Offshore wind turbine does double duty as fish farm

Updated: Oct 7, 2023 By Chen Meiling in Beijing and Hu Meidong in Fuzhou China Daily Print
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Guoneng Sharing, an offshore wind power facility, is erected in the waters off Fujian province. [Photo provided to China Daily]

An offshore wind power facility in Fujian province uses the spare space at its base to raise fish. It's part of an innovative effort to boost green development in the ocean.

The facility, which is called "Guoneng Sharing", is located in Putian and is the world's first integrated design combining deep-sea floating wind power and aquaculture.

It consists of a floating platform, a 4-megawatt wind turbine and a mooring and anchoring system. The floating platform is a semisubmersible structure with three columns in the shape of an equilateral triangle with a height of 28 meters and a draft of 14 meters.

Inside the triangle is a net cage for aquaculture. The volume of water used for fish farming is 10,000 cubic meters, enough to raise medium-sized fish fry for more than a year.

To maintain safe and stable operations at sea, the platform is moored with nine anchor chains, each approximately 431 meters long, with each column connected to three mooring cables.

"We chose Putian because it has rich wind resources. Now the equipment is being adjusted and tested. It is expected to generate power around the end of this year," said Feng Xiaoxing, deputy chief engineer of Jiangsu Longyuan Zhenhua Marine Engineering Co, which developed the facility.

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