--- title: "802.43W! Tongwei's heterojunction copper interconnection module once again sets an industry record" type: "News" locale: "en" url: "https://longbridge.com/en/news/288640349.md" description: "On June 3rd, certified by TÜV Rheinland, Tongwei's THC-G12 heterojunction copper interconnection module power exceeded 802.43W, with a conversion efficiency of 25.83%, once again setting a new industry record. This achievement utilizes 100% silver-free copper interconnection and multiple cutting-edge technologies, marking the twelfth record-breaking instance for this series of modules. This milestone will be announced at the 2026 Shanghai SNEC conference, highlighting Tongwei's global leading advantage in the heterojunction field" datetime: "2026-06-03T23:35:41.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/288640349.md) - [en](https://longbridge.com/en/news/288640349.md) - [zh-HK](https://longbridge.com/zh-HK/news/288640349.md) generator: "portal-rs" --- # 802.43W! Tongwei's heterojunction copper interconnection module once again sets an industry record In today's rapidly evolving photovoltaic technology landscape, Tongwei once again sets a new benchmark in the industry with its hardcore technological strength. On June 3rd, after testing by the internationally authoritative organization TÜV Rheinland, Tongwei's THC-G12 heterojunction copper interconnection module achieved an output power of 802.43W under the standard module size of 2384\*1303mm, with a total area conversion efficiency reaching 25.83%. This marks the twelfth time this series of modules has broken the industry power record since its launch, leading the industrialization process of heterojunction technology into a new stage. **Breakthroughs in Technology Depth, Establishing the Foundation for Records** The birth of this record is a concentrated reflection of Tongwei's technological innovation strength. The Tongwei photovoltaic technology R&D team has always adhered to the research and development spirit of "pursuing excellence and striving to be the first," utilizing copper interconnection metallization technology to achieve 100% silver-free heterojunction modules. In terms of battery technology, it matches the industry's first innovative three-piece manufacturing, back-throw technology, ultra-fine copper grid line technology, and edge optimization technology, driving breakthrough advancements in battery efficiency; in terms of module technology, it employs advanced technologies such as non-main grid interconnection technology, ultra-high screen occupancy design, ultra-high flux light utilization, and ultra-low loss line transmission, achieving higher light utilization and lower transmission losses for the modules. The dual effects successfully propelled the THC-G12 heterojunction copper interconnection module's conversion efficiency to exceed 25.83%. **Support from an Innovative System, Building Sustainable Competitiveness** The continuous breakthroughs in records are inseparable from Tongwei's forward-looking R&D layout and systematic innovation capabilities. The company has established an innovation system covering the entire chain of "R&D - pilot testing - mass production," forming a tight technical barrier and intellectual property system in the key process areas of heterojunction technology. Based on this, Tongwei, as the main responsible unit of the "14th Five-Year" national key R&D plan, will gather the advantages of the entire industry to tackle cutting-edge technologies such as refined local fields of heterojunctions, fully silver-free metallization, and ultra-high bifacial rates, continuously consolidating its global leading advantage in heterojunction technology. At the same time, Tongwei's global innovation R&D center continues to promote the integration and iteration of multiple technological routes such as HJT, TOPCon, BC, and perovskite/silicon tandem, ensuring that its technological leadership remains unshaken. **Authoritative On-Site Certification, Global Attention Release** This milestone achievement was officially announced to the world during the 2026 Shanghai SNEC International Solar Photovoltaic and Smart Energy Conference. Li Weichun, Senior Vice President of Solar and Commercial Product Services for TÜV Rheinland Greater China and Senior Vice President of Global Power Electronics Product Services, presented Tongwei with an authoritative testing certification certificate on-site, rigorously verifying the module's power, efficiency, reliability, and other multidimensional indicators This marks the international third-party authoritative recognition of the efficient performance of Tongwei's THC components. Tongwei's record-breaking achievement not only consolidates its global leading position in the field of high-efficiency photovoltaic components but also demonstrates the strong momentum of Chinese photovoltaic companies in continuously promoting technological iteration. In the future, Tongwei will continue to adhere to the concept of technology-based and innovation-driven, providing products and services with higher efficiency and reliability, accelerating the transformation of the energy structure, and contributing to the global "dual carbon" goals ### Related Stocks - [600438.CN](https://longbridge.com/en/quote/600438.CN.md) ## Related News & Research - [00:00 ETTONGWEI figure pour la quatrième année consécutive dans le classement Fortune Global 500](https://longbridge.com/en/news/295051480.md) - [05:36 ETTONGWEI Secures Fourth Consecutive Fortune Global 500 Listing](https://longbridge.com/en/news/294942509.md) - [Apple's Home Hub Will Have a Widget Gallery With iPhone Widget Support](https://longbridge.com/en/news/296263913.md) - [09:30 ETFirst Mold Returns to Meximold 2026: Enhanced Large‑Part Capacity for North America](https://longbridge.com/en/news/296624448.md) - [05:01 ET93.07% Bifaciality Module! 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