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Canadian Solar vs Tata Power Solar - solar panel manufacturer comparison

Canadian Solar
Canada Founded 2001 Tier 1
Read the Canadian Solar review
VS
Tata Power Solar
India Founded 1989 Tier 1
Read the Tata Power Solar review
At a glance

Canadian Solar has the broader catalog (292 vs 38 models). Canadian Solar leads on peak efficiency at 24.40%. Tata Power Solar leans bifacial (100% 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 38
Highest power
730 Wp 642 Wp
Best efficiency
24.4% 23.1%
Average efficiency
20.7% 21.5%
Bifacial share
46% 100%
Average warranty
28 yrs 28 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
Tata Power Solar

Tata Power Solar is India's largest integrated solar company. They operate in manufacturing solar modules, EPC services for solar power projects, and creating innovative solar products. The company is committed to providing access to energy, especially in remote, off-grid parts of India.

Founded
1989
Headquarters
Mumbai, Maharashtra, India
Annual capacity
4.3 GW/year
Employees
1,245
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Canadian Solar Tata Power Solar
Catalog & Power
Panel Models 292+254 38
Max Power 730 W+88 W 642 W
Avg Power 472 W 580 W+108 W
Efficiency
Max Efficiency 24.40%+1.35 pp 23.05%
Avg Efficiency 20.66% 21.52%+0.86 pp
Reliability & Warranty
Avg Temp Coefficient -0.331%/°C+0.023 -0.354%/°C
Bifacial Share 133 (46%) 38 (100%)+54 pp
Avg Warranty 28.2 yrs 28.4 yrs+0.2 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

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%)

Tata Power Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (82%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Canadian Solar is a Canadian manufacturer headquartered in Guelph, Ontario, founded in 2001 and listed on Nasdaq since 2006, giving it one of the strongest institutional footprints in the industry. It holds Tier 1 status per BloombergNEF and was named to S&P Global Commodity Insights' Premier Tier 1 Cleantech Companies list, with module manufacturing capacity in the range of roughly 50 GW annually and shipments to more than 70 countries. Tata Power Solar, part of India's Tata Group, also carries Tier 1 status, having become the second Indian manufacturer to earn it back in 2016, but operates at a much smaller scale, with integrated cell and module capacity around 4.8 to 4.9 GW and expansion plans underway for ingot and wafer production. In terms of scale and global bankability, Canadian Solar holds a clear institutional edge.

Canadian Solar's product line centers on the HiKu6 series using PERC cells and the newer TOPHiKu6 series using TOPCon cells (reaching roughly 22.5 to 23 percent efficiency), sold across residential, commercial and utility-scale ground-mount projects, an area where the company also benefits from its own EPC and energy storage businesses. Tata Power Solar focuses primarily on the Indian and neighboring markets, with a portfolio still dominated by mono-PERC cells alongside a growing share of TOPCon modules, including bifacial variants, aimed mainly at residential and commercial rooftop customers.

For an international buyer evaluating a utility-scale or commercial project, Canadian Solar is generally the safer default choice thanks to its longer track record, wider distribution network, and stronger recognition among project financiers. Tata Power Solar remains a credible Tier 1 option, particularly within India, but its limited presence outside that market makes logistics and after-sales support less consistent for buyers elsewhere.

Generated by Claude Sonnet 5 · 2026-09-15

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 40 Canadian 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.