SEA TC – R&D for Marine Renewable Energy

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Transformator-connector for Marine Renewable Energies

Allow to carry energy under water

Starting in 2014, for a period of 3 years, SEA TC is a project accompanied by ADEME under Ecology and Energy Transition Program of the Investments for the Future Program.

seatc transformeur-connecteur pour les EMR
The SeaTC concept breaks up with existing technological concepts of subsea connection by combining two different functions of the conversion process in one device: connection – through induction – and voltage stepping up. The aim is to cut connection costs by two-thirds, to maintain high levels of energy efficiency and maintenance during a wider range of weather conditions. This project aims to propose an industrial solution in line with French pilot farms schedule.

puce corrodysFinancial backers, coordinators, partners

ADEME Agence de l'environnement et de la maîtrise de l'énergieLabel Investissements d'avenirADEME – Investments for the Future Program
The project budget of SEA TC is 3,8 million euros.
The Investments for the Future Program of ADEME support the project with 1,8 millions euros.

MPrime Innovation coordinateur du projet SEATCMPrime Innovation is in charge of the project, stakeholders are:DCNS, ACTIVETECH, G2Elab et CORRODYS.

DCNS partenaire du programme de R&D SEATCActivetech partenaire du projet SEATC

G2Elab partenaire du projet SEATCCorrodys partenaire du projet SEATC

puce corrodysObjective

  • Reducing connexion costs
  • Concerving high level of performance


Corrodys will intervene into the project to develop the knowledge about corrosion and biofouling of magnetic materials (and other materials). This work will be realized in the form of support and advice in the design, with the proposed protection systems against corrosion and biofouling. Then testing phase of development will be carried out to validate the proposed solutions.

puce corrodysProject stages

The project comprises two main phases, broken down into five stages, to address risk issues progressively:

Phase 1

In the first phase a low-capacity prototype – 100kW – will be built and tested. This phase will validate the proposed connection design as well as bio-fouling and corrosion protection protocols.

Phase 2

In the second phase a 2MW demonstrator will be designed, built and tank-tested –the basin will reproduce real-life environmental conditions. The same unit will then be tested at sea. This phase will validate the electrical performance of the configuration and installation methods, leading to a solution that can be ramped up to an industrial scale.

Learn more about the SEA TC project

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