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. ​

​Find out more

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

Ana Pirrone wins BGA prize for work on machine-learning in geotechnics

Ana Pirrone wins BGA prize for work on machine-learning in geotechnics

Jun 30, 20222 min read
OWC Snr Geotechnical Engineer, Ana Pirrone, was recently awarded the British Geotechnical Association (BGA) Master Dissertation Prize 2021 for her MSc Dissertation at Imperial College London, entitled: “Geotechnical data integration in the calibration of constitutive models using machine learning and metaheuristics.”
Meet the team: Sunjung Kim | OWC South Korea

Meet the team: Sunjung Kim | OWC South Korea

Jun 21, 20223 min read
The team at ABL Group 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 ABL Group, but do you know our team? Sunjung Kim, Dpt. Country Manager […]
Maritime’s role on the road to Greece’s 2GW of Offshore Wind

Maritime’s role on the road to Greece’s 2GW of Offshore Wind

May 29, 20227 min read
Greece’s plans towards net-zero are gathering pace, and it’s the country’s high winds taking center stage in national plans to decarbonise. With 4GW of already installed onshore wind capacity, the government has set their sights on developing a utility-scale offshore wind market, recognising massive potential to be reaped from harnessing the abundant wind resource out […]
Carolina Long Bay Auction: What we anticipate during the May 11th Lease Auction

Carolina Long Bay Auction: What we anticipate during the May 11th Lease Auction

Apr 21, 20223 min read
The Carolina Long Bay offshore wind energy lease auction will be the second lease under the current administration – and follows on the heels of the wildly successful New York Bight lease auction in February. The May 11th timing of the auction was chosen by the Biden administration to get ahead of the 10-year moratorium […]
John MacAskill Standing for RenewableUK Board Election

John MacAskill Standing for RenewableUK Board Election

Apr 19, 20227 min read
Our John MacAskill is standing for election to the RenewableUK board. He lays out his case in this article.
Meet the team: Jens Riechert | OWC

Meet the team: Jens Riechert | OWC

Apr 5, 20223 min read
The team at ABL Group 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 ABL Group, but do you know our team? Jens Riechert, Snr. Consultant for […]

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