solar power and battery energy storage projects.

Founded
2001
Headquarters
Kitchener, Canada
Annual capacity
51 GW/year
Employees
17,113
Tier 1 bankable
Yes
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+
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar Corab
Catalog & Power
Panel Models 292+287 5
Max Power 730 W+320 W 410 W
Avg Power 472 W+75 W 397 W
Efficiency
Max Efficiency 24.40%+3.40 pp 21.00%
Avg Efficiency 20.66%+0.06 pp 20.60%
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C+0.006 -0.337%/°C
Bifacial Share 133 (46%)+46 pp 0 (0%)
Avg Warranty 28.2 yrs+3.2 yr 25.0 yrs

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

Canadian Solar skews to higher efficiency: 13% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Canadian Solar offers more 600W+ panels (24% of lineup)

Canadian Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (67%)

Corab cell technology
Share of their models by cell architecture

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

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Canadian Solar is a Canadian-founded company (headquartered in Guelph, Ontario) that has been manufacturing solar panels since 2001 and has grown into one of the largest module producers in the world. It is publicly listed on NASDAQ and holds confirmed Tier 1 status, appearing on S&P Global Commodity Insights' Premier List of Tier 1 Cleantech Companies for 2025. Its nameplate module capacity reached approximately 59 GW annually as of mid-2025, placing it firmly among the handful of manufacturers operating at genuine utility scale. Corab, by contrast, is a Polish company founded in 1991 and headquartered in Olsztyn, acquired by MS Galleon in late 2024. It is primarily known as a manufacturer of photovoltaic mounting structures and balance-of-system components, with solar modules sold under the Corab Encor brand produced to its specifications rather than in a vertically integrated factory. With roughly 300 employees and exports to around 20 countries, Corab operates at a regional European scale with no presence on standard Tier 1 or BloombergNEF bankability lists. Canadian Solar has the far stronger institutional footprint.

Canadian Solar offers a broad product portfolio spanning residential, commercial, and utility-scale segments. Its current lines include the TOPHiKu6 and TOPBiHiKu7 for high-efficiency N-type TOPCon applications, the HiHero series based on HJT cell technology reaching module efficiencies around 23.9%, and more affordable PERC-based lines for cost-sensitive projects. SolarReviews ranked it the top solar panel brand of 2025, citing its combination of reliability and competitive pricing averaging near $2.96 per watt for residential installs. Corab's Encor modules, such as the bifacial double-glass EC415M at 415 W, also use N-type TOPCon cells and carry a 12-year product warranty alongside a 25-year linear performance warranty. They are positioned as a value proposition for European residential and commercial rooftop installers who already work with Corab's mounting systems.

For most buyers in 2025 - especially outside central Europe - Canadian Solar is the clearer default. Its scale, third-party bankability ratings, global installer network, and diverse product families make it suitable for projects of any size. Corab Encor panels may be a reasonable choice within Europe for installers who source mounting hardware from Corab and benefit from consolidated supply and support, but the brand lacks the independent audit trail and global after-sales infrastructure that larger project financiers typically require.

Generated by Claude Sonnet · 2026-06-13

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 39 Canadian Solar offers · See 5 Corab 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.