On April 7, Huaneng Shandong Peninsula North L Site Offshore Wind Power Project, China's deepest offshore wind power project, was fully grid-connected for power generation, marking a new breakthrough in China's offshore wind power in key sectors such as complex deep-sea environments, large-capacity unit integration, and high-precision intelligent construction.

With a total installed capacity of 504MW, the project is equipped with 42 sets of 12MW wind turbines. The site center is approximately 70 kilometers offshore, with a water depth ranging from 52 to 56 meters, making it China's deepest commercial offshore wind power project. It is expected to generate about 1.7 billion kilowatt-hours of electricity annually, equivalent to saving approximately 500,000 tonnes of standard coal each year.

The project has overcome industry challenges including complex deep-sea geology, frequent extreme sea conditions, and ultra-long-distance construction. It adopts a four-pile jacket foundation structure with a maximum height of 83.9 meters, the highest of its kind in China, which effectively ensures the safe and stable operation of wind turbines in complex deep-sea geological environments. Relying on the BeiDou Navigation Satellite System, the project has developed high-precision positioning technology, achieving millimeter-level construction positioning for subsea piling. Combined with intelligent auxiliary lowering technology, the pile-driving operation time for a single deep-sea wind turbine has been reduced from 48 hours to 29 hours. The collaborative application of unmanned aerial vehicles (UAVs) and artificial magnetic field technology also helps complete the laying of an ultra-long submarine cable of 95.6 kilometers.