The Renewable Energy Consultants

The Renewable Energy Consultants.

OWC 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

Our Experience

+330

Offshore wind projects

+50

Floating wind projects

71GW

Onshore wind

+220

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

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.

Research and Development

Research and Development

OWC is a leading research & development (R&D) partner across the marine renewable energy landscape.

Part of Aqualis – Energy, Marine, Engineering & Digital Solutions

OWC is part of Aqualis – 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 Design & 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 Aqualis – 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 Aqualis 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 Aqualis EDP Programme:

Accreditations:

Blogs and Insights

Meet the Team: Hannah Rens | OWC South Africa

Meet the Team: Hannah Rens | OWC South Africa

Apr 14, 2026 4 min read
This week, we sit down with Hannah Rens, a Junior Consultant for Onshore Renewables, based in our Cape Town office!
Meet the Team: Jeffrey Davis

Meet the Team: Jeffrey Davis

Apr 8, 2026 4 min read
Unlock long-term bankability in your wind project with Principal Cost Engineering Consultant, Jeffrey Davis, at OWC Germany.
Meet the Team: Rachel Crabtree

Meet the Team: Rachel Crabtree

Mar 31, 2026 6 min read
Talk environment impact assessments (EIAs) and marine consulting to support permitting in your offshore renewable energy plans with Rachel Crabtree.
Meet the Team: Jose Manuel Vidaller Segura

Meet the Team: Jose Manuel Vidaller Segura

Mar 18, 2026 4 min read
Discuss BESS solutions with Jose Segura – Principle Consultant in Energy Storage for OWC Spain.
Meet the Team: Patricia Mayoral Gregorio | OWC Nantes

Meet the Team: Patricia Mayoral Gregorio | OWC Nantes

Mar 3, 2026 4 min read
Meet Snr. Engineer at OWC Nantes – Patricia Mayoral Gregorio, and discover her work contribution to our sustainable development through her work on offshore and onshore wind life extension.
India’s Offshore Wind Market

India’s Offshore Wind Market

Jan 26, 2026 5 min read
With India Energy Week upon us, David Wotherspoon reflects on India’s Offshore Wind market so far, and what lies ahead.

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