Inch Cape successfully applied earlier this year to remove the capacity cap from its consent, allowing it to select the most powerful turbines on the market. The wind farm will be located 15-22 kilometres off the Angus coastline in Scotland, with water depths ranging from 43 to 55 metres.
SLPE successfully delivered the WTG foundation concept design for Inch Cape in March this year and, following a period of further design optimisation, has now been awarded the detailed design which is planned to start in early 2022.
In the meantime, SLPE is supporting Inch Cape with further concept refinement work and site investigation support, in order to inform key project decisions and develop high-quality design inputs in preparation for detailed design.
“We are delighted to be continuing our work for Inch Cape” said Joseph Hilton, Managing Director of SLPE. “Following the concept design phase, we undertook a refinement phase to further optimise our designs for a number of variables and uncertainties. These studies will contribute to the detailed design of monopiles that will support some of the largest offshore wind turbines in the market today. Inch Cape is also currently the deepest offshore wind farm in which monopile foundations are planned to be deployed.”
Nick Terry, Head of WTG Substructures, added that with water depths of up to 55 metres, the monopiles for Inch Cape will be among the largest in the world and that being able to demonstrate the feasibility of monopiles in these water depths has delivered significant cost savings to the project, when compared against jacket foundations.
“This has been made possible by our in-house iterative design and optimisation software, which enables each location-specific monopile design to be individually optimised for both structural weight and cost-effective fabrication” Mr Terry said. “Our monopile designs also incorporate advanced PISA-type geotechnical design, using full 3D finite element analysis and advanced soil constitutive modelling to simulate the soil-structure behaviour. This results in higher accuracy and considerable weight savings compared to conventional pile design methods. This advanced approach is delivered in partnership with Geowynd, who complement SLPE with their deep expertise in marine geotechnics.”
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