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.

About OWC

Our Markets

Offshore Wind

Onshore Wind

Solar

Floating Solar

Energy Storage

Our Experience

+330

Offshore wind projects

+50

Floating wind projects

71GW

Onshore wind

+109

Solar PV projects

+25GW

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

Wind Consultancy

We work with you at every stage of a windfarm project’s lifecycle. With 330+ successful projects, we’ll support you every step of the way.

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Solar PV

Solar-powered renewables are the fastest-growing renewable technology. With over 20 experts around the world, we can help you to succeed in this high-demand sector.

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Energy Storage

Our veteran renewable energy consultants can work on individual battery energy storage systems (BESS), or joint-market projects requiring specialist technical insight.

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Wave and Tidal Engineering Consultants

Through our sister company INNOSEA, OWC will work with you on technical, advisory, engineering and marine assurance services to support the development of ocean energy technologies.

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Floating Solar

Floating photovoltaic (FPV) technology is still in its infancy, so our dedicated renewable energy consultants can work with you to provide market-leading support for your project.

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Hydrogen

With hydrogen considered a cornerstone of the global energy transition, we’ll work with you on full life-cycle projects across production, storage, and transportation.

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LEARN MORE ABOUT OUR SUCCESSFUL CLIENT PROJECTS

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.

Market Studies

Our practical experience in offshore wind markets globally positions us to support you with early-market studies, including regulatory compliance and route-to-market strategy.

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Technical Studies

Our technical studies can be applied at any stage of a project or asset’s lifecycle, supporting decision-making and maximising your performance.

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Owner’s Engineering

Mitigate risks across your renewable energy project. We can work with you to foresee every aspect of your project, eliminating the risk of delay and unplanned costs.

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Technical Due Diligence

Having a comprehensive view of your project is key for success. As your dedicated renewable energy consultants, we’ll provide an expert objective perspective to guide decision-making.

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Engineering

Utilise decades of renewable energy engineering experience in your next project. We’re focused on delivering, operating, and financing your energy projects at a competitive price point.

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Geoscience

Across any ground engineering project – whether offshore or onshore – we can provide multi-disciplinary geo-consulting guidance to steer your project in the right direction.

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Latest News

See all news

Meet the Team: Chiao-Pin Cheng | OWC Taipei15 May 2025
Meet the Team: Juliana Arraes | OWC Brazil1 May 2025
Windanker transaction successfully completed30 April 2025

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.

Interview with ABL France Managing Director and Structural Engineer, Hugues Delanoue for BSMART and LePoint, conducted with Michel Denisot, streamed to BSMART and LePoint: https://www.bsmart.fr/video/10145-le-grand-entretien-emission-19-novembre-2021

Answering the questions:
1. What do we consider the challenges in the energy transition?
2. Which markets do we work in?
3. What makes ABL stand out?
4. What are ABL's next challenges?
5. What are ABL's new ways of innovating?

ABL Group has operated in France since 2014, with an office in Paris, as well as its sister company Innosea - the Marine Renewable Energy Engineering Consultants - based in Nantes and Marseille.

ABL supports the renewables, maritime and oil & gas industries with a range of services across marine, engineering and consulting to help clients de-risk operations and drive the energy transition.

#EnergyandOceans

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YouTube Video UExuQlZ3M1hJYmR3Y3JBUW1UTEJUaEpLc1Ewbkl2b3FOQy4yODlGNEE0NkRGMEEzMEQy

Le Grand Entretien with ABL France's Hugues Delanoue - B SMART and Le Point

ABL Group 30 November 2021 14:13

Interview for B SMART and Le Point.

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YouTube Video UExuQlZ3M1hJYmR3Y3JBUW1UTEJUaEpLc1Ewbkl2b3FOQy4wMTcyMDhGQUE4NTIzM0Y5

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

ABL Group 6 December 2021 12:04

Presentation for SeanergyTV from ABL France Managing Director, Hugues Delanoue, and Innosea Managing Director, Hakim Mouslim, sharing AqualisBraemar LOC (ABL) Group experience in:

Fixed and Floating Offshore Wind: Lessons learnt from over 100GW

Touching on:

* Lessons learnt from contributing to over 230 offshore wind projects, and over 100 GW of capacity
* Experience in early engineering and planning
* Lessons learnt in execution and installation phases

(c) Seanergy TV.

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YouTube Video UExuQlZ3M1hJYmR3Y3JBUW1UTEJUaEpLc1Ewbkl2b3FOQy41MjE1MkI0OTQ2QzJGNzNG

ABL France @ Seanergy 2021: Fixed and Floating Offshore Wind - Lessons learnt from over 100GW

ABL Group 20 December 2021 11:10

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.

Our offices

Who we are

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.