Pre-project Planning & Cable Installation

A total solution from route engineering, project engineering and through the installation phase

Global Marine Group’s power cable installation, maintenance and repair services to the offshore utilities and renewables market are delivered by Global Offshore.

The Group has been in offshore wind since it’s conception and was responsible for installing the inter array cables at the UK’s first offshore wind farm Blyth in 2000, at Europe’s first commercial wind farm Horns Rev in 2002 and at the UK’s first commercial wind farm Kentish Flats in 2004. Since then, the company has worked at  50 wind farms across Europe.

Whether the need is for an interconnector or links to an offshore energy grid, the Group has a culture that is committed to delivering safe, innovative solutions utilising the company’s outstanding engineering and project management capability, adapting to each project’s specific needs.

Cable installation at an offshore wind farm development is a critically important phase. There were reportedly as much as £213 million in insurance losses from 28 UK offshore wind claims between 2002 and 2015, 68% were directly due to cable faults occurring predominantly during the construction phase.

The experience and track record of the Global Marine Group and its people are a true asset to any project, ensuring that solutions are delivered, overcoming engineering challenges and getting them right first time.

Cable installation vessel, the C.S. Sovereign, part of the Global Marine Group fleet, has an exemplary track record working in wind farms and has installed almost 15% of all inter array cables globally. The latest addition about to join the Group fleet, the Global Symphony, is a proven asset having worked on many offshore wind farm projects. With approximately 400m² of available space aft of the cable lay spread, the Symphony is able to carry up to ten 20-foot containers of cable protection system and retains the option to carry the Q1400 Trenching System spread along with the cable lay spread.

Using expert crews and in-house engineering capabilities, the Global Marine Group collaboratively has installed 850 inter array cables and 890 cable pull-ins across almost 50 UK and European wind farms.


  • The Symphony, a multi-purpose vessel built in 2011 with an extensive 1,400m² deck space is the latest addition to the Global Marine Group fleet
  • Unprecedented track record across the group with 850 inter array cables installed and 890 cable pull-ins across 50 European wind farms
  • FEED/desk top study
  • Route engineering
  • Project engineering
  • Planning & project management
  • Permitting
  • Power cable, umbilicals, inter array and telecoms cable installation from experienced and purpose-built cable ships
  • Engineered cable protection & burial solutions suitable for the seabed environment
  • J and I-tube installations
  • Cable pull-ins
  • Experience in very shallow (less than 10m) and very deep waters
  • A total cable solution, eradicating conflict caused by discrepancies in survey and route planning information
  • High specification, capable seagoing vessels with low weather downtime

Our Latest News:

Posted: 23/08/2019

CWind Taiwan awarded 2 crew transfer vessel charters for Formosa 1 offshore wind farm

CWind Taiwan announced that it has been awarded two Crew Transfer...

Posted: 19/08/2019

Taiwan’s first offshore wind training center accredited by Global Wind Organisation

Taipei, 8th July 2019. CWind Taiwan announced today that its invested...