X1 Wind has received a DNV statement of compliance for the basic design of its X100 pre-commercial floating offshore wind platform. The assessment was carried out under DNV-SE-0442 for certification of floating wind turbines, providing an independent confirmation that the platform design meets internationally recognised engineering and safety requirements and that the core design approach is suitable for further certification steps.

 

What DNV Reviewed and the Limits It Tested Against

 

X1 Wind says the basic design approval confirms the platform’s structural design, stability and hydrodynamic behaviour are within safe and predictable limits, including response under extreme metocean conditions such as 500-year waves, wind and currents. Under the scope of the review, DNV verified the calculation methodologies used by X1 Wind and evaluated the platform design elements that govern offshore performance, including station-keeping, the weathervaning structure and turbine integration, with an intended service life of 25 years.

 

Why This Matters for Scaling to Larger Units

 

Basic design approval is positioned as a speed lever for moving from a pilot platform to commercial scale, because it establishes an accepted calculation and verification foundation that can be applied to scaled designs. X1 Wind says it already has contracts in place for the larger X150 platform, intended to carry 15 to 20 MW turbines for projects in Europe and Asia, and that the X150 will build on the same approved methodology used for X100.

 

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Pilot Deployment at PLEMCAT and the NextFloat Programme

 

The X100 platform is scheduled for deployment at the PLEMCAT test site in the Mediterranean under the NextFloat Project led by Technip Energies and X1 Wind. The programme is described as EU-funded and focused on accelerating floating wind industrialisation and lowering levelised cost of energy, with additional support referenced from private capital and related initiatives including NextFloat+, the French state-backed PAREF programme under France 2030 operated by ADEME, and the Spanish RenMarinas programme.

 

Design Window and the Efficiency Claim

 

X100 is designed to host turbines in the 6 to 10 MW range depending on site conditions and is expected to operate offshore for several years to generate data supporting final prototype certification and commercial deployment. X1 Wind positions its concept as combining tension-leg stability and low environmental impact with semi-submersible cost efficiency, and claims the design enables a primary steel platform around 1,500 tonnes, representing an estimated 30 to 50 percent weight reduction versus traditional steel floaters used in comparable European pre-commercial projects.