Canadian Solar vs Techwise Solar - solar panel manufacturer comparison
Canadian Solar has the broader catalog (292 vs 164 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
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%+
Techwise Solar offers more 600W+ panels (27% of lineup)
Dominant cell tech: <strong>PERC</strong> (67%)
Dominant cell tech: <strong>TOPCon</strong> (70%)
The flagships
Written summary
Canadian Solar was founded in 2001 in Ontario, Canada, and is today publicly listed on NASDAQ with manufacturing operations concentrated primarily in China. It has been a consistent fixture on BloombergNEF's Tier 1 module manufacturer list for many years and in 2025 was also recognized on S&P Global Commodity Insights' Premier List of Tier 1 Cleantech Companies. Module manufacturing capacity stands at over 50 GW per year, placing Canadian Solar among the five largest solar manufacturers worldwide. Techwise Solar Technology Co., Ltd. is a China-based manufacturer with reported annual production capacity of approximately 1 GW. The company holds TUV, CE, ISO, and CGC certifications and also provides ODM/OEM services to other brands, but does not appear on BloombergNEF Tier 1 lists. On any measure of institutional footprint, Canadian Solar operates at a substantially different scale.
Canadian Solar serves residential rooftop, commercial and industrial, and utility-scale ground-mount segments with a broad product range. Confirmed cell technologies in its 2025 lineup include N-type TOPCon and HJT, with TOPCon representing the mainstream offering across most power classes. Techwise Solar's catalog, as listed on ENF Solar, comprises the Sun-Pursuit and Micro Sun series, spanning wattages from roughly 150 W to over 550 W - a range that suggests coverage of residential and light commercial applications. The precise cell technology used across Techwise Solar's lineup is not clearly confirmed in available industry sources, though product datasheets indicate monocrystalline half-cut cell formats.
For most international buyers - particularly those in institutional, utility, or larger commercial projects - Canadian Solar is the more defensible default: its bankability record, global supply chain, and after-sales network are significantly better documented. Techwise Solar may suit cost-sensitive buyers or smaller integrators who prioritize unit price over brand recognition and long-term warranty security. The two brands are not interchangeable in any meaningful sense; the gap in verifiable financial standing and market track record is too wide to overlook in a serious procurement decision.
Generated by Claude Sonnet · 2026-06-19
Other brand comparisons
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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.