China has begun full-capacity grid-connected operation of its deepest offshore wind power project, marking a new breakthrough in the country's push into deep-sea renewable energy development.

The Huaneng Shandong Peninsula North offshore wind farm, developed by China Huaneng Group, represents a significant milestone in offshore wind technology and commercial operations.

Project Specifications and Location

The wind farm has a total installed capacity of 504 megawatts and comprises 42 wind turbines, each with a capacity of 12 megawatts. Located around 70 kilometers off the coast of east China's Shandong Province, the site sits in waters 52 meters to 56 meters deep, making it China's deepest commercial offshore wind project to date.

The project's location in deep waters presented unique engineering challenges that required innovative solutions. The distance from shore and water depth established new benchmarks for China's offshore wind industry.

Technological Innovations and Engineering Solutions

The project features several technological innovations tailored for deep-sea conditions. It has adopted a four-pile jacket foundation, which ensures stability in complex seabed environments. The structure's maximum height is 83.9 meters, making it the tallest of its kind in China.

To complete the installation of a 95.6-kilometer subsea cable, engineers deployed a combination of drones and magnetic-field-assisted techniques. This approach demonstrated advanced installation methods for deep-water offshore projects.

According to project manager Wang Jinshou, the team utilized the BeiDou Navigation Satellite System to develop high-precision positioning technology, enabling millimeter-level accuracy in underwater pile installation. Combined with intelligent installation systems, this technological advancement reduced the time required for installing a single turbine's foundation from 48 hours to 29 hours.

Energy Production and Environmental Impact

The wind farm is expected to generate approximately 1.7 billion kilowatt-hours of electricity annually. This level of power generation will result in saving about 500,000 tonnes of standard coal per annum.

The project represents a significant contribution to China's renewable energy capacity and demonstrates the viability of deep-water offshore wind development. The annual electricity generation capacity positions the facility as a major contributor to the regional power grid.

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