BayWa r.e. has achieved concept certification from DNV for its BayFloat floating wind semi-submersible concrete substructure and mooring system. This design was validated using the 22 MW generic reference turbine “IEA-22-280-RWT”.
The certification process adhered to DNV-SE-0422:2021-09 “Certification of floating wind turbines” scheme, including DNV-ST-0119:2021-06 “Floating wind turbine structures” as the main standard, according to BayWa r.e.
The assessment concluded that the BayFloat concrete floating substructure and mooring system design is feasible for development and meets the requirements for DNV concept-level certification.
BayWa r.e. partnered with engineering firm Ramboll on the design and certification process, receiving design services, expert insights, and engineering advice from Ramboll.
“This milestone is a testament to the hard work and dedication of our team and our engineering consultant, Ramboll, who supported us in progressing our original patented concept through its development and optimization,” said Ricardo Rocha, Technical Director Offshore Wind at BayWa r.e.
“The certification not only validates the maturity of BayWa r.e.’s proprietary floating wind turbine substructure concept, BayFloat, but also demonstrates its readiness for industrial-scale deployment. It further underscores BayFloat’s potential for project-specific optimization, enabling adaptation to existing port infrastructure and locally available supply chains cost-effectively.”
The company stated that throughout the design process for the concrete floating foundation, BayWa r.e. considered industrialized fabrication, assembly, project execution, and operations and maintenance (O&M) in future large floating wind farms.
The next step involves building and monitoring a reduced-scale version of the substructure to demonstrate the design’s constructability and industrialization, addressing identified challenges, and preparing for large-scale deployment, according to BayWa r.e.
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