Canadian Solar vs Leapton - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 119 models). Canadian Solar leads on peak efficiency at 24.40%.
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.
The two companies
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
- Listed
- NASDAQ: CSIQ
- Tier 1 bankable
- Yes
Leapton Energy, headquartered in Japan, is a global leader in the solar PV industry, specializing in Tier-1 solar modules, battery energy storage systems (BESS), and inverters. With over 10 years of experience, Leapton Energy's products are now available in more than 70 countries worldwide.
- Founded
- 2012
- Headquarters
- Kobe, Japan
- Annual capacity
- 3+ GW/year
- Tier 1 bankable
- Yes
Catalogue against catalogue
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.
What each of them builds
Canadian Solar skews to higher efficiency: 13% of lineup is 23%+
Leapton offers more 600W+ panels (32% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>TOPCon</strong> (88%)
The flagships
Written summary
Canadian Solar is a Canadian manufacturer headquartered in Kitchener, Ontario, founded in 2001, that has grown into one of the largest global PV players with an annual production capacity of roughly 61 GW. It appears on S&P Global Commodity Insights' Tier 1 list for both PV modules and battery energy storage systems, and beyond manufacturing it also develops its own utility-scale solar and storage projects. Leapton is a much younger brand, founded in 2012 in Kobe, Japan, with manufacturing based in Changshu, China, and an annual capacity of around 3 GW - yet it has still earned Tier 1 bankability status from BloombergNEF and strong reliability results in Kiwa PVEL testing. In terms of institutional footprint and scale, Canadian Solar clearly has the stronger position.
Canadian Solar's portfolio spans residential rooftop panels as well as modules built for utility-scale ground-mount farms and commercial projects, with parallel development of TOPCon and HJT cell technology - the HJT push being a deliberate departure from the TOPCon standard most Chinese manufacturers have settled on. Leapton focuses almost entirely on N-type TOPCon modules, with offerings ranging from around 400 W panels aimed at residential installs up to 600-625 W commercial-grade units, reaching efficiencies above 23 percent and backed by roughly 29-year power warranties.
For a typical residential rooftop buyer, the two brands are broadly comparable in technical quality, though Leapton is often positioned as the more budget-friendly Tier 1 option, while Canadian Solar brings greater financial scale, a longer track record, and a broader lineup for large-scale projects. The choice should hinge more on budget and project size than on meaningful differences in build quality.
Generated by Claude Sonnet 5 · 2026-08-06
Other brand comparisons
Shop prices: See 39 Canadian Solar offers · See 5 Leapton 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.