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Canadian Solar vs Seraphim - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
Seraphim
China Founded 2011 Tier 1
Read the Seraphim review
At a glance

Canadian Solar has the broader catalog (292 vs 160 models). Canadian Solar leads on peak efficiency at 24.40%. Seraphim leans bifacial (69% 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
292 160
Highest power
730 Wp 730 Wp
Best efficiency
24.4% 23.5%
Average efficiency
20.7% 21.8%
Bifacial share
46% 69%
Average warranty
28 yrs 29 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
Seraphim

Seraphim is a world-class solar products manufacturer specializing in research, development, production, and sales of solar PV products. The company has achieved significant milestones, outpacing competitors in production capacity and innovative designs. Seraphim is committed to technological innovation and...

Founded
2011
Headquarters
Changzhou, China
Annual capacity
13 GW/year
Employees
1001-5000
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar Seraphim
Catalog & Power
Panel Models 292+132 160
Max Power 730 W 730 W
Avg Power 472 W 549 W+77 W
Efficiency
Max Efficiency 24.40%+0.90 pp 23.50%
Avg Efficiency 20.66% 21.82%+1.16 pp
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C -0.316%/°C+0.015
Bifacial Share 133 (46%) 111 (69%)+24 pp
Avg Warranty 28.2 yrs 28.8 yrs+0.5 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

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

Power spread
Share of each catalogue in every power band

Seraphim offers more 600W+ panels (35% of lineup)

Canadian Solar cell technology
Share of their models by cell architecture

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

Seraphim cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (52%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Canadian Solar was founded in 2001 in Guelph, Ontario, Canada by Dr. Shawn Qu and has been publicly listed on the Nasdaq since 2006. The company holds Tier 1 status with BloombergNEF and was named to the S&P Global Commodity Insights Premier List of Tier 1 Cleantech Companies for both 2025 and 2026. With a stated production capacity of approximately 61 GW and cumulative module deliveries of nearly 170 GW across more than 20 countries, it ranks among the top global solar manufacturers by scale. Seraphim was established in 2011 in Changzhou, China, with a reported production capacity of around 13 GW. It has maintained BNEF Tier 1 status for 11 consecutive years and earned PVEL Top Performer recognition six times, with manufacturing operations in both China and the United States and offices in Germany, Japan, Australia, and other key markets. On institutional footprint and global reach, Canadian Solar holds a clear and substantial advantage.

Canadian Solar's portfolio spans the full deployment spectrum. The residential HiKu6 line and its N-type TOPCon variant, the TOPHiKu6 - with efficiencies confirmed by independent reviewers at up to around 22.5% - serve rooftop installations, while the utility-focused HiKu7 series and bifacial BiHiKu modules address large ground-mount and commercial C&I projects. Seraphim's current lineup centers on the TOPCon Nebula series, also built on N-type cells with comparable peak efficiency figures, supplemented by a PERC-based range that competes on price. Reviewers consistently note that Seraphim modules are priced roughly 15-20% below premium-tier brands while retaining Tier 1 bankability, positioning the brand as a strong value choice for residential rooftops and small-to-medium commercial systems where upfront module cost is the primary decision factor.

For buyers financing utility-scale or larger commercial projects where lender and insurer approval is a requirement, Canadian Solar is the safer default, backed by its Nasdaq listing, output scale, and two-decade track record in project development. For residential or small C&I buyers prioritising cost efficiency, Seraphim is a fully bankable and technically competitive alternative. On a standard rooftop installation the two brands are broadly interchangeable; the decision tips firmly toward Canadian Solar only when institutional project bankability is explicitly on the table.

Generated by Claude Sonnet · 2026-07-21

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 4 Seraphim 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.