Markets | Renewables | cable repair and O&M

Offshore wind cable repair and O&M

Protect your uptime. Reduce your risk.

Two workers in orange safety suits and yellow helmets managing thick orange and yellow cables on a ship deck with a blue sea and offshore wind turbines in the background.

DeepOcean helps offshore wind operators reduce downtime, manage cable risk and maintain long-term asset performance through fast-response cable repair and engineering-led operations and maintenance (O&M) support.

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Subsea heritage, applied to offshore wind installation

Offshore wind installation demands more than vessels and project management. It requires an engineering organisation that understands the seabed, knows how cables behave under installation loads and can solve challenges before they impact delivery. That’s the foundation DeepOcean brings to every cable installation scope.

Since 1999, we’ve delivered subsea infrastructure services across some of the world’s most demanding offshore environments. Our experience in cable installation, burial, survey and IMR transfers directly into offshore wind, giving developers and EPCI contractors a delivery partner with proven offshore assets, established methodologies and an engineering organisation of around 400 specialists supporting projects globally. Our flexible vessel asset model enables us to select the most suitable vessel for each scope and project from a broad pool of owned, chartered and partner vessels.

Engineering at the core

Over 400 engineers. In-house expertise. Direct access.

What sets DeepOcean apart in cable installation is the engineering expertise behind every project, not just the assets deployed offshore. Our organisation of more than 400 engineers supports method engineering, installation analysis, operational risk assessments, cable burial assessments and project execution across global regions. Customers work directly with in-house experts across scopes ranging from survey and seabed intervention services to full inter-array cable (IAC) transportation and installation solutions.

That engineering depth enables DeepOcean to engage early in the project lifecycle, refining methodology, identifying installation risk and influencing scope development before contracts are fixed. By remaining closely connected through delivery, we help customers reduce uncertainty and improve execution outcomes.

Our cable installation scope covers seabed preparation and survey services, inter-array and export cable installation, cable lay, pull-in, hang-off and routing, termination and testing, simultaneous lay and burial, pre-lay grapnel run (PLGR), and post-lay burial and protection.

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Offshore wind turbine with red and yellow markings on its tower, situated in the sea, next to a large blue and white service vessel equipped with a crane under a clear sky.

Why choose DeepOcean for cable installation?

Technical depth, collaborative delivery and a growing offshore wind track record across three continents.

Method engineering, installation analysis, route and cable installation engineering, burial assessment studies, pull-in engineering, and seabed intervention engineering, delivered by an organisation with more than 25 years of experience executing complex subsea scopes and installing static and flexible cables, applied directly to offshore wind installation.

Deep engineering capability

We adopt a collaborative working model, partnering closely with our customers to develop innovative and cost-effective solutions that create added value throughout the project lifecycle.

A collaborative approach

Active project delivery and tendering across key offshore wind markets, including the North Sea, the Baltic Sea, the Mediterranean, the US and Taiwan, supported by a large and flexible vessel fleet, engineering depth and regional knowledge required for global offshore wind development.

Knowledge that carries

”

DeepOcean brought a level of technical depth and collaborative attitude that made a real difference on a complex scope. They engaged early, understood the challenges and stayed close to the project through delivery. That's not something you always get from a contractor at this scale.

One partner, full lifecycle

Installation is the beginning, not the end

DeepOcean’s cable installation capability forms part of a full offshore wind lifecycle offering, from pre-construction survey, seabed preparations and route engineering through cable installation, trenching and protection, into long-term IMR and reconnect cable repair. One integrated engineering organisation supports the asset from first survey through to operational support.

That continuity helps reduce operational risk throughout the asset lifecycle. By retaining engineering and installation knowledge beyond project delivery, DeepOcean can support faster mobilisation, more informed maintenance planning and more efficient response when repair or IMR scopes arise later in the project life.

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Renewables

Yellow underwater remotely operated vehicle (ROV) named DEEPOCEAN suspended above the calm sea from a vessel at sunset.

Man wearing an orange safety jacket, white hard hat, and protective glasses, standing in front of a blue container with partially visible white text.

CONTACT

Ready to discuss your cable installation requirements?

Whether you’re developing a new offshore wind project or planning a complex installation campaign, DeepOcean can support your project with engineering-led delivery across the full asset lifecycle.

Anne Siri Røthe

Commercial Manager

renewables@deepoceangroup.com

FAQ

Other renewables services

Seabed Intervention

Delivering offshore wind seabed intervention services including jet trenching, boulder clearance and cable protection, with purpose-built assets and proven delivery.

Yellow subsea intervention vehicle labeled DEEP OCEAN partially submerged near offshore wind turbine foundations in a grey, cloudy sea.