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 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 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

Juan Frias

Meet the Team: Juan Frias

Dec 7, 20204 min read
As Senior Project Manager, I specialise in early phase project development activities. I work mainly in bid advisory, development and structuring for offshore wind tenders; feasibility studies; site selection; cost modelling; technical due diligence; markets and policy analysis; or business development activities.
IBAMA sets out Terms of Reference for offshore wind farm licensing

IBAMA sets out Terms of Reference for offshore wind farm licensing

Dec 1, 20203 min read
After three years of public consultation, a number of webinars and technical support from European experts, the Brazilian Institute for the Environment and Renewable Natural Resources (IBAMA) has concluded the standard terms of reference (TR) of licensing for offshore wind developments. These terms consolidate the scope required by the Environmental Impact Report (EIA/RIMA) regarding the […]
UK Wind Week – Messages from Staff

UK Wind Week – Messages from Staff

Nov 26, 20203 min read
It’s UK Wind Week and it’s a great opportunity to share the stories and successes of our wonderful industry. Here at OWC, we focus on helping clients realise their offshore wind projects with project development services, owner’s engineering and technical due diligence… offshore wind is all that we do!
OWC Charity Day

OWC Charity Day

Nov 18, 20202 min read
Give a little, gain a lot Before the second UK lockdown was announced, a team of OWC staff met up safely to volunteer outdoors and help a London charity. The team visited Good Food Matters, a small charity making a big difference in Croydon. It’s a food growing and cookery school, with a mission to […]
Zheming Li

Meet the Team: Dr Zheming Li

Nov 16, 20203 min read
“As Head of Geoscience Services with OWC, I manage and provide geotechnical services to support feasibility studies, technical due diligence, engineering design and project management for offshore wind farm development.”
Meet the Team: George Marling

Meet the Team: George Marling

Nov 2, 20203 min read
The team at OWC shares the passion, vision and values for working in energy and the world’s oceans, de-risking and driving the energy transition. We are driven by the idea that the best work is born from professionalism, diligence… and fun. You know OWC, but do you know our team? George Marling, Geotechnical Engineer | […]

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