Ferrovial awarded contract to build and assemble floating offshore wind platform in the Basque Country


Proyecto eólica flotante SAITEC
  • This contract is the company’s first move in the floating wind energy business
  • The work is scheduled to be completed by 2022
  • The project will reduce atmospheric CO2 emissions, enhancing the company’s commitment to sustainability

Ferrovial has been awarded a contract to build and assemble a floating prestressed concrete platform to be installed two miles off the coast of Vizcaya, in the Spanish Basque Country. This is the company’s first project for the offshore wind industry.

The contract covers site preparation work, producing the precast components, supplying steel panels and assembling the entire platform, as well as managing the supply chain.

The 30 by 64-meter platform will be completed in 14 months. The platform, with the wind turbine, will be towed to its tether point in a test area two miles off the coast, where the sea is 85 meters deep. The platform will be tethered to the sea bed using hybrid lines.

The contract is part of the DemoSATH project, headed by RWE Renewables and Saitec Offshore Technologies, whose goal is to test affordable new means of installing and operating offshore wind farms in deepwater locations. SATH technology consists of twin hulls made of modular precast concrete components that are subsequently braced. The floating platform swings around a single tether point depending on the direction of the wind and waves. The objective of the project is to compile data and obtain real-world knowledge about the construction, operation and maintenance of the unit.

Once the project is complete, it will become Spain’s first grid-connected multi-megawatt floating offshore wind turbine. It will generate enough electricity to power 2,000 homes and will avoid the emission of 5,100 tons of CO2 into the atmosphere. This initiative enhances Ferrovial’s commitment to sustainability, which has made it an industry leader in this dimension.


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