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RWE installs first turbine foundation at Sofia offshore wind farm

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Energy Global,

RWE has taken a huge step forward in delivering its flagship Sofia offshore wind farm with the installation of the project’s first offshore turbine foundation. With a capacity of 1.4 GW, Sofia is RWE’s largest offshore wind farm to date. After its expected commissioning in 2026, the project will be capable of generating enough electricity to power the equivalent of 1.2 million typical UK homes.

Following the installation of the essential subsea cable infrastructure, this installation marks the start of offshore construction within the array itself. It is the first of 100 foundations to be installed at the 593 km2 array.

Sven Utermöhlen, CEO RWE Offshore Wind, said: “Sofia is RWE’s largest offshore wind construction project to date, and its furthest from shore. Installing the first monopile is a highly symbolic moment in the construction of every offshore wind farm. After 14 years of planning and preparation, this is a great achievement for the entire RWE team. I’d like to thank everyone involved for their contribution. Building a project of this size and scale is a great opportunity to demonstrate our expertise in delivering offshore wind energy around the globe.”

Sofia offshore wind farm is located on Dogger Bank, 195 km from the nearest point on the UK’s north east coast, and will have a single offshore converter platform, with the electricity generated transported to landfall 220 km away in Redcar, Teesside.

The wind farm will use 100 Siemens Gamesa 14 MW offshore wind turbines (SG 14-222 DD), the most advanced offshore wind turbine technology available, and is scheduled to be completed by the end of 2026. A total of 44 of the project’s 100 turbines will be equipped with recyclable blades. Once completed, each 14 MW turbine will be 252 m tall, with a 108 m carbon and fibreglass blade, and a 222 m diameter rotor sweeping an area of 39 000 m2.

Operations and maintenance activities for the wind farm will be located at RWE’s new offshore wind operations base ‘Grimsby Hub’, which also supports RWE’s Triton Knoll offshore wind farm and future projects.

Van Oord, an international marine contractor, owns and operates the vessel Aeolus that carries out the work to install the foundations at the wind farm array on Dogger Bank. Following the successful construction of the Rampion, Humber Gateway, Robin Rigg, and London Array wind farms, Sofia is the fifth major offshore wind project the company is delivering in collaboration with RWE.

The vessel and crew will deliver the installation of three foundations per cycle, with a transit time of up to 16 hours. The total duration of this campaign phase will depend on sea conditions, but all 100 foundations are expected to be installed by spring 2025. This follows the installation of the high voltage direct current (HVDC) export cable which started during 2023.

The work also signals a new chapter for the Port of Tyne, which has undergone a significant upgrade in order to support this work.

 

 

For more news and technical articles from the global renewable industry, read the latest issue of Energy Global magazine.

Energy Global's Spring 2024 issue

The Spring 2024 issue of Energy Global starts with a guest comment from Field on how battery storage sites can serve as a viable solution to curtailed energy, before moving on to a regional report from Théodore Reed-Martin, Editorial Assistant, Energy Global, looking at the state of renewables in Europe. This issue also hosts an array of technical articles on electrical infrastructure, turbine and blade monitoring, battery storage technology, coatings, and more.

Read the article online at: https://www.energyglobal.com/wind/21052024/rwe-installs-first-turbine-foundation-at-sofia-offshore-wind-farm/?yptr=yahoo

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