China's deepest offshore wind power project began operation on Tuesday after connecting to the grid in Shandong province. [Photo provided to chinadaily.com.cn]

China's deepest offshore wind power project began operation on Tuesday after connecting to the grid, marking a breakthrough in the country's ability to develop wind farms in complex and deep-sea environments.

The project's 42 wind turbines are located about 70 kilometers off the coast of Shandong province, with depths ranging from 52 to 56 meters.