On October 8, the Ecological Environment Bureau of Meishan City, Sichuan Province, issued an announcement on the ecological environment impact assessment document of the "High-efficiency Crystalline Silicon Solar Cell Intelligent Technology Upgrading and Renovation Project".
The content shows that the annual capacity of Meishan plant of Tongwei Solar Energy (Meishan) Co., Ltd. is 52.5G W/year, which is divided into five workshops (S1-S5), all of which adopt TOPCon technology.
This time, the existing N-type high-efficiency crystalline silicon solar cell production line in S2 and S4 workshops will be upgraded and transformed with intelligent technology, and the construction of 12.5G W battery production line in S3 workshop will be cancelled simultaneously, the related production equipment will be dismantled, and it will be transformed into a multi-slice + passivation workshop matched with S2 and S4 workshops. The total investment of
the project is 200 million yuan, which is planned to be completed in January 2028. After the transformation, the total capacity of the whole plant will be slightly reduced from 52.5G W/year to 52.05 GW/year.
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