The DemoSATH project has achieved a significant milestone by successfully installing its 2MW innovative floating wind platform demonstrator in open sea waters. The operation, carried out by the Windstaller Alliance, used their anchor handling vessel, the Normand Sapphire, along with local tugboats, to tow DemoSATH from the construction site in the Port of Bilbao to the BiMEP test site, located 11 miles away.

Once at the 85m deep BIMEP site, 2 miles offshore in the Cantabrian Sea, the hook-up operation connected the six pre-laid mooring lines to the structure’s single-point mooring turret.

Works in the BiMEP area are ongoing to finalise the dynamic and static cable connection and pull-in to the DemoSATH’s turret, enabling the energy export to the onshore electrical grid. DemoSATH is expected to generate the equivalent electricity needs of 2,000 Spanish households annually.

Completing this floating installation marks a major step forward in the project’s mission to harness wind power and generate sustainable electricity.

David Carrascosa, Chief Operations Officer at Saitec Offshore Technologies: “This milestone in the installation of the DemoSATH floating offshore wind project validates the years of steady commitment, resilience, and teamwork. Along the journey we have overcome some challenges that now serve as valuable lessons for future projects. We are proud of the achievements of our team and the combined efforts of our collaborators. It’s thrilling to witness the DemoSATH project set sail, playing an integral role in the progression of renewable energy.”

Sven Utermöhlen, CEO of RWE Offshore Wind: “The offshore installation of the DemoSATH project is an important milestone on our way to the commissioning of RWE’s second floating demonstration project. We see great potential for floating wind farms around the world as they unlock opportunities in countries with deeper coastal waters. As a floating pioneer, the firsthand learnings from our demonstration projects are key to us optimising our upcoming commercial scale projects and securing their safe delivery.”

Kazumi Ogura, Executive Officer, Renewable Energy Division, The Kansai Electric Power Co., Inc.: “We take great pride in our achievement of pioneering a new frontier in offshore wind power generation by installing the innovative floating wind platform demonstrator, thanks to major contribution from our partners. We will continue to prioritise safety and work together as a team to advance the pioneering DemoSATH project. Through DemoSATH project, we remain committed to continuous learning from the project and harnessing this knowledge to make progress towards achieving a zero-carbon society.”

During the 2-year operational period at the BiMEP site, the SATH technology for floating offshore wind developed by Saitec Offshore Technologies will be tested, and the tasks related to its operation and maintenance requirements will be analysed. The project also aims to gain deeper insights into the metocean challenges in open sea, particularly in the harsh conditions of the Cantabrian Sea. Additionally, data collection will provide valuable knowledge regarding the coexistence of the platform with the environment and other maritime activities.

The DemoSATH project benefits from the combination of Saitec Offshore Technologies’ engineering design skills, RWE’s expertise in the offshore wind industry and the vast experience brought by Kansai Electric Power (KEPCO), who joined the project earlier this year. In addition, the capabilities of multiple other companies involved and the institutional support from the Spanish Centre for the Development of Industrial Technology (CDTI) and the Basque Government institutions EVE and SPRI have ensured the project’s success.

With the unit’s installation now complete, the DemoSATH project will enter a period of commissioning, followed by the operational phase when electricity generation will commence. The floating wind platform has been designed and equipped to harness the power of the wind in deep coastal waters and convert it into clean, renewable energy. This pioneering technology holds immense promise for reducing carbon emissions and contributing to the renewable energy goals of Spain and other countries worldwide.

Source: https://www.rwe.com/
Image source: Courtesy of RWE

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