Sceirde Rocks Windfarm completes ocean surveys – 19th December 2023

  • Sceirde Rocks Windfarm completed geophysical and metocean surveys to help progress to next stage of development.
  • Offshore wind project off the coast of County Galway is scheduled to begin generating renewable electricity by 2030.

The Sceirde Rocks Windfarm, a 450 MW offshore wind project off the west coast of Ireland, has successfully completed geophysical and metocean surveys that will inform its forthcoming planning application.

The surveys help provide a clearer understanding of the seabed and the prevailing sea conditions of the proposed development area. Geophysical surveys map the seabed, while metocean surveys are used to assess water quality, wave behaviour and the strength and direction of sea currents.

The work was conducted between September and early November 2023 using purpose-built survey vessels operated by Green Rebel, a Cork and Limerick-based offshore survey service company. Corio also worked with Green Rebel and other surveying companies to complete geotechnical and benthic surveys that will inform the environmental impact assessment of the project.

Tim Coffey, Project Director of the Sceirde Rocks Windfarm, said: “We are proud to partner with a local Irish company to deliver the high-quality data required for the design and development of the Sceirde Rocks project’s planning application. We are committed to supporting the Irish supply chain, and met recently with 50 national and local businesses recently to outline the opportunities that will be available for companies during the construction and operation of the project.

“When complete, the Sceirde Rocks Windfarm will make a significant contribution to reducing Ireland’s reliance on fossil fuels, with the volume of CO2 emissions avoided roughly equivalent to taking 180,000 petrol cars off the road. The project will also generate employment opportunities and provide significant investment for the local community for years to come.”

Kieran Ivers, CEO of Green Rebel, added: “These surveys will play a key role in informing the next stage of the Sceirde Rocks Windfarm, providing the data needed to finalise engineering plans and reduce environmental impact. We were delighted to partner with Corio Generation on this project and we look forward to working together in the future.”

In May 2023, Ireland’s energy grid operator EirGrid and the Department of the Environment, Climate and Communications confirmed that Sceirde Rocks was one

of four wind farms that were successful under the country’s first Offshore Renewable Electricity Support Scheme (ORESS 1). The development supports Ireland’s commitments under the Climate Action Plan 2022, and will provide long-term local employment, economic development and business opportunities.

The proposed 450 MW development is located between five and 12 km off the coast of Carna, Connemara, County Galway, and will generate enough renewable electricity to meet the needs of 350,000 homes. Construction is expected to take place between 2026 and 2029, delivering renewable energy by 2030.

The Sceirde Rocks Windfarm is being developed by Corio Generation, a portfolio company of Macquarie Asset Management, through the Irish and Gaeltacht based company Fuinneamh Sceirde Teoranta, which is a joint venture by Corio and global infrastructure investor Ontario Teachers’ Pension Plan. For more information visit Sceirde Rocks Windfarm | Powering Irish Communities

About Corio Generation 

Corio Generation is a specialist offshore wind business dedicated to harnessing renewable energy worldwide. With a unique blend of sector-leading expertise and deep access to long-term capital, we work closely with our partners in the creation and management of projects from origination, development and construction, and into operations.

Corio has one of the world’s largest offshore wind project portfolios with more than 30 GW in development across Europe, Asia-Pacific and the Americas at various stages of development. Our portfolio spans established and emerging markets, as well as floating and fixed-foundation technologies. These next generation offshore wind projects will help form the backbone of the net-zero global energy system while meeting the energy needs of communities and corporate offtakers sustainably, reliably, safely and responsibly.

Corio Generation is a portfolio company of Macquarie Asset Management operating on a standalone basis. For more information visit

About Green Rebel

Green Rebel is headquartered in Cork and operates a fleet of vessels and aircraft to map vast areas of the ocean. It has a team of scientists, chemists, engineers, ecologists, vessel crew and support staff across multiple locations in Cork and Limerick. Green Rebel provides the offshore wind and other sectors an end-to-end set of data services that extend from acquisition, processing, interpretations and reporting, with their fleet of purpose-built vessels, aircraft, floating LiDAR band in-house team of scientists and industry experts.

Media contact

Ian Green, Senior Communications Manager (EMEA)

Corio Generation Phone: +44 7523 268314 Email: