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A decision support framework for the evaluation of installation strategies of superstructures for offshore wind farms

Journal Article (2025)
Author(s)

Tenzin Frijlink (Student TU Delft)

S. Fazi (TU Delft - Transport and Logistics)

Lórant Tavaszzy (TU Delft - Transport and Logistics, TU Delft - Transport, Mobility and Logistics)

MB Duinkerken (TU Delft - Transport Engineering and Logistics)

Leon Lammers (Royal HaskoningDHV)

Research Group
Transport and Logistics
DOI related publication
https://doi.org/10.1016/j.oceaneng.2025.121144
More Info
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Publication Year
2025
Language
English
Research Group
Transport and Logistics
Volume number
329
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Abstract

The demand for new offshore wind farms is increasing at a rapid pace, and the installation rate must be quadrupled by 2030 to meet the ambitions of European countries. The installation of the superstructures involves several components and is highly weather-dependent, making this an important bottleneck. In this paper, we evaluate the two main strategies for the installation of superstructures: feedering and shuttling. With feedering, the installation vessel is fed with components by feeder vessels directly from manufacturing ports. With shuttling, the installation vessel retrieves the components itself from a marshalling port. In contrast to existing studies, we include manufacturing ports and their production rate to have a better understanding of their influence on the installation rate and develop a rolling horizon optimization-simulation framework composed of a mixed integer linear programming model and a Markov simulation model for weather forecasting. A heuristic is proposed to solve the model to overcome the limitation of commercial solvers. Results indicate that accurate initial buffer calculations, depending on the production rate at the manufacturing ports and project-dependent characteristics, can increase the installation rate significantly for both strategies. Finally, feedering outperforms shuttling in most scenarios and is less weather dependent.