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

Wind Consultancy

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.
Solar PV

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.
Photo of energy storage equipment

Energy Storage

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

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.
Floating Solar

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.
Hydrogen

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.

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

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.
Technical Studies

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.
Owner’s Engineering

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.
Technical Due Diligence

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.
Engineering

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.
Geoscience

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.

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.

​Find out more

The Engineering Consultants. ​

Independent engineering, design and analysis consultants working across marine markets: renewables, oil & gas, maritime, small craft and defence, and infrastructure. ​

​Find out more

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

Offshore Wind 2024: Reflections from the Helm (Part 2)

Offshore Wind 2024: Reflections from the Helm (Part 2)

Dec 19, 20245 min read
As promised here is Part 2 of Offshore Wind 2024: Reflections from the Helm by Global Managing Director, Renewables, John MacAskill […]
Offshore Wind Market Study & Project Development

Offshore Wind Market Study & Project Development

Dec 18, 20248 min read
OWC and China Energy Europe Renewable Energy Holding S.A. conducted a joint technical market study on the European offshore wind sector outlook.
Ian Bonnon Award Winner - Aimee Besant

Celebrating Success: Aimee Besant Wins the 2024 Ian Bonnon Award

Dec 13, 20243 min read
The 2024 award was presented by Ali Bonnon, Ian’s daughter, who was thrilled to name Aimee Besant, Head of Energy Storage, as this year’s winner […]
OWC Shines on the Global Stage: Featured in the 2024 Global Offshore Wind Report

OWC Shines on the Global Stage: Featured in the 2024 Global Offshore Wind Report

Dec 11, 20247 min read
OWC has once again demonstrated its industry leadership by being featured prominently in the highly anticipated 2024 Global Offshore Wind Report by reNEWS, sponsored by LSP Renewables […]
Offshore Wind Turbulent Economic Headwinds

Offshore Wind This Year: Reflections from the Helm

Dec 11, 20245 min read
We recently sat down with Global Managing Director, Renewables, John MacAskill who took us on a journey of his year in review regarding offshore wind […]
Jessica Warwick - OWC London

Meet the Team: Jessica Warwick | OWC London

Dec 3, 20243 min read
At OWC, we aim to support continued colleague development. This week, we meet Jessica Warwick – recently promoted to tendering manager!

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