Offshore wind
Together, we create winds of change
Reducing risks and managing complexity in offshore wind projects
We are a customer-centric and global engineering consultancy with extensive knowledge and experience in offshore wind. As your trusted advisor, we align with your priorities and project objectives. We take pride in building long-lasting relationships with our customers.
The combination of demanding marine environments, geology, heavy transportation and advanced technology makes offshore wind projects particularly complex. We navigate these complexities through a multidisciplinary approach.
Our team has worked on over 100 GW of offshore wind projects, covering 65% of the global market.
With over 35 years of experience, we draw on lessons learned from global execution and operational insights to ensure resilient, efficient and safe offshore wind infrastructures worldwide.
Our passion and expertise enable us to deliver technically excellent, high-value and reliable solutions.
Securing value engineering through data-driven design
Through digital platforms and expert analysis, we identify cost-saving opportunities and enhance design efficiency without compromising quality or safety. By reducing and optimising capital expenditures (CAPEX), operating expenditures (OPEX) and risks early on, we help deliver smarter, more sustainable solutions that lower your levelised cost of energy (LCoE).
Conquering wind and waves through technical knowledge and experience
We handle every challenge in offshore wind – from benign wind and waves in uniform soils to unstable, soft and layered seabeds exposed to earthquakes, typhoons and extreme wave conditions.
Your trusted advisor across every project phase
We bring comprehensive expertise as an owner’s engineer across all project phases, ensuring you are fully supported from early development through to operation.
Our services for offshore wind
Project development and feasibility
- marine spatial planning
- permitting and consent
- preliminary assessment of site conditions
- preliminary wind farm layout
- power system studies
- feasibility studies
- technical due diligence
- health and safety (HSE)
- environmental impact assessment
- environmental social impact assessment
- investment strategy and decision
- site investigation planning
- procurement and tendering
- business plan assessment
- stakeholder management
- owner’s engineering
- package management.
Conceptual design (CD / PreFEED)
- fixed and floating wind turbine foundations including electrical design
- offshore substation topside and foundations including electrical design
- power system design, and topology
- transmission including subsea inter-array and export cables, onshore export cable, and overhead line design
- grid and substation interconnection
- design and specification of SCADA and communication
- harbour assessments
- site investigations including client site representative
- laboratory planning and testing
- preliminary site conditions
- tendering and procurement
- DEVEX, CAPEX, and OPEX reports
- final investment strategy and decision.
Front end engineering design (FEED)
- fixed and floating wind turbine foundations including electrical design
- offshore substation topside and foundations including electrical design
- marine operations analysis
- power system design, and topology
- transmission including subsea inter-array and export cables, onshore export cable, and overhead line design
- grid and substation interconnection
- design and specification of SCADA and communication
- harbour assessments
- site investigations including client site representative
- laboratory planning and testing
- preliminary site conditions
- tendering and procurement
- DEVEX, CAPEX, and OPEX reports
- final investment strategy and decision.
Detailed design
- fixed and floating wind turbine foundations including electrical design
- offshore substation topside and foundations including electrical design
- marine operations analysis
- design for temporary works including guides, sea fastening, cradles, support frames
- power system design, and topology
- transmission including subsea inter-array and export cables, onshore export cable, and overhead line design
- grid and substation interconnection
- design and specification of SCADA and communication
- substation control systems (SCS)
- intelligent protective relay interface
- wind turbine generator control system
- windfarm management system
- vessel traffic management system
- harbour assessments
- site investigations including client site representative
- laboratory planning and testing
- site conditions and design basis including part A and part C for wind turbine foundations
- design for certification
- tendering and procurement
- DEVEX, CAPEX, and OPEX reports
- final investment strategy and decision.
Fabrication, transport and installation
- Implementation of fabricator friendly design
- design for temporary works including guides, sea fastening, cradles, support frames
- marine operations analysis
- construction supervision and audit to ensure technical compliance
- handling of non-conformities and management of change
- quality assurance and third-party review of design including turn-key design packages
- factory inspection of critical components
- factory acceptance test (FAT) and system integration test
- test and pre-commissioning management
- contract management, contractual and commercial compliance, progress reporting, processing of claims and variations
- as-built documentation and handover to operations.
Operation and maintenance
- operation and maintenance strategy and planning
- offshore survey planning and management including scour monitoring
- in-service asset and risk management
- lifetime extension strategy and assessment including risk based inspection and structural health monitoring programme
- cable monitoring
- electrical system monitoring
- power curve verification
- maintenance works.
Decommissioning
- partial and total decommissioning planning
- foundation retrieval
- substation retrieval
- cable retrieval
- seabed reinstatement
- environmental impact evaluation
- biological environment evaluation
- health and safety (HSE) planning.
A strong foundation
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Power systems
Foundation designWe design, integrate and optimise offshore wind power systems across the full project lifecycle.
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Site conditions
Foundation designIn all aspects across morphology, metocean, geology, geophysics and geotechnics, we turn large datasets into actionable insights and offer end-to-end consultancy.
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Monopiles
Read more about monopileWe have a long history of detailed design for more than 700 monopile foundations for offshore wind farms.
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Jacket structures
Read more about jacket designOur in-house experts cover all disciplines needed for conceptual or detailed design of three- and four-legged jacket structures.
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Offshore substations
Foundation designWe design the entire structure for offshore substations and all low-voltage installations.
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Floating structures
Read more about floating structures -
Gravity-based structures
Foundation designWe have extensive experience in feasibility assessment, design and implementation of gravity-based foundations for offshore wind projects.
Streamlined design processes with digital tools
COWIND Digital Toolchain is a seamless design execution platform and serves as the backbone of our foundation design process. It enables us to deliver optimised design solutions, making offshore wind projects smarter, faster and more reliable.
We know the market
We operate globally and work together across regional teams. This means that we support your project no matter the location.
With 200+ local offshore wind experts with a global outreach, we are ready to join your journey!
Get in touch with our team of offshore wind specialists
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Thor Ugelvig Petersen
Senior Market Director, Renewables and Transmission
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Thomas Löhning
Vice President, Global Offshore Wind
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Sebastian Flores
Senior Market Director, Renewable Energy International Activities
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Claus Kramhøft
Senior Technical Director, Global Offshore Wind
Related projects
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COWI A/S
Parallelvej 2
2800 Kongens Lyngby
Denmark
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