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Wind farm costs
Technical detail
Development and project management
Wind Turbine
Balance of plant
Installation and commissioning
Operations and maintenance
Decommissioning
Wind farm costs
Procurement structures
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Guide to an
Offshore Wind Farm
Lifecycle overview
Technical detail
3
Development and project management
3
P Development and project management
P.1 Development and consenting services
P.1.1 Environmental impact assessments
P.2 Environmental surveys
P.2.1 Benthic environmental surveys
P.2.2 Fish and shellfish surveys
P.2.3 Ornithological environmental surveys
P.2.4 Marine mammal environmental surveys
P.2.4.1 Offshore ornithological and mammal surveying vessels and craft
P.2.5 Onshore environmental surveys
P.2.6 Human impact studies
P.3 Resource and metocean assessment
P.4 Geological and hydrographical surveys
P.4.1 Geophysical surveys
P.4.1.1 Geophysical survey vessels
P.4.2 Geotechnical surveys
P.4.2.1 Geotechnical survey vessels
P.4.3 Hydrographic surveys
P.5 Autonomous survey vessels
P.6 Engineering and consultancy
Wind turbine
3
T Wind Turbine
T.1 Nacelle
T.1.1 Bedplate
T.1.2 – Main bearing
T.1.3 Main shaft
T.1.4 Gearbox
T.1.5 Generator
T.1.6 Power take-off
T.1.7 Control system
T.1.8 Yaw system
T.1.9 Yaw bearing
T.1.10 Nacelle auxiliary systems
T.1.11 Nacelle cover
T.1.12 Small engineering components
T.1.13 Structural fasteners
T.1.14 Condition monitoring system
T.2 Rotor
T.2.1 Structural composite materials
T.2.2 Blade root
T.2.3 Environmental protection
T.2.4 Hub casting
T.2.5 Blade bearings
T.2.6 Pitch system
T.2.6.1 Hydraulic pitch system
T.2.6.2 Electric pitch system
T.2.7 Spinner
T.2.8 Rotor auxiliary systems
T.2.9 Fabricated steel components
T.3 Tower
T.3.1 Steel
T.3.2 Tower internals
T.3.2.1 Personnel access and survival equipment
T.3.2.2 Tuned damper
T.3.2.3 Electrical system
T.3.2.4 Tower internal lighting
T.3.2.5 Coatings
Balance of plant
3
B Balance of plant
B.1 Cables
B.1.1 Export cable
B.1.1.1 Cable core
B.1.1.2 Cable outer
B1.1.3 Cable accessories
B.1.1.4 Cable jointing and testing
B.1.2 Array cable
B.1.3 Cable protection
B.2 Turbine foundation
B.2.1 Monopile
B.2.2 Jacket
B.2.3 Transition piece
B.2.3.1 Crew access system and work platform
B.2.3.2 Internal platforms
B.2.3.3 Davit crane
B.2.3.4 J-tubes, I-tube or monopile entry point
B.2.4 Corrosion protection
B.2.5 Scour protection
B.3 Offshore substation
B.3.1 Electrical system
B.3.1.1 HVAC electrical system
B.3.1.2 HVDC electrical system
B.3.2 Auxiliary systems
B.3.3 Topside structures
B.4 Substation foundation
B.5 Onshore substation
B.5.1 Electrical system
B.5.2 Buildings, access, and security
B.6 Operations base
Installation and commissioning
3
I Installation and commissioning
I.1 Foundation installation
I.1.1 Foundation installation vessel
I.1.1.1 Foundation handling equipment
I.1.1.2 Foundation installation equipment
I.1.1.3 Sea fastenings
I.2 Offshore substation installation
I.2.1 Substation installation vessel
I.3 Onshore substation construction
I.4 Onshore export cable installation
I.5 Offshore cable installation
I.5.1 Export cable installation
I.5.2 Array cable installation
I.5.3 Cable-laying vessel
I.5.3.1 ROV
I.5.3.2 Cable-handling equipment
I.5.4 Cable burial
I.5.4.1 Cable burial vessel
I.5.4.2 Cable plough
I.5.4.3 Trenching ROV
I.5.4.4 Vertical injector and jetting sled
I.5.5 Cable pull-in
I.5.6 Electrical testing and termination
I.6 Turbine installation
I.6.1 Turbine installation vessel
I.6.1.1 Turbine handling equipment and sea fastenings
I.6.2 Commissioning
I.7 Construction Port
I.8 Offshore logistics
I.8.1 Sea-based support
I.8.2 Marine coordination
I.8.3 Weather forecasting and metocean data
Operations and maintenance
3
O Operations and maintenance
O.1 Operations
O.1.1 Training
O.1.2 Onshore logistics
O.1.3 Offshore logistics
O.1.3.1 Crew transfer vessels
O.1.3.2 Service operation vessels
O.1.3.3 Turbine access systems
O.1.3.4 Helicopters
O.1.4 Health and safety inspectors
O.1.4.1 Health and safety equipment
O.2 Maintenance and service
O.2.1 Turbine maintenance and service
O.2.1.1 Blade inspection and minor repair
O.2.1.1.1 Unmanned aerial vehicle
O.2.1.1.2 Autonomous vessels
O.2.1.2 Main component refurbishment, replacement and repair
O.2.1.2.1 Large component repair vessel
O.2.2 Balance of plant maintenance and service
O.2.2.1 Foundation inspection and repair
O.2.2.1.1 Remotely operated vehicle
O.2.2.1.2 Autonomous underwater vehicle
O.2.2.2 Cable inspection and repair
O.2.2.3 Scour monitoring and management
O.2.2.4 Substation maintenance and service
Decommissioning
3
D Decommissioning
D.1 Turbine decommissioning
D.2 Foundation decommissioning
D.3 Cable decommissioning
D.4 Offshore substation decommissioning
D.5 Decommissioning port
D.6 Reuse, recycling, or disposal
D.6.1 Blade recycling
Wind farm costs
Procurement structures
UK projects
UK content
UK offshore wind history
Glossary
More information
Contact
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