Subsea Power Cable Installation

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 and CWind 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.

We have 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 and CWind are prepared for the challenge.

Global Marine Group acquired a majority stake in leading power cable specialist, CWind in February 2016. In November 2016 CWind became a wholly owned subsidiary, demonstrating the group’s on-going commitment to this growing market sector.

Global Marine Group’s power capabilities are now being delivered by CWind. Click here for more information.

The Cabling Process for our Power Projects

Our Subsea Power Track Record

2014

Margarita Island to Chacopata
Surface lay and PLIB of 2 x 30 km of power cables
Vessel: C.S. Sovereign - Location: Venezuela

2010

Pulau Ketam
Installation and burial of 12 km 11kv cable up to 13.8m deep
Vessel: Networker - Location: Malaysia

2010

EMEC
Installation of 2 x cable and shore ends at the tidal test site
Vessel: C.S. Sovereign - Location: North Sea

2010

Britned - Campaigns 3,4,5 & 6
Installation and burial of 1000MW HVDC bundled cables
Vessel: VOO - Location: North Sea

2010

Gjoa
Installation of 99 km HVAC cable & 1 km of dynamic AC cable to water depths of 300 m for Statoil
Vessel: VOO - Location: Norway

2009

Britned - Campaigns 1 & 2
Installation and burial of 1000MW HVDC bundled cables
Vessel: VOO - Location: North Sea

2008

NorNed
PLIB operations on the NorNed power cable at KP510
Vessel: Wave Sentinel - Location: North Sea

2007

Swecomex
Cable Installation and PLIB between 2 gas platforms
Vessel: Innovator - Location: Gulf of Mexico

2007

NorNed Survey
Burial survey as part of the NorNed 580km HVDC cable
Vessel: Wave Sentinel - Location: Norway

2006 - 2007

Nohoch A to Takin A
12km inter platform cable installation and ROV burial on behalf of Swecomex S.A. de C.V.
Vessel: Innovator - Location: Mexico

2006

Estlink
Lay & burial of inter-connector between Finland and Estonia
Vessel: C.S. Sovereign - Location: Baltic

2006

Aniva Bay
Cut trench in rock for composite cable installation. Rocksaw and Injector utilised to install the TLU power cable
Vessel: Networker - Location: Russia

2006

NorNed
Post lay inspection and burial work
Vessel: Wave Sentinel - Location: North Sea

2003

Akal Field, Mexico
Installation and burial of 3 x 15Kv power cable as a ring between 3 platforms for Sakhalin Energy IC
Vessel: Pacific Guardian - Location: Mexico

2001

UK - Scottish Islands
Installation of replacement cables for SSE
Vessel: C.S. Sovereign - Location: North Sea

1999

Galleon
Lay and burial of umbilical cable between platforms for Shell
Vessel: C.S. Sovereign - Location: North Sea

1997

Hong Kong
Route survey and cable installation work for Mitsubishi/CLP
Vessel: Networker - Location: South China Sea

1994

UK - Western Isles
Replacement of 5 cables for Scottish Hydro
Vessel: C.S. Sovereign - Location: North Sea

1990

UK - Western Isles
Cable installation off the coast of West Scotland
Vessel: VOO - Location: North Sea

1989

Boston Harbour
Installation of 3 cables in challenging conditions
Vessel: VOO - Location: Atlantic

1987

Malta
Installation of both power and control cable
Vessel: VOO - Location: Mediterranean Sea

Our Power Market Case Studies

Oil & Gas

Telecoms

Offshore Renewables

Power

Deep Sea Research

Whole Life Cycle of Power
Subsea Cables

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