27/10/25
Offshore Wind
Your trusted partner in the design and engineering of offshore wind foundations, bottom-fixed and floating, from concept design, FEED to detailed design engineering.
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A Breadth of Offshore Wind Foundation Services
Longitude combines the extensive operational experience of the wider ABL Group in all offshore wind foundation types, with a breadth and depth of engineering and design talent, to provide an expert offering in offshore wind foundations.
Led by reputable professionals in this market, we provide design expertise across the following:
- Wind turbine generator (WTG) foundations
- Substation foundations
- Submarine power cable engineering
Our Services in Offshore Wind Design
Wind Turbine Generator (WTG) Foundations
With a Group-wide experience across many offshore wind farms globally, we possess extensive knowledge in offshore wind design projects.
Our global team specialises in the design and engineering of offshore wind turbine foundation structures, ensuring reliability in our clients’ processes.
We provide services including concept development, Front End Engineering Design (FEED), and detailed design for bottom-fixed and floating Wind Turbine Generator (WTG) foundations.
Our expertise includes certification, fabrication, and installation solutions, aimed at reducing risks and enhancing predictability.
Our expertise in every phase of the design life of an offshore wind farm provides our team with a comprehensive perspective on the challenges and risks to address at this advanced stage, working alongside our sister company OWC, the renewable energy consultants.
Offshore Substation foundations
The multi-disciplined team and the broader Group have extensive experience in offshore substations, covering concept, feasibility, design, installation, and operations. They offer concept design, FEED, and detailed design services.
Submarine power cable engineering
Longitude offers design and engineering services for subsea cables, with experience in various advanced analyses and simulations for risk mitigation in cable lay operations.
Our Approach
Our foundation design engineering approach merges Longitude’s structural engineering skills with multidisciplinary expertise from across the Group. It also incorporates technical know-how gained from our offshore wind projects, including feasibility studies, technical advisory, project development and management, T&I, and O&M.
Our Disciplines:
- Structural engineering
- Geotechnics and geoscience
- Hydrodynamics and loads
- Scour and seabed mobility
- Electrical and instrumentation
- Corrosion protection
- Transport and installation (T&I)
- 3D modelling, drafting and MTO
