Offshore staff
PARIS/SINGAPORE — TenneT has awarded consortia of GE/Sembcorp Marine and GE/McDermott multi-year agreements until 2031 to connect eight offshore wind farms in the Dutch North Sea and three in the German sector.
These will feature Dutch-German transmission system operator TenneT’s next generation of offshore grid connection systems.
GE Renewable Energy’s Grid Solutions business has three high-voltage direct current (HVDC) contracts with a total value of about Eur6 billion ($6.53 billion) under its consortium with Sembcorp Marine, covering TenneT’s program in the Netherlands.
In addition, TenneT and a consortium between GE and McDermott have entered an agreement that could lead to two further HVDC contracts awards in Germany next month, with a combined value of around Eur4 billion ($4.35 billion).
The GE consortia projects’ scope covers the offshore converter platforms and the onshore converter stations for the two-way conversion between alternating and direct current. The converter stations are based on bipolar Voltage-Sourced Converter (VSC) technology, which should provide double the capacity compared to previous monopole grid connection systems, resulting in fewer cables and platforms
Sembcorp Marine’s responsibilities, for what is the company’s largest renewable energy project to date, cover engineering, procurement, construction, transportation, installation and commissioning of the three 2-GW HVDC offshore converter platforms, said to be the largest and most powerful in the industry.
The platforms will be progressively installed to serve the IJmuiden Ver Beta (62 km offshore), IJmuiden Ver Gamma and Nederwiek 2 (95 km offshore) grid connections. Each platform will comprise a 25,500-metric ton topside and a 9,500-metric ton jacket foundation structure.
Sequential construction will begin from third-quarter 2024 at Sembcorp Marine’s yards in Singapore and Batam, Indonesia. Sembmarine SLP in the UK will perform offshore hookup and commissioning, also providing logistics and warranty support from its base in the UK, and will establish a European office in the Netherlands.
TenneT expects to shortly award the BalWin3, LanWin4 projects (both connecting to the onshore grid in Wilhemshaven, northern Germany) and LanWin2 (connecting in Heide).
03.31.2023
