Transportation & Installation Support

Working with the world’s largest offshore renewable energy installation contractors, LOC Renewables provides market-leading technical expertise supporting transportation and installation (T&I) operations for offshore assets of any size, weight and value. Our capabilities in offshore infrastructure engineering includes T&I operations for cables, substations, jackets, monopiles, transition pieces, towers, nacelles and blades racks. These services have been provided for barges, ships and jack-up installation vessels.  

130 Offshore Wind
16 Countries
38.4GW Total Capacity

LOC Renewables brings a wealth of knowledge and experience to each individual client’s project from our comprehensive track record of successfully completed renewable energy engineering projects. We also have an in-depth knowledge of the Classification Society and Marine Warranty Surveyor requirements that apply to this maturing market.

Our T&I capabilities covers the following services: 

  • Naval architecture services including: stability, motions, hydrodynamics, blade tip immersion, skidding and survival moorings, load outs and transportations for both cable and infrastructure installation jack-up vessels
  • Structural design, analysis, 2D drawings and 3D modelling for vessel and marine operations ranging from global FEA to local seafastenings to meet Class and MWS requirements
  • Permanent vessel conversions for cable lay / transportation including: carousel integration, back deck layouts, accommodation blocks, mooring systems and DP conversions
  • Temporary cable lay vessel mobilisations including structural services from carousel integrations through to concept deck layouts, design and seafastenings for cable handling equipment such as tensioners, diverters, chutes and shipyard support and project management to optimise the mobilisation process
  • Site specific analysis of self-elevating platforms
  • Operability studies for limiting sea state of marine operations
  • Cable lay, pull-in and seabed stability Orcaflex analyses

Key Contacts

Marine Engineer


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Renewables Lead, Longitude

Exeter, Longitude

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News & Events View All

LOC at Subsea Cable Asset Management & Reliability Forum

LOC Renewables specialists in subsea cable laying operations and engineering, were invited to contribute to the discussion at the Subsea Cable Asset Management & Reliability Forum, taking…

LOC Took Part in IUMI2020 Discussion on Remote Surveying

“Two of the speakers for this year’s online Offshore Energy Workshop, moderated by James McDonald, head of energy at Sompo International in London and chair of the IUMI offshore…

Longitude Expands Jack-up Rig Engineering Team

Longitude, the engineering and design branch of LOC Group, is pleased to announce the expansion of its jack-up rig engineering team to offer expertise in seismic…