Talesun vs Techwise Solar - solar panel manufacturer comparison
Techwise Solar has the broader catalog (164 vs 144 models). Talesun leads on peak efficiency at 24.80%.
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
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: TOPCon (44%)
Dominant cell tech: TOPCon (70%)
The flagships
Written summary
Talesun is a Chinese solar module manufacturer founded in 2009, operating as a core enterprise of the C&D Group - a Fortune Global 500 conglomerate ranked 85th globally - and headquartered in Changshu, Jiangsu Province. It holds confirmed BloombergNEF Tier 1 status as of Q1 2025, meaning its modules are recognized as bankable assets by mainstream international project lenders and insurers. According to the company, annual module production capacity stands at 8 GW, and cumulative installed capacity from its modules has exceeded 36 GW across more than 20 countries. Techwise Solar Technology Co., Ltd. is also a Chinese manufacturer based in Jiangsu, with annual production capacity of approximately 1 GW. It does not appear on the BloombergNEF Tier 1 list and operates primarily as an ODM/OEM supplier, producing modules under contract for larger brands rather than building a standalone market identity. On institutional footprint and production scale, Talesun holds a considerably stronger position.
Talesun's current portfolio is built around N-type TOPCon technology. The TM7G-series spans 440 W to 715 W and includes all-black residential modules, bifacial dual-glass panels suited to commercial rooftops and ground-mount sites, and large-format high-wattage configurations for utility-scale projects. Active participation in Intersolar Europe 2024 and Intersolar North America 2025 underscores the brand's sustained engagement with Western buyers. Techwise Solar's "Sun-Pursuit" family covers both PERC and TOPCon technologies in monofacial and bifacial formats, with outputs running roughly from 420 W to 600 W. The lineup addresses residential and light-commercial needs, but because the company's primary route to market is OEM supply rather than direct branded sales, traceability and after-sales accountability can be harder to establish for end buyers or asset owners.
For most buyers - residential installers, C&I developers, or project teams requiring non-recourse financing - Talesun is the more defensible default choice. Its Tier 1 bankability simplifies project loans, its production scale reduces supply-chain risk, and its consistent trade-show presence reflects a long-term commitment to after-sales support. Techwise Solar may offer competitive pricing given its OEM orientation, but limited independent review data and absence from bankability rankings elevate risk for financed or large-scale installations. For cash-funded, cost-sensitive residential purchases it remains a plausible alternative, provided buyers independently verify certifications and warranty documentation before committing.
Generated by Claude Sonnet · 2026-06-28
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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.