Chan Ye Xin Xi Wang·2025-09-18 01:08Core Viewpoint - The submarine cable industry in China is experiencing rapid growth driven by the expansion of offshore wind power and marine energy development, supported by comprehensive government policies and technological advancements [1][6][12]. Industry Overview - Submarine cables are essential infrastructure for connecting power and communication networks across oceans, categorized into submarine communication cables and submarine power cables [2][3]. - The industry is positioned as a strategic resource for supporting the digital transformation of the marine economy and the construction of a global energy internet [6]. Policy Analysis - China's policies, including the "14th Five-Year Plan" for renewable energy, aim to promote the large-scale development of offshore wind power and marine energy, providing a robust support system for the submarine cable industry [6][10]. Industry Chain - The submarine cable industry chain in China includes upstream raw material supply, midstream cable manufacturing, and downstream installation and operation, with leading companies like Zhongtian Technology, Hengtong Optic-Electric, and Dongfang Cable dominating the market [8][12]. Market Demand - The offshore wind power market is the primary driver of submarine cable demand, with installed capacity expected to grow significantly from 9 million kW in 2020 to 41.27 million kW by 2024, reflecting a compound annual growth rate of 46.33% [10][12]. - Marine energy is also a key market, with a target of 400,000 kW installed capacity by 2030, further expanding the demand for high-end submarine cables [11][12]. Current Industry Status - The submarine cable industry in China is in a phase of technological leadership and market expansion, with a projected market size of approximately 230 billion yuan by 2024 [12]. - The industry has achieved significant technological advancements, including a complete technical system covering voltage levels from 220kV to 500kV [12]. Competitive Landscape - The industry exhibits a concentrated oligopoly structure, with the top three companies—Dongfang Cable, Zhongtian Technology, and Hengtong Optic-Electric—holding a combined market share of 87% [13][14]. - International competitors like Prysmian and Nexans dominate the high-end market, while Chinese companies are expanding into emerging markets in Southeast Asia and Africa [13][14]. Future Development Trends - The submarine cable industry is expected to undergo a transformation towards high-end, intelligent, and green technologies, with a focus on dynamic cables and AI operation systems [16]. - The market is anticipated to expand globally, with emerging scenarios such as submarine data center interconnections and marine observation networks contributing to significant growth [17]. - The industry will evolve towards a collaborative ecosystem, enhancing supply chain resilience and establishing international standards [18][19].