EPC · T05 · Renewable generation
Wind Energy — Onshore & Offshore EPC Infrastructure
Wind energy infrastructure through integrated engineering, balance-of-plant delivery, electrical systems and grid integration.
BARREL supports onshore and offshore wind infrastructure packages, coordinating specialist technology providers, civil and structural contractors, electrical engineering teams, marine contractors and grid infrastructure interfaces as required.
Turbines are supplied by their manufacturers; BARREL's role is the balance of plant, the electrical and grid scope, and the interfaces that make the whole farm work as one asset.
- Segments
- 6
- Work packages
- 2
- Scope items
- 27
01 · Classification
Technology segments
- 01
Onshore wind farms
- 02
Offshore fixed-bottom wind
- 03
Floating offshore wind
- 04
Repowering and capacity augmentation
- 05
Wind-solar hybrid projects
- 06
Wind-BESS integrated projects
02 · Value chain
Value chains
Every package is defined in the proposal with its interfaces, specifications, milestones and acceptance criteria.
Onshore wind value chain
- 01Wind resource and metocean data coordination
- 02Wind measurement and assessment
- 03Turbine technology and capacity selection
- 04Micrositing and layout optimisation
- 05Land and right-of-way coordination
- 06Access roads and crane platforms
- 07Turbine foundations
- 08Tower, nacelle and blade logistics
- 09Wind turbine erection
- 10Internal electrical collection systems
- 11Pooling substations
- 12EHV evacuation lines
- 13SCADA and communication systems
- 14Testing and commissioning
Offshore wind value chain
- 01Offshore site and seabed study coordination
- 02Metocean and marine-condition assessment
- 03Geophysical and geotechnical survey coordination
- 04Wind farm layout and turbine interface planning
- 05Foundation engineering interfaces
- 06Monopile, jacket and floating foundation packages
- 07Offshore substations and electrical systems
- 08Inter-array submarine cables
- 09Export cable systems
- 10Cable landfall infrastructure
- 11Marine logistics and installation coordination
- 12Onshore grid connection
- 13Offshore commissioning and operational handover
03 · Further scope
Additional technical areas
- Wake-effect assessment coordination
- Grid-code compliance
- Reactive power compensation
- Dynamic performance requirements
- Lightning protection
- Condition monitoring
- Blade inspection
- Corrosion protection
- Marine environmental controls
- Offshore asset maintenance interfaces
Scope boundary
Offshore wind packages are delivered with specialist marine, geotechnical and installation partners; the proposal names who carries each interface.
One delivery framework
Specialist scope. Common discipline.
Every technology page keeps its own engineering identity; every project runs on the same controls, quality, HSE and handover framework.
Project enquiry
Discuss your wind infrastructure project.
Share the technology, location, capacity and stage of your project. BARREL's engineering team replies with the scope it can take on, the specialist partners it would bring in and the next step towards a technical proposal.
Performance guarantees, output guarantees and turnkey responsibilities are contract-specific and are set out in each proposal.

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