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
Floating Solar
Energy Storage

Our Experience


Offshore Wind Projects


Floating Wind Projects


Solar PV Projects


Battery Energy Storage (BESS)


Hydrogen Projects

Delivering scalable Renewable Energy from concept to operations

Discover our experience across the sectors

Our Services

Market Studies

Market Studies

Supporting in early-market studies, site identification & characterisation, market regulations, and route-to-market strategy.
Technical Studies

Technical Studies

Offering a vast range of technical expertise to provide clients with technical studies in almost every area of interest.
Owner’s Engineering

Owner’s Engineering

Our owner’s engineering ensures your project runs on time, on budget and according to your objectives.
Technical Due Diligence

Technical Due Diligence

Specialist technical due diligence supporting the financing, acquisition, sale and refinancing of assets, technology and companies within the renewable energy market.


OWC draws on a vase range of engineering expertise to provide you with specialist engineering and analysis across every stage of a renewable project’s lifecycle.


Dedicated multi-disciplinary geoscience team covering geotechnical, geophysical, geospatial engineering, supporting renewable energy projects in understanding and mitigating their ground risks.
Research and Development

Research and Development

Innosea – the French branch of OWC – is a leading research & development (R&D) partner across the marine renewable energy landscape.

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 11:04

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 39 locations 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 2024 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 2024 intake open on October 23rd and close January 2024. 

Companies in the ABL Group EDP Programme:

OWC logo
Longitude logo


Blogs and Insights

Will Cleverly – A Year In Review

Will Cleverly – A Year In Review

Dec 13, 20196 min read
If I look back at 2019 to define 2020, I can only suggest that it will be another momentous year for our industry. We will finish 2019 with around 29 GW of global generation capacity and circa 5.4 GW ready to be online in 12 months.
Ana Pirrone

Meet the Team: Ana Pirrone

Dec 12, 20192 min read
As part of the Geotechnical Engineering team, I work alongside a great team of professionals, and we are involved not only on ground engineering but also in other aspects of consultancy work.
Meet the Team: Howard Hu

Meet the Team: Howard Hu

Nov 21, 20192 min read
With previous participation in developing one of the demo projects in Taiwan, I bring practical insights and analyses of Taiwanese offshore wind market and supply chain to our clients.
CfD 3 Analysis – OWC’s Deep Dive into the Future

CfD 3 Analysis – OWC’s Deep Dive into the Future

Sep 26, 201910 min read
Friday’s CfD3 award announcement seemed a long time in coming, but that may be more to do with the rather chaotic times we are living in.
Alice Ridgeway

Offshore wind India

Jun 24, 20191 min read
Before you look up at the turbines, look down at the ground risks…
New Request for Proposals for Offshore Wind Energy Generation in Massachusetts

New Request for Proposals for Offshore Wind Energy Generation in Massachusetts

Apr 10, 201911 min read
On March 27th, Charlie Baker, Governor of Massachusetts, issued a Request for Proposals (RfP) for long term contracts for offshore wind energy generation and renewable energy certificates (RECs).

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