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All jackets and subsea cables installed at Formosa 2

By: Tom Russell 01/09/2022 Swancor Renewable Energy

General Windfarms

Swancor Renewable Energy (SRE) announced that the Formosa 2 offshore wind project has hit multiple construction milestones, including the completion of all 47 wind turbine jacket foundations and subsea cable installation works. The final jacket foundation was installed on 26 August, with the subsea cable works reaching installation completion six days later today (1 September).

SRE revealed that Formosa 2 has completed 27th wind turbine installation, which is more than half of the total turbines. Among them, 8 wind turbines have started generating power to the national grid.

The turbine foundations of Formosa 2 were designed and constructed specifically to suit Formosa 2's geological and met-ocean conditions, also taking account also of seismic conditions. The jacket foundation structures are amongst the tallest constructed to date world-wide at up to 91 m in height and weighing up to 1,581 tons. The 47 structures were installed on the offshore site between April and 26 August 2022.

The pin piles, which the jacket foundations are installed upon, are approximately 2.4m diameter, up to 277 tons in weight and some 78.9m in length. The installation of the 188 pin piles was concluded earlier in August 2022. The wind turbine foundations are connected by 47 sections of Inter Array Cables with a further four export cables transmitting the power to the onshore electricity grid. The combined total length of installed subsea cables is 114km with all subsea cables rated at 69kV.

Owned by JERA, Macquarie’s Green Investment Group, and Swancor Renewable Energy, Formosa 2 will be one of Taiwan’s largest offshore wind projects. The project is located between four and ten nautical miles off Miaoli County and will consist of 47 turbines each with an 8 MW capacity. With an overall capacity of 376 MW, it is expected to produce enough power for up to 380,000 Taiwanese families with green energy.

For more information on the Taiwanese offshore wind market overall, click here. You can also view projects worldwide on 4C Offshore's Interactive map.

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All jackets and subsea cables installed at Formosa 2

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