Equinor Adds Technip Energies to Floating Offshore Wind Team in South Korea

Equinor South Korea Co Ltd has selected the engineering and technology company, Technip Energies, to carry out a Front-End Engineering Design (FEED) for the 800 MW Firefly floating wind project offshore South Korea.

The FEED contract covers the engineering of the floating wind turbine substructures for the Firefly floating offshore wind farm.

The design of the substructures will include Technip Energies’ in-house floater technology INO15™.

With a capacity of 15 megawatts, INO15™ technology is a three columns semi-submersible floater which is well suited for fabrication in large series, Technip Energies said. The substructure design is in alignment with Equinor’s wind semi design principles.

The Firefly wind farm is planned for an area of 2 x 75 km2 some 70 kilometers off the coast of the city of Ulsan in South Korea and will serve to feed the Korean grid. It is planned to be in operation in 2027.

”We are glad to have been awarded this FEED by our long-lasting client Equinor and that the INO15™ floater technology has been selected for the development of the offshore wind farm,” Willy Gauttier, VP Offshore Floating Wind at Technip Energies, said.

”It perfectly illustrates that engineering and technology will be key to accelerate the energy transition. Through the Firefly project, we are committed to support Equinor in its objective to reach an installed net renewables capacity of 12-16 gigawatts by 2030.”

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In June 2020, two floating LiDARs (FLiDARs) were installed at the site to collect wind data for a period of over one year. Equinor began to measure wind conditions as part of a business feasibility study to develop the project.

The wind farm will feature wind turbines supported by semi-submersible foundations with three mooring lines installed in water depths of between 200 metres and 250 metres.

Equinor expects to receive all the necessary permits and sign the grid connection agreements for the wind farm by 2023.

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Photo: Equinor; Illustration