Seafox and Keppel Fels catch the wind
Keppel Fels' multi-purpose self-elevating platform (MPSEP) design as the basis for a new-generation, wind turbine installation vessel - Seafox 5 - destined for work in the North Sea.
Singapore, 29 July 2010 – Keppel FELS Limited’s (Keppel FELS) multi-purpose selfelevating platform (MPSEP) design has been chosen by the Seafox Group (Seafox) as the basis for a new-generation, wind turbine installation vessel that can withstand harsh offshore environmental conditions all year round in water depths of 65 metres in the North Sea.
Compared with existing wind turbine installation vessels, and the majority of those being constructed, this vessel can operate in some 45%-deeper waters, while reducing downtime even in extreme storm conditions, thus providing a potentially longer operational window. With a large carrying capacity of up to 12 turbines at a time, it enhances the efficiency of constructing offshore wind farms.
A 75/25 joint venture (JV) company has been formed between Keppel FELS and Seafox respectively, to build and own this US$220 million vessel. Seafox has the option of acquiring Keppel’s stake in the JV company.
The KFELS MPSEP, designed by Keppel’s R&D arm, Offshore Technology Development, has the distinctive ability over other existing vessels to install and maintain heavy wind turbine foundations, such as the jacket and tripod types, and especially in deeper waters. In addition to being well-suited for servicing offshore wind farms, it also meets all the stringent operating regulations of the offshore oil & gas industry and can support a wide range of related activities such as accommodation, well intervention, maintenance, construction and decommissioning.
Mr Wong Kok Seng, Executive Director of Keppel FELS, said, “The offshore wind energy market holds good potential for installation and maintenance vessels that can operate over long periods in deeper waters beyond 45 metres.
“The KFELS MPSEP will offer significant advantages in terms of safety, operations, time and cost to operators working in these harsh environments. By overcoming the typical limitations of the existing fleet in the market, this advanced vessel will redefine the way in which offshore wind farms are installed and maintained across the world.”
The KFELS MPSEP vessel is scheduled for delivery in the second half of 2012, and will be managed and operated by Workfox BV, a member of the Seafox Group.
Offshore wind energy industry potential
The European Wind Energy Association (EWEA) has set a target to achieve 40 gigawatts (GW) of offshore wind in the European Union by 2020, and 150 GW by 2030.
Offshore winds tend to flow at greater speeds than onshore winds, thus allowing turbines to produce more electricity. Although a good majority of existing offshore wind farms are located in water depths less than 45 metres, those coming online ar expected to move further offshore and into harsher environments such as the Central North Sea, where wind speeds are higher, constant and thereby requiring more robust solutions. There is also an increasing trend towards wind turbines with larger capacities which are heavier.
The UK expects to install some 8,000 offshore wind turbines in the next decade, to achieve the Round 3 offshore wind energy goal of delivering 15% of the UK’s electricity needs by 2020. Of these, it is estimated that some 2,700 turbines would be required at water depths greater than 45 metres. The KFELS MPSEP vessel is among the first on order worldwide that is capable of fulfilling this water-depth requirement.
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