Canadian Solar vs Talesun - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 144 models). Talesun leads on peak efficiency at 24.80%. Talesun leans bifacial (59% 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.
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
Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...
- Founded
- 2010
- Headquarters
- Suzhou, China
- Annual capacity
- 5+ GW/year
- Employees
- 501
- 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
Talesun skews to higher efficiency: 28% of lineup is 23%+
Talesun offers more 600W+ panels (49% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>TOPCon</strong> (44%)
The flagships
Written summary
Canadian Solar was founded in 2001 by Dr. Shawn Qu in Kitchener, Ontario, Canada, and has traded on NASDAQ (CSIQ) since November 2006. It holds confirmed Tier 1 status on S&P Global Commodity Insights' 2025 Premier List and reports annual module production capacity of approximately 61 GW, with cumulative lifetime shipments exceeding 170 GW. Talesun Solar, headquartered in Suzhou, China, is a subsidiary of the Zhongli Science and Technology Group established around 2010. The company joined BloombergNEF's Tier 1 list in Q1 2025 and reports cumulative global module shipments exceeding 36 GW. On institutional footprint, Canadian Solar is in a different league: its stock exchange listing, publicly audited financials, and substantially larger manufacturing scale place it firmly among the top global module suppliers.
Canadian Solar's current lineup centers on N-type technology: the TOPCon 3.0 generation carries a confirmed conversion efficiency of 24.8%, and the HiHero HJT series reaches up to 23.9% module efficiency. Large bifacial formats such as the TOPBiHiKu7 address utility-scale ground-mount projects, while a broad range of mid-format modules serves commercial C&I and residential rooftop buyers. DNV has published independent technical reviews of the HJT lineup, strengthening bankability for project-financed installations. Talesun's offering is built around its BIPRO TOPCon bifacial series, reaching up to 23% module efficiency and covering power outputs from residential scale to approximately 700 W for utility-class systems. The company backs its modules with a 30-year linear power output warranty and distributes to more than 80 countries.
For most international buyers, Canadian Solar is the lower-risk default: NASDAQ-level financial transparency, manufacturing depth, and independent DNV validation give it a clear bankability advantage. Talesun is a credible Tier 1 alternative for cost-sensitive projects or markets where Canadian Solar supply is constrained, but it carries fewer published independent benchmarks. At a purely technical level, both brands offer current-generation TOPCon bifacial technology and the performance gap is narrow - the decisive difference lies in bankability and supply-chain depth.
Generated by Claude Sonnet · 2026-07-14
Other brand comparisons
Shop prices: See 40 Canadian Solar offers · See 2 Talesun 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.