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.

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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.

One turbine operating at full capacity for a single hour can generate enough electricity to meet the daily needs of 1,200 households, assuming an average household consumption of 10 kilowatt-hours per day.

The wind farm is expected to save about 500,000 metric tons of standard coal each year.