R&D at GEPS Techno: more than a strategy, an art of entrepreneurship and management

Research and Development is a historically important part of GEPS Techno’s activity.
It is based on 3 “floats” ensuring the stability of the company:
  1. Creativity at the heart of the design office
  2. Expertise rooted in reality
  3. From the digital model to the launched prototype

Creativity: “The art of freeing ourselves from our fears”

All members of the GEPS Techno staff have been trained in creativity technics. These are based on the functioning of the collective brain, but also on problem solving methods and a new kind of participative management culture. These methods, never seen before in companies, form the basis of the products created by GEPS Techno: from wave buoys to the energized dike, including the stabilizer with energy recovery and many other concepts.

Expertise anchored in reality

GEPS Techno’s R&D is based on :


  • the robustness of scientific methods, guaranteed by our doctoral engineers
  • the quality of our internally developed tools, results of the 3 CIFRE theses conducted since 2013
  • the numerical modeling methods coupled with solid experiments in tanks or test benches
  • the industrial development of our solutions, by the R&D teams who designed, produced, assembled, commissioned and optimized them

From digital model to prototype

GEPS Techno’s R&D has based its originality and credibility on the systematic realization by :
  • the realization of a reduced scale model (1/25 to 1/15)
  • the laboratory tests of this model: wave basin, oscillating bench, hexapod, wave channel and/or current…
  • the realization of a prototype on a significant scale (1 to 1/4)
  • the long-term tests at sea in real conditions including a performance phase and an endurance phase.
Platefome Hybride houlomotrice Autonome Moyenne Puissance

Our R&D experience over the last 10 years, has resulted in the complete experimentation of 6 prototypes from 4 to 250 tons. GEPS Techno has validated the relevance of its approach by the ability to quickly access markets thanks to exclusive, innovative, often breakthrough and “Sea Proven” technologies.

A savoir-faire made available to our customers and partners

In parallel to the commercialization of solutions resulting from this R&D, GEPS Techno relies on the experience acquired to support its partners and customers in the development of their own solutions. Startups, ETIs or large groups, all benefit from this know-how to advance more efficiently in their projects, especially when these projects join the DNA of GEPS Techno: the sea and ecological transition.


Today, the products resulting from this R&D are mature, robust, high-performance and competitive and are gaining market share on a daily basis.

Tomorrow, prototypes such as WAVEGEM, which are in the process of finalizing their test campaigns, are already the subject of feasibility studies on commercial applications.

The day after tomorrow, ongoing developments will give rise to new prototypes (3 in 2021). These prototypes will be tested at sea for 12 or 24 months, before entering their pre-industrialization phase.

Then, GEPS Techno is already planning new concepts. These are the subject of preliminary studies in order to validate the minimum criteria of technical performance, industrial feasibility and addressability to the market, before entering the prototyping phase.

Afterwards, new applications and new needs will appear and Geps Techno, in a permanent state of watch, will implement the wheels of creativity to launch new development cycles.


GEPS Techno’s R&D approach can be summed up as a continuous loop process, fuelled by a constant technological watch, motivated by an unlimited appetite for innovation and driven by a power of creativity constantly maintained by the wealth of human resources of the Geps Techno team.

Our R&D projects

The PMH program validated the wave energy conversion system. Thanks to the correlation of the results of experiments in real conditions (both on a buoy and on a boat) with the results of tank tests with a 1:4 scale wave buoy prototype and the results of a numerical model.

How does it work?

The buoy is half filled with water which circulates inside in a closed circuit through several compartments. The swell movements transmitted to the float allow the liquid to circulate from one compartment to another, thus generating kinetic energy in the central structure (effect of the “communicating vessels”).

A turbine, placed in the central structure, captures this kinetic energy and transforms it into electricity.

Bouée à énergie houlomotrice - OCTOPUSEA

PH4S is the first marine hybrid prototype to be tested at sea. The main objective of the PH4S program is to demonstrate the feasibility of combining sources and reducing the intermittency of power generation compared to a single source solution.

Main features :

  • Customized product based on offshore proven components
  • Energy mix (type and size of generators, type and size of sensors) according to the energy consumption profile and the characteristics of the mooring site
  • Limiting the intermittency of renewable energies thanks to the combination of sources and the integrated storage system
  • Specific mooring for easy installation and connection

Technological locks :

  • Combination of different energy sources thanks to electronic, hydrodynamic or electrical solutions
  • Control laws to optimize overall energy production

Improve both power and stabilization :

Based on the PMH project, which demonstrated WEC technology in the low-power range, the IHES project should make it possible to improve the system’s performance to provide additional added value for customers.


Objectives of the program :

  • Optimize the performance of energy recovery in stabilization mode through 2 applications: a ship stabilizer and an anchored platform.
  • Validate CFD modeling from tank trials with 1:10 scale models and real data from sea trials of the ship and platform prototypes.

1 Technology, 2 Applications :

GSIRE® – Energized stabilizer for ships

  • Development of numerical models to simulate the behavior of the aircraft (is studying for a PhD)
  • Optimization of stabilization performance, in particular to increase the range of roll period at high damping rates
  • Improvement of the regulation algorithms on the stabilization mode
  • Ensure a security system in case of blackout

WAVEPEARL® – Energy Autonomous Stabilized Platform

  • Development of the electrical conversion chain and a hybrid storage system (supercapacitors and batteries) and associated regulations
  • Optimization of power generation

TIM: Toward an Industrialized single point Mooring system :

TIM is a European project, in collaboration with IFREMER, Eolink and Tension Technology International, funded under the OCEAN ERA-NET 2 cofund by the Bretagne, Pays de la Loire regions and Scottish Enterprise.

Elaborated from the anchoring concept developed by Eolink for its wind turbine float, the project consists in :

  1. 1. Numerically designing the system in order to be able to deploy it on a large scale
  2. 2. Digitally validate its performance for WAVEGEM or high power floating EMR systems (>MW)
  3. 3. Trial in real conditions the system for WAVEPEARL

Objective :

  • To develop a standardised offshore mooring system that permits the dynamic movement of a wave or tidal energy converter and supplies the generated electrical power to a fixed point on the seabed
Photo système TIM R&D GEPS Techno