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 France @ Seanergy 2021: Fixed and Floating Offshore Wind - Lessons learnt from over 100GW
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.
The Renewable Energy Consultants.
Engineering technical consultancy and support services by being a specialised player in offshore renewable energies.
The Engineering Consultants.
Independent engineering, design and analysis consultants working across marine markets: renewables, oil & gas, maritime, small craft and defence, and infrastructure.
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:
Accreditations:
Blogs and Insights
Safety in Numbers: Benefits of Portfolio Diversification in Renewable Energy Investment
Meet the Team: Vasilis Markatselis | OWC London
The Case of California: $757m Auction closes with Offshore Wind Winners
Meet the team: Erica Lee | OWC Taiwan
Brazil’s Ambition as a Regional Powerhouse Gets Nearer
