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‘Guojiao-1’, China’s Pioneering Marine Power Transmission Brand, launched in Zhejiang

HANGZHOU, China, Aug. 9, 2023 /PRNewswire/ — On August 8, ‘Guojiao-1’, an innovative marine power transmission technology brand, was unveiled at a landmark event in Zhoushan, Zhejiang Province.

Guojiao-1, a cornerstone of State Grid Corporation of China (SGCC)’s technological portfolio, is poised to become an industry leader and drive the transformation across the country’s entire marine power transmission sector.

In recent years, SGCC has led the way with several groundbreaking initiatives in marine power transmission in Zhejiang. Highlights include:

  • A five-terminal flexible DC power transmission system;
  • A 20 Hz flexible low-frequency power transmission demonstration;
  • The world’s tallest cross-sea power transmission tower, soaring to an impressive 380 meters;
  • A 500 kV cross-sea on-grid power transmission and transformation project in Zhoushan; and
  • A 535 kV DC cable initiative.

These pioneering achievements emphasize SGCC’s commitment to advancing the frontiers of marine power technology.

State Grid Zhejiang Electric Power, working in tandem with the business sector, academic institutions, research organizations, and end-user industries, has cemented its role as an industry trailblazer in marine power transmission. The collaborative approach, spanning the full product life cycle—including R&D, equipment sourcing, construction, and O&M—has led to remarkable technological breakthroughs, notably in submarine cable systems deployed across China’s coastal provinces. The effort has catalyzed a quantum leap in the nation’s marine power transmission capabilities, forging a development path that radiates from Zhoushan across China and into international markets.

As China’s premier marine power transmission brand, Guojiao-1 embodies a mission to shape world-leading energy interconnection with unique Chinese insights, directing the global marine power transmission landscape. With a vision centered on providing safe, reliable, green, environmentally responsible, efficient, and sustainable top-tier marine power transmission, Guojiao-1 is steadfastly pursuing a better global future. Through determined innovation, excellence in execution, and ongoing breakthroughs, the brand stands ready to meet the complex challenges of marine environments.