Subsea Power

Global Marine has an unprecedented track record in the installation of subsea cable that dates back to 1850 in the 165 years since Global Marine has installed 300,000km of cable which equates to 22% of the world total and it has been installing power cable since the late 1980’s.  

This extraordinary track record positions Global Marine as an able partner in delivering subsea engineering solutions, whether the need is for an interconnector or links to an offshore energy grid Global Marine 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.

Global Marine has the capability to install power cables whether the requirement is HVDC or HVAC, and with experience in operating in very shallow (less than 10m) and the very deep (over 6,000m) is able to deliver a vast array of projects.

With a comprehensive range of subsea equipment including the recently acquired Q1000, capable of trenching pipelines, umbilicals and cables with a product diameter of 500mm to a depth of 3m; and an extensive fleet including the C.S. Sovereign  which has 2 x 2,300t powered turntables installed below deck ensures Global Marine is prepared for the challenge.

Global Marine has an unprecedented track record in the installation of subsea cable that dates back to 1850 in the 165 years since Global Marine has installed 300,000km of cable which equates to 22% of the world total and it has been installing power cable since the late 1980’s.  

This extraordinary track record positions Global Marine as an able partner in delivering subsea engineering solutions, whether the need is for an interconnector or links to an offshore energy grid Global Marine 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.

Global Marine has the capability to install power cables whether the requirement is HVDC or HVAC, and with experience in operating in very shallow (less than 10m) and the very deep (over 6,000m) is able to deliver a vast array of projects.

With a comprehensive range of subsea equipment including the recently acquired Q1000, capable of trenching pipelines, umbilicals and cables with a product diameter of 500mm to a depth of 3m; and an extensive fleet including the C.S. Sovereign  which has 2 x 2,300t powered turntables installed below deck ensures Global Marine is prepared for the challenge.

Power cable infographic

The Cabling Process for our Power Projects

Complete Solution Provider

Subsea cable provider

Global Marine offers a comprehensive set of services for the life of a subsea cable from pre-project planning, skilled engineers and crew to install and robust maintenance solutions though to cable recovery and future system subsea solutions

Permitting

Telecoms route permitting

One of many of the Cable Route Services offered to obtain and assist with any consents, licences, permits or other permissions required locally.

Landing Point

Offshore landing point

Whether it's a beach manhole or OGB (Ocean Ground Bed) Global Marine deliver a complete offshore solution enabling end-to-end system connectivity.

Pre-Laid Shore End

Pre-Laid Shore End

Using barges or vessels of opportunity equipped to install and bury power cable from the cable landing. Generally solutions range from 0-50m dependant on cost optimisation.

Deep Burial

Subsea cable deep burial

Global Marine's Rocksaw and Injector are capable of deep burial in rock to a depth of 4 metres for Rocksaw and in softer seabed conditions for the Injector to a depth of 12 metres.

Cable Storage

Telecoms cable storage

Global Marine has storage facilities available for customers at our depots, which are easily upgraded for power cable storage.

Shallow Water Experts

Shallow water experts

Operating in water zones from 0 to 50 metres, in challenging environments and often in close proximity to other cables and pipelines.

Diver Support

Telecoms diver support

All diving activities globally are carried out under UK Health and Safety Executive Diving Regulations and codes of practice in addition to IMCA International Code of Practice for Offshore Diving.

Cable Protection

Subsea cable protection

Mitigating risk by engineered solutions for appropriate cable protection and burial.

Route Engineering

Cable route engineering

Our Route Engineering team provide a comprehensive range of services from desk top study, marine study and route engineering services to ensure the best and most cost effective subsea solution is found for your cable installation.

PLIB

Subsea cable PLIB

Post Lay Inspection & Burial minimises risk ultimately protecting the cable.

Vessel Capability

Subsea cable installation vessels

Installation in water depths ranging from the very shallow (<13m) to the very deep through our purpose built cable ships or barges converted to meet project requirements.

Heritage

Cable installation heritage

Global Marine has a legacy of installing and maintaining subsea cable that dates back to the 1850's providing customers today with knowledge and a skill set second to none.

Jointing Services

Subsea cable Jointing services

Global Marine can assist with installation and repair of both power and composite cables.

Power Cable subsea installation
Map

Our Power Market Case Studies

Oil & Gas
Telecoms
Offshore Renewables
Power
Deep Sea Research
Whole Life Cycle of Power
Subsea Cables
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Cable Route Services

Upfront services include: desk top study, permitting, route survey & engineering as well as access to the industry-leading GeoCable GIS system, charting services and cables records services. Read More >

Installation

Global Marine has a track record in delivering the project engineering and installation of power cable systems that dates back to 1987. Find out more about our installation services. Read More >

Test Facility

Providing cable manufacturers the reassurance that their product is suitable for the harsh marine environment, with extensive cable testing and qualification. Read More >

Jointing Services

Global Marine personnel are fully trained to complete jointing operations for power cable installations.

Cable Recovery

At the end of a systems life Global Marine is able to recover previously laid cable, which might need to be removed to make way for a new system.
For further information speak to our sales teams:
Asia Pacific +65 65131300 - UK +44 1245 702000 - Send us a Contact Form

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