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German utility RWE Renewables will fund a pilot project involving the development of an innovative floating offshore wind energy technology off the Basque Coast.

RWE Renewables is partnering with Saitec Offshore Technologies to develop a 2MW turbine which will be commissioned in autumn 2021.

The pilot DEmoSATH will be based on a twin-hull made of modularly prefabricated and subsequently braced concrete elements. The float can align itself around a single point of mooring according to the wind and wave direction.

RWE and Saitec will over a period of three to five years collect data and gain real-life knowledge from the construction, operation and maintenance of the unit.

The pilot will be followed by a two-year operating phase.

The plant is expected to go into operation in the third quarter of 2021. The electricity generated during the project will be fed into the Spanish power grid.

RWE Renewables CEO Anja-Isabel Dotzenrath declares, ”We see great potential for floating offshore wind energy farms worldwide. Especially in countries with deeper coastal waters, this opens up attractive opportunities. With DemoSATH, we are gaining experience with an innovative concrete-based platform technology that will help us to position ourselves in this growth market.”

Saitec Offshore’s COO Luis González-Pinto states: “The potentiality of SATH to reduce the cost of floating wind is immense. Now is time to build and operate this floating wind turbine and widen this exciting market.”

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