ZTT(SH:600522) Zhong Guo Dian Li Bao·2026-01-16 03:09Core Viewpoint - The successful completion of the first segment of the ±500 kV DC submarine cable for the Yangjiang Sanshan Island offshore wind power flexible direct current transmission project marks a significant milestone in China's offshore wind energy development and manufacturing capabilities [1] Group 1: Project Overview - The ±500 kV DC submarine cable, with a total length of 54.52 kilometers, addresses multiple technical challenges, showcasing China's manufacturing and innovation strength [1] - The entire cable route for the Yangjiang Sanshan Island project is approximately 114.8 kilometers, with 114.2 kilometers offshore and a maximum water depth of 52 meters [1] - The project is a core initiative for Guangdong's "New Offshore Guangdong" construction, aiming to establish a million-kilowatt-level offshore wind power base [1] Group 2: Project Timeline and Impact - The submarine cable is scheduled to begin offshore laying in April, with all cable construction expected to be completed by the end of June, and land-sea joint debugging to start in July [1] - The project is set to be operational by the end of October, facilitating efficient transmission of deep-sea wind power to the Guangdong-Hong Kong-Macao Greater Bay Area [1] - The project is anticipated to stimulate the upstream and downstream industrial chain, providing strong momentum for Guangdong's economic development [1]