Floating tidal energy

Predictable electricity from marine currents

BlueNRG designs a floating vertical-axis tidal turbine to convert marine currents into decarbonized, predictable and competitive electricity.

The technology targets a record 4 MW unit power with design-to-cost engineering, simplified offshore operations and sea-level access to electromechanical components.

4 MWtarget unit power
Design to costarchitecture built around CAPEX reduction
France & UKdemonstrator site options under review

BlueNRG

Tidal energy has high system value

Energy systems are under pressure. Electrification, industrial demand and security of supply make sovereign and independent low-carbon electricity increasingly necessary. Tidal stream energy is predictable, independent from weather and complementary to solar and wind.

Predictable output

Marine currents can be forecast years in advance, supporting grid planning and bankability.

Complementary profile

Tidal generation follows a different production profile from solar and wind and helps reduce system stress.

Sovereign electricity

Local marine resources can strengthen independent, low-carbon electricity production for coastal countries.

System value

Predictability reduces dependence on firming resources and increases the value of each MWh produced.

Technology

A floating vertical-axis architecture designed for scale

BlueNRG develops a modular floating tidal turbine. The vertical-axis architecture is designed to increase unit power, simplify installation and maintenance, and reduce project cost from the design stage.

BlueNRG floating tidal turbine design
BlueNRG design

Floating tidal turbine

A floating structure positioned at sea level, with turbines operating below the surface where marine currents are captured.

Vertical axis

A modular multi-stage turbine architecture, independent from the direction of the current and adaptable to site depth.

Sea-level access

Electromechanical components are designed to remain accessible at sea level, simplifying inspection and maintenance.

Design to cost

Architecture, installation and operations are designed from the start to minimize CAPEX and OPEX.

Competitiveness

Record power and lower CAPEX must work together

The drastic reduction of CAPEX through design-to-cost, combined with a record 4 MW target unit power, is intended to reach the most competitive electricity costs in tidal stream energy. The objective is not only technical performance, but a bankable renewable energy product.

Market

A European market entering a structured phase

France and the United Kingdom are two priority markets for tidal stream energy. The timing is driven by energy sovereignty, rising electricity needs and the need for predictable renewable generation.

France

250 MW under the PPE framework

The French PPE includes a first commercial tidal tender of 250 MW at Raz-Blanchard, with a target award by 2030.

United Kingdom

CfD framework for tidal stream

The UK market benefits from Contracts for Difference allocation rounds that include tidal stream projects, subject to auction rules and project eligibility.

Floating tidal turbines at sea

Demonstrator

A first offshore demonstrator before commercial scale

BlueNRG is preparing a first offshore demonstrator in real operating conditions. Site options are under review in France and in the UK. The objective is to validate the design, offshore operations, performance and certification pathway before moving to the 4 MW commercial range.

Engineering

Done

Hydrodynamic studies, structural design and risk analysis.

Testing

Done

Basin testing, numerical simulation and validation of the floating architecture.

Certification

To be completed

Independent review of the design and key risks.

Offshore demonstrator

To be completed

First demonstrator in real marine conditions before commercial deployment.

Company

A French deeptech company focused on tidal power

BlueNRG is building a product-oriented approach: a powerful, simple and maintainable tidal turbine for energy developers, public tenders and coastal markets. The company combines technical invention, industrial execution and financing experience.

Flow visualization around BlueNRG turbine modules
Flow visualization

Team

Founders

Laurent Hubard

Laurent Hubard

CEO & co-founder

Laurent Hubard is CEO and co-founder of BlueNRG. A deeptech entrepreneur, he has solid experience structuring and financing innovative industrial projects. He founded TIAMAT, specialized in sodium-ion batteries, and led its first financing and industrialization stages. An ESPCI engineer and IFP-EN energy economist, he brings BlueNRG a product, market and financing-driven approach. He leads strategy, partnerships and fundraising.

Slawomir Klukowski

Slawomir Klukowski

CTO & co-founder

Slawomir Klukowski is CTO and co-founder of BlueNRG. A mechanical engineer and inventor, he has long experience in industrial R&D and energy systems design. He has filed 16 patents and developed several prototypes for marine energy conversion. His work on marine currents and waves has been validated through basin tests at the University of Plymouth. At BlueNRG, he leads technical development, patents, design validation and technical partners.

BlueNRG

Contact

BlueNRG is preparing its demonstrator and the next financing steps. For industrial, institutional or investment discussions, contact the team directly.