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Canadian Solar vs DAH Solar - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
DAH Solar
China Founded 2009 Tier 1
Read the DAH Solar review
At a glance

DAH Solar has the broader catalog (363 vs 292 models). Canadian Solar leads on peak efficiency at 24.40%. DAH Solar leans bifacial (87% 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
292 363
Highest power
730 Wp 725 Wp
Best efficiency
24.4% 23.3%
Average efficiency
20.7% 22.1%
Bifacial share
46% 87%
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
DAH Solar

DAH Solar is an innovation-driven and technology-leading company specializing in PV product manufacturing. They focus on R&D, manufacturing, and sales of high-efficiency PV modules, integrated PV systems, and solar energy storage systems. DAH Solar is known for its patented Full-Screen PV Module and SolarUnit...

Founded
2009
Headquarters
Hefei, China
Annual capacity
10 GW/year
Employees
2000+
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar DAH Solar
Catalog & Power
Panel Models 292 363+71
Max Power 730 W+5 W 725 W
Avg Power 472 W 520 W+48 W
Efficiency
Max Efficiency 24.40%+1.06 pp 23.34%
Avg Efficiency 20.66% 22.10%+1.45 pp
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C -0.299%/°C+0.033
Bifacial Share 133 (46%) 316 (87%)+42 pp
Avg Warranty 28.2 yrs 29.4 yrs+1.1 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

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%)

DAH Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (88%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Canadian Solar, founded in 2001 and headquartered in Canada, is one of the world's largest vertically integrated solar manufacturers. Listed on NASDAQ and employing over 17,000 people, the company operates with a production capacity of 51 GW, placing it firmly among the global top-tier players. DAH Solar, by contrast, is a younger Chinese manufacturer established in 2009, with a workforce of over 2,000 employees and a production capacity of 10 GW. Both companies hold Tier 1 bankable status, reflecting recognized financial stability and product reliability as assessed by independent analysts. Canadian Solar's two-decade track record and stock exchange listing give it a strong advantage in large-scale project financing environments, while DAH Solar has been actively expanding its footprint in European markets, including a showcase appearance at the Solar Energy Expo Poland in January 2025.

On the technology side, TOPCon is the dominant cell technology in both portfolios - accounting for 56.3% of Canadian Solar's lineup and 79.6% of DAH Solar's. Canadian Solar leads on peak power output (730 Wp vs. 725 Wp) and maximum module efficiency (24.4% vs. 23.34%), supported by a recently launched 660 W TOPCon panel rated at 24.4% efficiency. Average portfolio efficiency is nearly identical at 22.13% for Canadian Solar and 22.10% for DAH Solar. DAH Solar distinguishes itself through a notably higher share of bifacial modules - 87.1% of its portfolio versus 60.3% for Canadian Solar - making it a strong candidate for ground-mount utility-scale applications where rear-side irradiance gain is a key yield driver. Temperature coefficients for Pmax are close, at -0.305%/°C for Canadian Solar and -0.299%/°C for DAH Solar, giving DAH Solar a marginal edge in high-temperature climates. Average warranty terms are broadly comparable at approximately 29 years for both manufacturers.

For international buyers choosing between the two, Canadian Solar is the lower-risk, more conservative option for utility-scale and commercial C&I projects where lender bankability, brand recognition, and a long operational history carry significant weight. DAH Solar offers a compelling proposition for ground-mount and bifacial-focused deployments, particularly where a broader bifacial portfolio and competitive pricing relative to performance are the deciding factors. Both are credible Tier 1 suppliers, but Canadian Solar's scale and tenure give it an edge in project finance contexts, while DAH Solar's heavily bifacial TOPCon-oriented mix suits buyers prioritizing yield optimization on open-field installations.

Generated by Claude Sonnet · 2026-05-13

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 11 DAH 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.