The Renewable Energy Consultants

The Renewable Energy Consultants.

OWC – an ABL Group company – combines a legacy in offshore wind, multi-disciplinary engineering expertise and market experience across renewable energies offshore and onshore, to support the commercial development of wind power, solar PV, hydrogen and energy storage solutions with the most comprehensive technical offering in engineering, consultancy and advisory.

Offshore Wind
Onshore Wind
Solar
Floating Solar
Energy Storage

Our Experience

+330

Offshore wind projects

+50

Floating wind projects

15GW

Onshore wind

+70

Solar PV projects

+5GW

Battery energy storage (BESS)

+40

Hydrogen projects

+300GW

Wind power

+40

Countries globally

Dedicated renewable energy consultants, from concept to operations

OWC has worked with clients on wind power projects since 2011, but as a multi-disciplinary renewable energy consultancy, we’re equipped to deliver results across a wide range of sectors. If there is an emerging renewable energy market, we’ll be there to help you develop a strategy and achieve consistent results.

Discover our experience across the sectors

Our Services

Our extensive legacy as renewable energy consultants has allowed us to expand our service offering continuously. With experience across the board, we can tailor our services to your specific renewable energy project – and achieve exceptional results together.

Part of ABL Group – Energy, Marine, Engineering & Digital Solutions

OWC is part of ABL Group – the global consultancy delivering energy, marine, engineering and digital solutions to drive safety and sustainability in energy and oceans. This enables us to work with all types of stakeholders across the renewable energy value chain, providing technical and advisory solutions to drive optimisation and safety at every stage of a project or asset’s lifecycle.

Le Grand Entretien avec Hugues Delanoue, Managing Director ABL Group France.

ABL Group 6 December 2021 12:04

The Energy & Marine Consultants. ​

Global, independent energy, marine and engineering consultant working to de-risk and drive sustainability across projects and assets in renewables, maritime and oil & gas. ​

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The Renewable Energy Consultants. ​

Engineering technical consultancy and support services by being a specialised player in offshore renewable energies.

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The Engineering Consultants. ​

Independent engineering, design and analysis consultants working across marine markets: renewables, oil & gas, maritime, small craft and defence, and infrastructure. ​

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Where we are

OWC is headquartered in London, with an expanding global presence. Part of ABL Group – leading international marine and energy consultants – OWC works across the group’s extensive global footprint in more than 60 offices in Europe, the Americas, Asia-Pacific, the Middle East and Africa.

Work with us

At OWC, we are continually recruiting talented people with a passion for driving the global energy transition. Find out more about our career opportunities for students, graduates, engineering professionals, business development and others. 

The ABL Group Engineer Development Programme 

September 2025 intake

Your fast track to a career in renewable energy, maritime or oil & gas. 

Apply for a place on our accredited 4-year international engineering graduate scheme. What we offer: 

  • Opportunity to work abroad and with global teams
  • Experience across different market sectors fields
  • Chance to apply your knowledge to developing real solutions for change 

Applications for the September 2025 intake open in October and close in early January 2025.

Companies in the ABL Group EDP Programme:

OWC logo
Longitude logo

Accreditations:

Blogs and Insights

Meet the Team: Liam Greenhalgh | OWC South Africa

Meet the Team: Liam Greenhalgh | OWC South Africa

Jul 3, 20243 min read
At OWC, our teams are constantly expanding, into more locations, in expertise and in sectors of influence, so that our people can truly drive safety and sustainability across our energy and oceans. Our people are at the heart of what we do, and we invite you to get to know our team members so you […]
Bass Strait from Philip Island, Australia

Navigating the Turbulent Waters of Bass Strait for Offshore Wind Construction

Jul 3, 20245 min read
In our latest commentary, Will Philbedge, Transportation and Installation Lead at OWC, provides insights on the impact of weather conditions in Australia […]
The Impact of CfD (Contracts for Difference) on Italy’s FER2 Decree

The Impact of CfD (Contracts for Difference) on Italy’s FER2 Decree

Jul 2, 20245 min read
What does the future hold for Italy’s renewable energy landscape? To unravel this, we turned to David Wotherspoon, Director of New Geographies at OWC, and Riccardo Gnocchi, Senior Naval Architect at Longitude Engineering. In an exclusive deep dive, they elucidate the nuances of Italy’s FER2 Decree, breaking down the eligibility criteria, Contracts for Difference (CfD), and the potential impact on renewable energy projects. Their insights promise a compelling glimpse into the strategies shaping a greener Italy […]
Meet the Team: Danny Ng | OWC Taiwan

Meet the Team: Danny Ng | OWC Taiwan

Jul 1, 20243 min read
At OWC, our teams are constantly expanding, into more locations, in expertise and in sectors of influence, so that our people can truly drive safety and sustainability across our energy and oceans. Our people are at the heart of what we do, and we invite you to get to know our team members so you […]
Meet the Team: Laura Suarez

Meet the Team: Laura Suarez

Jun 21, 20243 min read
At Innosea and OWC, our teams are constantly expanding, into more locations, in expertise, and in sectors of influence, so that our people can truly drive safety and sustainability across our energy and oceans. Our people are at the heart of what we do and we invite you to get to know our team members […]
From Price to Progress: Impacts of evolving offshore wind auction criteria

From Price to Progress: Impacts of evolving offshore wind auction criteria

Jun 20, 20243 min read
OWC Senior offshore wind consultant, Kirsty Watt, shares insights into the evolving offshore wind auction landscape, and namely an increasing transition to a more holistic set of criterion and the emergence of non-price criteria (NPC). Whilst NPC aims to drive increased social and community value for local markets from planned offshore wind projects, what impacts […]

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